Infrared conferencing method and system, and related device

Abstract

Disclosed in the present application are an infrared conferencing method and system, and a related device. The method comprises: acquiring a first audio signal from a first infrared conferencing unit by means of a first infrared transceiver, wherein the first infrared transceiver is one or more of K1 infrared transceivers, or one or more of K2 infrared transceivers; superimposing, onto the first audio signal, K3 signals corresponding to K3 channels, so as to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers among the K1 infrared transceivers other than the first infrared transceiver, or channels corresponding to infrared transceivers among the K2 infrared transceivers other than the first infrared transceiver; if the first infrared transceiver is one or more of the K1 infrared transceivers, sending the second audio signal to a master conferencing host; if the first infrared transceiver is one or more of the K2 infrared transceivers, sending the second audio signal to a slave conferencing host; and sending the second audio signal to a sound amplification apparatus by means of the master conferencing host.

Description

Infrared conferencing method, system and related equipment Technical Field

[0001] The present application relates to the technical field of digital conference system design, and in particular to an infrared conference method, system and related equipment. Background Art

[0002] In large-scale conferences, since the transmission and reception distance of each transceiver is limited, in order to cover a larger conference area, it is generally necessary to set up many transceivers in one conference venue. When a conference participant speaks, the transceiver receives the uplink audio signal from the conference participant's conference unit, and then superimposes the uplink signals of all transceivers (regardless of whether each transceiver receives the uplink audio signal from the conference unit) and sends them to the conference host, which then sends them to the sound reinforcement device for playback.

[0003] However, the above method uses the signal obtained by superimposing the signals of all transceivers as the audio signal played by the sound reinforcement device. Since the noise of the uplink channels of all transceivers is also superimposed synchronously when the signals are superimposed, the signal-to-noise ratio of the superimposed audio signal is smaller, thereby reducing the quality of the audio signal and affecting the playback effect.

[0004] Summary of the Invention

[0005] The present application provides an infrared conferencing method, system and related equipment, which improve the quality of audio signals by increasing the signal-to-noise ratio of audio signals and ensure the playback effect.

[0006] In a first aspect, the present application provides an infrared conferencing method, which is applied to an infrared conferencing controller, the infrared conferencing controller being located in an infrared conferencing system, the infrared conferencing system further comprising a master conferencing host, a slave conferencing host, K infrared transceivers, and M infrared conferencing units, the master conferencing host corresponding to K1 infrared transceivers, the slave conferencing host corresponding to K2 infrared transceivers, and K1 and K2 being both less than K; the method comprising:

[0007] Obtaining a first audio signal from a first infrared conferencing unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units;

[0008] Superimposing K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0009] If the first infrared transceiver is one or more of the K1 infrared transceivers, a second audio signal is sent to the main conference host;

[0010] If the first infrared transceiver is one or more of the K2 infrared transceivers, a second audio signal is sent to the slave conference host;

[0011] The second audio signal is sent to the sound reinforcement device through the main conference host.

[0012] In a second aspect, the present application provides an infrared conferencing method, which is applied to an infrared conferencing system. The infrared conferencing system includes a master conferencing host, a slave conferencing host, an infrared conferencing controller, K infrared transceivers, and M infrared conferencing units. The master conferencing host corresponds to K1 infrared transceivers, and the slave conferencing host corresponds to K2 infrared transceivers, where K1 and K2 are both less than K. The method includes:

[0013] The first infrared transceiver receives a first audio signal from a first infrared conferencing unit, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units;

[0014] The infrared conference controller receives the first audio signal from the first infrared transceiver;

[0015] The infrared conference controller superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0016] If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends a second audio signal to the main conference host;

[0017] If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends a second audio signal to the slave conference host;

[0018] The main conference host sends a second audio signal to the sound reinforcement device.

[0019] In a third aspect, the present application provides an infrared conference controller, which is located in an infrared conference system. The infrared conference system also includes a master conference host, a slave conference host, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers. K1 and K2 are both less than K. The infrared conference controller includes a transceiver unit and a processing unit.

[0020] a transceiver unit, configured to obtain a first audio signal from a first infrared conferencing unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units;

[0021] a processing unit, configured to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0022] If the first infrared transceiver is one or more of the K1 infrared transceivers, the transceiver unit is further configured to send a second audio signal to the main conference host;

[0023] If the first infrared transceiver is one or more of the K2 infrared transceivers, the transceiver unit is further configured to send a second audio signal to the slave conference host;

[0024] The transceiver unit is further used to send a second audio signal to the sound reinforcement device through the main conference host.

[0025] In a fourth aspect, the present application provides an infrared conference system, the infrared conference system including a master conference host, a slave conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units, the master conference host corresponding to K1 infrared transceivers, the slave conference host corresponding to K2 infrared transceivers, K1 and K2 are both less than K;

[0026] a first infrared transceiver, configured to receive a first audio signal from a first infrared conferencing unit, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units;

[0027] an infrared conference controller, configured to receive a first audio signal from the first infrared transceiver;

[0028] The infrared conference controller is further configured to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0029] If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is further configured to send a second audio signal to the main conference host;

[0030] If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller is further configured to send a second audio signal to the slave conference host;

[0031] The main conference host is used to send a second audio signal to the sound reinforcement device.

[0032] In a fifth aspect, the present application provides an infrared conferencing method, which is applied to a master conference host, the master conference host being located in an infrared conferencing system, the infrared conferencing system further comprising a slave conference host, an infrared conferencing controller, K infrared transceivers, and M infrared conferencing units, the master conference host corresponding to K1 infrared transceivers, the slave conference host corresponding to K2 infrared transceivers, and K1 and K2 being both less than K; the method comprising:

[0033] Obtaining a second audio signal, wherein the second audio signal is received from the infrared conference controller, or is received from the infrared conference controller via the conference host, the second audio signal is obtained by superimposing K3 signals corresponding to K3 channels with the first audio signal via the infrared conference controller, the first audio signal is received by the infrared conference controller from the first infrared conference unit via the first infrared transceiver, the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0034] A second audio signal is sent to the sound reinforcement device.

[0035] In a sixth aspect, the present application provides an infrared conferencing method, which is applied to a slave conference host, the slave conference host being located in an infrared conferencing system, the infrared conferencing system further comprising a master conference host, an infrared conference controller, K infrared transceivers, and M infrared conferencing units, the master conference host corresponding to K1 infrared transceivers, the slave conference host corresponding to K2 infrared transceivers, and K1 and K2 being both less than K; the method comprising:

[0036] receiving a second audio signal from the infrared conference controller, wherein the second audio signal is obtained by superimposing K3 signals corresponding to K3 channels with the first audio signal by the infrared conference controller, the first audio signal is received by the infrared conference controller from the first infrared conference unit via the first infrared transceiver, the first infrared transceiver is one or more of the K1 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, and the K3 channels are channels corresponding to infrared transceivers in the K1 infrared transceivers other than the first infrared transceiver;

[0037] The second audio signal is sent to the main conference host, so that the main conference host sends the second audio signal to the sound reinforcement device.

[0038] In a seventh aspect, the present application provides a master conference host, which is located in an infrared conference system. The infrared conference system also includes a slave conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where K1 and K2 are both less than K. The master conference host includes a first transceiver unit and a first processing unit.

[0039] a first transceiver unit, configured to obtain a second audio signal, wherein the second audio signal is received from the infrared conference controller, or is received from the infrared conference controller via the conference host, the second audio signal is obtained by superimposing K3 signals corresponding to K3 channels with the first audio signal via the infrared conference controller, the first audio signal is received by the infrared conference controller from the first infrared conference unit via the first infrared transceiver, the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0040] The first processing unit is configured to control the first transceiver unit to send a second audio signal to the sound reinforcement device.

[0041] In an eighth aspect, the present application provides a slave conference host, the slave conference host being located in an infrared conference system, the infrared conference system further comprising a master conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units, the master conference host corresponding to K1 infrared transceivers, the slave conference host corresponding to K2 infrared transceivers, K1 and K2 both being less than K; the slave conference host comprising: a second transceiver unit and a second processing unit;

[0042] The second transceiver unit is used to receive a second audio signal from the infrared conference controller, wherein the second audio signal is obtained by the infrared conference controller by superimposing K3 signals corresponding to K3 channels with the first audio signal, and the first audio signal is received by the infrared conference controller from the first infrared conference unit through the first infrared transceiver, the first infrared transceiver is one or more of the K1 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, and the K3 channels are channels corresponding to infrared transceivers in the K1 infrared transceivers except the first infrared transceiver.

[0043] The second processing unit is used to control the second transceiver unit to send the second audio signal to the main conference host, so that the main conference host sends the second audio signal to the sound reinforcement device.

[0044] In the ninth aspect, the present application provides an electronic device comprising: a processor and a memory, the processor being connected to the memory, the memory being used to store computer programs, and the processor being used to execute the computer programs stored in the memory, so that the electronic device executes the method of the first aspect, the second aspect, the fifth aspect or the sixth aspect.

[0045] In a tenth aspect, the present application provides a computer-readable storage medium, which stores a computer program, and the computer program enables a computer to execute the method of the first aspect, the second aspect, the fifth aspect or the sixth aspect.

[0046] In the eleventh aspect, the present application provides a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and is computer-operable to enable the computer to execute the method of the first aspect, the second aspect, the fifth aspect or the sixth aspect.

[0047] The implementation of this application has the following beneficial effects:

[0048] First, the infrared conference system of the present application includes a main conference host, a slave conference host, an infrared conference controller, K infrared transceivers and M infrared conference units, and the main conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, K1 and K2 are both less than K; then the infrared conference controller obtains a first audio signal from the first infrared conference unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conference unit is one of the M infrared conference units; then the infrared conference controller K3 signals corresponding to K3 channels are superimposed on the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers. That is, when the first infrared transceiver belongs to the K1 infrared transceivers, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers. Then, the first audio signal and the K3 signals corresponding to the K3 channels are superimposed to obtain a second audio signal. This is equivalent to superimposing the K1 signals (including the first audio signal and K3 signals) of the K1 channel corresponding to the K1 infrared transceivers. This superposition method makes it possible that when calculating the signal-to-noise ratio, the audio signal is the first audio signal, and the noise signal is the noise of the K1 channels. In layman's terms, the signal-to-noise ratio is the ratio of the first audio signal to the noise of the K1 channels. Compared with the existing solution of the ratio of the first audio signal to the noise of the K channels corresponding to the K infrared transceivers, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. Similarly, when the first infrared transceiver belongs to the K2 infrared transceivers, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. When the infrared transceiver is connected, it is similar to the principle that the first infrared transceiver belongs to K2 infrared transceivers, and the signal-to-noise ratio of the second audio signal can also be increased, and the quality of the second audio signal is improved, which is not repeated here; then if the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends the second audio signal to the main conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends the second audio signal to the slave conference host; finally, the main conference host sends the second audio signal to the sound reinforcement device, so that the sound reinforcement device plays the second audio signal, which can ensure the playback effect and conference quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0050] FIG1 is a schematic diagram of an infrared conferencing system provided in an embodiment of the present application;

[0051] FIG2 is a schematic diagram of an infrared conference scenario provided by an embodiment of the present application;

[0052] FIG3 is a flow chart of an infrared conferencing method provided in an embodiment of the present application;

[0053] FIG4 is a flow chart of another infrared conferencing method provided in an embodiment of the present application;

[0054] FIG5 is a schematic diagram of an interaction flow of an infrared conferencing method provided in an embodiment of the present application;

[0055] FIG6 is a schematic diagram of an interaction flow of another infrared conferencing method provided in an embodiment of the present application;

[0056] FIG7 is a block diagram of the functional units of an infrared conference controller provided in an embodiment of the present application;

[0057] FIG8 is a block diagram of the functional units of a main conference host provided in an embodiment of the present application;

[0058] FIG9 is a block diagram of the functional units of a slave conference host provided in an embodiment of the present application;

[0059] FIG10 is a schematic structural diagram of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0060] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0061] The terms "first," "second," "third," and "fourth," etc., in the specification, claims, and drawings of this application are used to distinguish between different objects, not to describe a particular order. In addition, the terms "including," "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or elements is not limited to the listed steps or elements, but may optionally include steps or elements not listed, or may optionally include other steps or elements inherent to the process, method, product, or apparatus.

[0062] References herein to "embodiments" mean that a particular feature, result, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0063] As can be seen from the above background technology, the existing technology makes the signal-to-noise ratio of the audio signal played by the sound reinforcement device very low, which reduces the quality of the audio signal, further affects the playback effect, and cannot guarantee the quality of the conference. Therefore, the present application provides an infrared conferencing method, system and related equipment. In the present application, by grouping K infrared transceivers set up at the venue, the K1 infrared transceivers corresponding to the main conference host are one of the groups, and the K2 infrared transceivers corresponding to the slave conference host are also one of the groups, so that after the infrared conference controller receives the first audio signal, the K3 signals corresponding to the K3 channels are superimposed with the first audio signal to obtain a second audio signal, that is, the signals of multiple channels corresponding to the multiple infrared transceivers (K1 infrared transceivers or K2 infrared transceivers) belonging to the first infrared transceiver (that is, including the first audio signal and K3 signals) are superimposed to obtain the second audio signal, so that the signal-to-noise ratio of the second audio signal obtained in this way is greater than the signal-to-noise ratio of the signal obtained by superimposing K signals of K channels corresponding to K infrared transceivers in the prior art, that is, compared with the prior art, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal, and then the second audio signal is amplified and played to ensure the playback quality and conference quality.

[0064] Refer to FIG1 , which is a schematic diagram of an infrared conferencing system provided in an embodiment of the present application.

[0065] The infrared conference system shown in Figure 1 includes a master conference host, a slave conference host, an infrared conference controller, K infrared transceivers and M infrared conference units; the infrared conference controller establishes a connection with each infrared transceiver, and the infrared conference controller establishes a connection with the master conference host and the slave conference host. The master conference host corresponds to K1 infrared transceivers among the K infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers among the K infrared transceivers. K1 and K2 are both less than K. It should be noted that K1+K2≤K. This application does not make specific restrictions on K, K1, and K2. This application is implemented in Figure 1. The example is mainly explained by taking K1+K2=K as an example; optionally, the infrared conference system shown in Figure 1 may also include a sound amplification device; the number of slave conference hosts can be one or more. When there are multiple slave conference hosts, each slave conference host corresponds to multiple infrared transceivers among the K infrared transceivers, and at this time, the number of multiple infrared transceivers corresponding to each slave conference host is less than K, and the sum of the number of K1 infrared transceivers and the number of multiple infrared transceivers corresponding to each slave conference host is less than or equal to K. The embodiment of Figure 1 of this application is mainly explained by taking one slave conference host as an example.

[0066] First, the infrared conference controller is used to obtain the first audio signal from the first infrared conference unit through the first infrared transceiver. Specifically: when the target object (such as a user, an intelligent robot, etc.) speaks through the first infrared conference unit (one of the M infrared conference units), the first infrared transceiver is used to receive the first audio signal from the first infrared conference unit (at this time, the first audio signal can be in the form of an infrared signal), and then the infrared conference controller is used to receive the first audio signal from the first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers. That is to say, when the target object speaks in the first infrared conference unit, the number of first infrared transceivers that can receive the audio signal of the first infrared conference unit can be one or more, and the corresponding number of first audio signals is one or more.

[0067] Then, the infrared conference controller is used to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver in the K2 infrared transceivers. That is, when the first infrared transceiver is one or more of the K1 infrared transceivers, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers. When the first infrared transceiver is one or more of the K2 infrared transceivers, the K3 channels are the channels corresponding to the infrared transceivers in the K2 infrared transceivers other than the first infrared transceiver. The K3 channels can also be understood as the channels corresponding to the infrared transceivers in the K1 infrared transceiver or the K2 infrared transceivers that failed to receive the first audio signal when the first infrared conference unit was speaking. The K3 signals can then be understood as the noise signals in the channels corresponding to the infrared transceivers in the K1 infrared transceiver or the K2 infrared transceivers that failed to receive the first audio signal. Optionally, the infrared conference controller superimposes the K3 signals corresponding to the K3 channels with the first audio signal to obtain a first sub-audio signal (in this case, in the form of an infrared signal), and then switches the first sub-audio signal to obtain a second audio signal (in this case, in the form of an electrical signal).

[0068] If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is also used to send a second audio signal to the main conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller is also used to send a second audio signal to the slave conference host; finally, the main conference host is used to send the second audio signal to the sound reinforcement device so as to play the second audio signal through the sound reinforcement device.

[0069] In an optional embodiment, if the first infrared transceiver is one or more of K2 infrared transceivers, before the main conference host is used to send the second audio signal to the sound reinforcement device, the slave conference host is also used to send the second audio signal to the main conference host, and then the main conference host sends the second audio signal to the sound reinforcement device.

[0070] In an optional embodiment, while the infrared conference controller is used to obtain the first audio signal from the first infrared conference unit through the first infrared transceiver, the infrared conference controller is also used to obtain the third audio signal from the second infrared conference unit through the second infrared transceiver. Specifically, the second infrared transceiver is used to receive the third audio signal from the second infrared conference unit (one of the M infrared conference units) (the third audio signal can be in the form of an infrared signal), and then the infrared conference controller is also used to receive the third audio signal from the second infrared transceiver, wherein the second infrared transceiver is one or more of the K1 infrared transceivers, or is K2 One or more of the infrared transceivers, and the first infrared transceiver and the second infrared transceiver are different, that is, when the first infrared transceiver is one or more of K1 infrared transceivers, the second infrared transceiver is one or more of K2 infrared transceivers, when the first infrared transceiver is one or more of K2 infrared transceivers, the second infrared transceiver is one or more of K1 infrared transceivers. When the target object speaks in the second infrared conference unit, the number of the second infrared transceivers that can receive the audio signal of the second infrared conference unit can be one or more, and the number of the corresponding third audio signals is also one or more.

[0071] Then, the infrared conference controller is further configured to determine a fourth audio signal based on the third audio signal and the second infrared transceiver, Specifically: the infrared conference controller determines K4 channels based on the second infrared transceiver. For example, if the second infrared transceiver is one or more of the K1 infrared transceivers, then the K4 channels are the channels corresponding to the infrared transceivers other than the second infrared transceiver in the K1 infrared transceivers; if the second infrared transceiver is one or more of the K2 infrared transceivers, then the K4 channels are the channels corresponding to the infrared transceivers other than the second infrared transceiver in the K2 infrared transceivers, that is, the K4 channels are the channels corresponding to the infrared transceivers other than the second infrared transceiver in the K1 infrared transceivers, or the channels corresponding to the infrared transceivers other than the second infrared transceiver in the K2 infrared transceivers; then the infrared conference controller superimposes the K4 signals corresponding to the K4 channels with the third audio signal to obtain a fourth audio signal. Optionally, the infrared conference controller superimposes the K4 signals corresponding to the K4 channels with the third audio signal to obtain a second sub-audio signal (in the form of an infrared signal at this time), and then switches the second sub-audio signal to obtain a fourth audio signal (in the form of an electrical signal at this time).

[0072] Then, if the first infrared transceiver is one or more of the K1 infrared transceivers, when the infrared conference controller sends the second audio signal to the main conference host, the infrared conference controller is used not only to send the second audio signal to the main conference host, but also to send the fourth audio signal to the slave conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, when the infrared conference controller sends the second audio signal to the slave conference host, the infrared conference controller is used not only to send the second audio signal to the slave conference host, but also to send the fourth audio signal to the main conference host.

[0073] Then, in terms of the infrared conference controller sending the second audio signal to the sound reinforcement device through the main conference host, the infrared conference controller is also used to determine the target audio signal based on the first infrared conference unit, the second infrared conference unit, the second audio signal and the fourth audio signal, or the main conference host is also used to determine the target audio signal based on the first infrared conference unit, the second infrared conference unit, the second audio signal and the fourth audio signal. That is to say, the determination of the target audio signal can be performed by the infrared conference controller or the main conference host. This application is not specifically limited. This application mainly takes the step of the main conference host performing the determination of the target audio signal as an example for explanation. Specifically:

[0074] If the first infrared conference unit and the second infrared conference unit are the same, indicating that K infrared transceivers and M infrared conference units are in the same closed space (such as a conference venue, a conference room, etc.), the main conference host determines the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal. Exemplarily, before the main conference host determines the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, if the first infrared transceiver is one or more of the K1 infrared transceivers, the slave conference host is also used to send the fourth audio signal to the main conference host, and then the main conference host determines the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal; or the slave conference host is also used to determine the signal-to-noise ratio of the fourth audio signal, and then the slave conference host is also used to send the signal-to-noise ratio of the fourth audio signal to the main conference host; similarly, before the main conference host determines the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, if the first infrared transceiver If the device is one or more of the K2 infrared transceivers, the slave conference host is also used to send a second audio signal to the main conference host, and then the main conference host determines the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, or the slave conference host is also used to determine the signal-to-noise ratio of the second audio signal, and then the slave conference host is also used to send the signal-to-noise ratio of the second audio signal to the main conference host; then, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the main conference host is also used to determine that the second audio signal is the target audio signal, and if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the main conference host is also used to determine that the fourth audio signal is the target audio signal. It should be noted that the principle of determining the audio signal in this application is similar. Here, the specific principle of determining the signal-to-noise ratio of the fourth audio signal will be mainly explained, and the principle of determining the signal-to-noise ratio of other audio signals will not be repeated. Specifically, the signal-to-noise ratio of the fourth audio signal is the ratio of the signal strength of the third audio signal to the sum of the strengths of the K4 noise signals corresponding to the above-mentioned K4 channels.

[0075] Optionally, the main conference host of the present application may include a first mixer, and the slave conference host may include a second mixer. If the first infrared conference unit and the second infrared conference unit are different, two situations are represented: first, K infrared transceivers and M infrared conference units are in the same closed space; second, K1 infrared transceivers and the first infrared conference unit are in the first closed space, and K2 infrared transceivers and the second infrared conference unit are in the second closed space, that is, the infrared transceivers in the first closed space and the second closed space cannot receive the signal generated by the infrared conference unit in the other closed space. For example, it can be understood that the first closed space and the second closed space are two independent conference rooms in a conference hall; then the infrared conference controller is also used to determine the target mixer based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, or the main conference host can also be used to determine the target mixer based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, wherein the target The target mixer is the first mixer or the second mixer. It should be noted that this application does not specifically limit the subject that performs the step of determining the target mixer. Here, the main conference host performing the step of determining the target mixer is mainly used as an example for description. Specifically: when the first infrared transceiver is one or more of K1 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the main conference host is further configured to determine the first mixer as the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the main conference host is further configured to determine the second mixer as the target mixer; when the first infrared transceiver is one or more of K2 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the main conference host is further configured to determine the second mixer as the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the main conference host is further configured to determine the first mixer as the target mixer.

[0076] Then, the target mixer is used to mix the second audio signal and the fourth audio signal to obtain the target audio signal. Optionally, before the target mixer is used to mix the second audio signal and the fourth audio signal to obtain the target audio signal, if the first infrared transceiver is one or more of the K1 infrared transceivers and the target mixer is the first mixer, the slave conference host is also used to send the fourth audio signal to the master conference host, and the master conference host is also used to turn on the first mixer; if the first infrared transceiver is one or more of the K1 infrared transceivers and the target mixer is the second mixer, the master conference host is also used to send the second audio signal to the slave conference host, and the master conference host is also used to send a first control signal to the slave conference host, and then the slave conference host turns on the second mixer in response to the first control signal. If the first infrared transceiver is one or more of the K2 infrared transceivers and the target mixer is the first mixer, the slave conference host is further configured to send a second audio signal to the master conference host, and the master conference host is further configured to turn on the first mixer; if the first infrared transceiver is one or more of the K2 infrared transceivers and the target mixer is the second mixer, the master conference host is further configured to send a fourth audio signal to the slave conference host, and the master conference host is further configured to send a first control signal to the slave conference host, and the slave conference host turns on the second mixer in response to the first control signal; and the target mixer is then configured to mix the second audio signal and the fourth audio signal to obtain a target audio signal.

[0077] Finally, the main conference host is also used to send the target audio signal to the sound reinforcement device so that the target audio signal is played through the sound reinforcement device.

[0078] In an optional embodiment, before the infrared conference controller is used to obtain the first audio signal from the first infrared conference unit through the first infrared transceiver, that is, before the target object speaks in the first infrared conference unit, the target object needs to first turn on the first infrared conference unit (for example, turn on the microphone in the first infrared conference unit) before starting to speak. Therefore, when the target object touches the switch of the first infrared conference unit, the first infrared conference unit is used to respond to the touch operation of the target object, and then the first infrared conference unit is also used to send a first request signal to the infrared conference controller through the first infrared conference transceiver. Accordingly, the infrared conference controller receives the first request signal from the first infrared conference unit through the first infrared transceiver, wherein the relevant interpretation of the first request signal can refer to the relevant interpretation of the above-mentioned first audio signal, the first request signal is used to request to turn on the first infrared conference unit (for example, to request to turn on the microphone of the first infrared conference unit), optionally, the first request signal may include the ID of the first infrared conference unit, and the first request signal may be in the form of an infrared signal.

[0079] Then, if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends a first request signal to the slave conference host, and then the slave conference host sends the first request signal to the master conference host. Of course, if the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is also used to send the first request signal to the master conference host; then the infrared conference controller receives a confirmation response signal for the first request signal from the master conference host, and then the infrared conference controller sends the confirmation response signal to the first infrared conference unit, and then the first infrared conference unit turns on the microphone in response to the confirmation response signal.

[0080] Optionally, the infrared conference controller is also used to process the first request signal (such as superposition, switching) to obtain a target request signal (in the form of an electrical signal in this case), wherein the principle of obtaining the target request signal is similar to the principle of obtaining the second audio signal mentioned above, and will not be repeated here; then, if the first infrared transceiver is one or more of K1 infrared transceivers, the infrared conference controller is also used to send the target request signal to the main conference host; if the first infrared transceiver is one or more of K2 infrared transceivers, the infrared conference controller is also used to send the target request signal to the slave conference host, and then the slave conference host is also used to send the target request signal to the main conference host.

[0081] After receiving the target request signal, the main conference host is also used to send a confirmation response signal for the target request signal to the infrared conference controller; then the infrared conference controller is also used to switch the confirmation response signal to obtain a first response signal. For example, if the confirmation response signal sent by the main conference host is an electrical signal, the infrared conference controller will switch the confirmation response signal to an infrared signal, that is, the first response signal.

[0082] Then, the infrared conference controller sends a first response signal to the first infrared conference unit, so that the first infrared conference unit turns on the microphone in response to the first response signal. For example, the infrared conference controller is also used to send the first response signal to the first infrared conference unit through the first infrared transceiver, or the infrared conference controller is also used to send the first response signal to the first infrared conference unit through each infrared transceiver of K1 infrared transceivers or each infrared transceiver of K2 infrared transceivers. Specifically, when the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is also used to send the first response signal to the first infrared conference unit through each infrared transceiver of K1 infrared transceivers. When the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller is also used to send the first response signal to the first infrared conference unit through each infrared transceiver of K2 infrared transceivers. Then, the first infrared conference unit is also used to turn on the microphone in response to the first response signal after receiving the first response signal. It should be noted that before the infrared conference controller obtains the third audio signal from the second infrared conference unit through the second infrared transceiver, the second infrared conference unit (such as the microphone of the second infrared conference unit) must be turned on first, and the principle is similar to the above-mentioned principle of turning on the microphone of the first infrared conference unit, so it will not be repeated here.

[0083] In an optional embodiment, if the target audio signal is obtained by mixing the second audio signal and the fourth audio signal by the target mixer, and the target mixer is the first mixer, the first infrared transceiver is one or more of K1 infrared transceivers, and the second infrared transceiver is one or more of K2 infrared transceivers, then after the main conference host sends the target audio signal to the sound reinforcement device, the main conference host is also used to receive a fifth audio signal from the infrared conference controller every preset time period, and the main conference host is also used to receive a sixth audio signal from the slave conference host, wherein the fifth audio signal is obtained by the infrared conference controller from the first infrared conference unit through the first infrared transceiver, and the sixth audio signal is obtained by the infrared conference controller from the second infrared conference unit through the second infrared transceiver, the fifth audio signal and the second audio signal are the same, and the sixth audio signal and the fourth audio signal are the same; then, if the fifth If the signal-to-noise ratio of the audio signal is greater than or equal to the signal-to-noise ratio of the sixth audio signal, the main conference host determines that the target mixer is the first mixer, turns on the first mixer, and then mixes the fifth audio signal and the sixth audio signal through the first mixer to obtain a new target audio signal; then the main conference host sends the new target audio signal to the sound reinforcement device; if the signal-to-noise ratio of the fifth audio signal is less than the signal-to-noise ratio of the sixth audio signal, the main conference host determines that the target mixer is the second mixer, turns off the first mixer, and sends a first control signal to the slave conference host, and then the slave conference host turns on the second mixer in response to the first control signal; then the second mixer mixes the fifth audio signal and the sixth audio signal to obtain a new target audio signal, and then the main conference host receives the new target audio signal from the slave conference host; then the main conference host sends the new target audio signal to the sound reinforcement device.

[0084] Similarly, if the target audio signal is obtained by mixing the second audio signal and the fourth audio signal by the target mixer, and the target mixer is the first mixer, the first infrared transceiver is one or more of K2 infrared transceivers, and the second infrared transceiver is one or more of K1 infrared transceivers; or, the target mixer is the second mixer, the first infrared transceiver is one or more of K2 infrared transceivers, and the second infrared transceiver is one or more of K1 infrared transceivers; or, the target mixer is the second mixer, the first infrared transceiver is one or more of K1 infrared transceivers, and the second infrared transceiver is one or more of K2 infrared transceivers, then after the main conference host sends the target audio signal to the sound reinforcement device, the steps corresponding to the above-mentioned situation "the target mixer is the first mixer, the first infrared transceiver is one or more of K1 infrared transceivers, and the second infrared transceiver is one or more of K2 infrared transceivers" will be similarly executed every preset time period, and will not be repeated here.

[0085] That is, in this embodiment, after determining which conference host corresponds to the audio signal, that is, after determining which conference host's mixer to open for audio processing, the signal-to-noise ratio or signal strength of the audio signal obtained through the infrared transceiver corresponding to the main conference host and the audio signal obtained through the infrared transceiver corresponding to the slave conference host is detected at regular intervals, and the mixer of the conference host corresponding to the audio signal with a larger signal-to-noise ratio or larger signal strength is selected to be opened for audio mixing processing, and then the processed mixed audio is amplified through the sound reinforcement device, thereby ensuring the quality of audio playback.

[0086] In an optional embodiment, in addition to sending the second audio signal to the sound reinforcement device, the main conference host can also be used to send the second audio signal to the target translation end in the target translation room; then the main conference host receives the first translation audio signal for the second audio signal from the target translation room in the target translation room; then the infrared conference controller receives the first translation audio signal for the second audio signal from the main conference host; then the infrared conference controller sends the first translation audio signal to the target infrared conference unit to realize simultaneous interpretation, wherein the target infrared conference unit is one or more of the M infrared conference units. Specifically, the target infrared conference unit can be any one or more of the M infrared conference units, or all of the M infrared conference units. This application is not simplified. At this time, the infrared conference controller needs to send the first translation audio signal to each of the M infrared conference units, and then the conference personnel corresponding to each infrared conference unit can choose whether to listen to the first translation audio signal.

[0087] Optionally, after the main conference host receives the first translation audio signal from the target translation terminal and sends the first translation audio signal to the infrared conference controller, if the first infrared transceiver is one or more of K1 infrared transceivers, the main conference host is further used to send the first translation audio signal to the infrared conference controller; if the first infrared transceiver is one or more of K2 infrared transceivers, the main conference host is further used to send the first translation audio signal to the slave conference host, and then the slave conference host sends the first translation audio signal to the infrared conference controller, or the main conference host sends the first translation audio signal to the infrared conference controller; if the first infrared transceiver is one or more of K2 infrared transceivers, If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is further used to send a second translation audio signal to the first infrared conference unit through the first infrared transceiver or the K1 infrared transceivers; if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller is further used to send a second translation audio signal (in the form of an infrared signal) to the first infrared conference unit through the first infrared transceiver or the K2 infrared transceivers, wherein the second translation audio signal is obtained based on the first infrared transceiver or the K1 infrared transceivers switching the first translation audio signal (in the form of an electrical signal) into an infrared signal.

[0088] In an optional embodiment, in addition to sending the target audio signal to the sound reinforcement device, the main conference host can also be used to send the target audio signal to the target translation terminal in the target translation room; then the main conference host receives a third translation audio signal (in the form of an electrical signal) for the target audio signal from the target translation room in the target translation room; if the target audio signal is the second audio signal and the first infrared transceiver is one or more of the K1 infrared transceivers, the main conference host is further used to directly send the third translation audio signal to the infrared conference controller; if the target audio signal is the second audio signal and the first infrared transceiver is one or more of the K2 infrared transceivers, the main conference host is further used to send the third translation audio signal to the slave conference host. The master conference host sends the third translated audio signal to the infrared conference controller, and then sends the third translated audio signal from the conference host to the infrared conference controller, or optionally, the master conference host sends the third translated audio signal directly to the infrared conference controller; if the target audio signal is the fourth audio signal, and the first infrared transceiver is one or more of the K2 infrared transceivers, then the master conference host sends the third translated audio signal directly to the infrared conference controller; if the target audio signal is the fourth audio signal, and the first infrared transceiver is one or more of the K1 infrared transceivers, then the master conference host is further used to send the third translated audio signal to the slave conference host, and then the slave conference host sends the third translated audio signal to the infrared conference controller, or optionally, the master conference host sends the third translated audio signal directly to the infrared conference controller The controller sends a third translated audio signal; if the target audio signal is the second audio signal, and the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends a fourth translated audio signal (in the form of an infrared signal) to the first infrared conference unit through the first infrared transceiver or the K1 infrared transceivers, wherein the fourth translated audio signal is obtained based on the first infrared transceiver or the K1 infrared transceivers switching the third translated audio signal (in the form of an electrical signal) into an infrared signal; if the target audio signal is the second audio signal, and the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends a fourth translated audio signal (in the form of an infrared signal) to the first infrared conference unit through the first infrared transceiver or the K2 infrared transceivers. The conference unit sends a fourth translated audio signal (in the form of an infrared signal), wherein the fourth translated audio signal is obtained based on the first infrared transceiver or the K2 infrared transceivers switching the third translated audio signal (in the form of an electrical signal) into an infrared signal; if the target audio signal is the fourth audio signal, and the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends the fourth translated audio signal (in the form of an infrared signal) to the second infrared conference unit via the second infrared transceiver or the K1 infrared transceivers, wherein the fourth translated audio signal is obtained based on the second infrared transceiver or the K1 infrared transceivers switching the third translated audio signal (in the form of an electrical signal) into an infrared signal;If the target audio signal is the fourth audio signal, and the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller transmits a fourth translated audio signal (in the form of an infrared signal) to the second infrared conference unit via the second infrared transceiver or the K2 infrared transceivers. The fourth translated audio signal is obtained by converting the third translated audio signal (in the form of an electrical signal) into an infrared signal via the second infrared transceiver or the K2 infrared transceivers.

[0089] In an optional embodiment, before the main conference host sends the target audio signal or the second audio signal to the target translation terminal in the target translation room, the main conference host needs to first determine the target translation terminal in the target translation room. The second audio signal is mainly used as an example for explanation. Specifically: first, the main conference host screens multiple candidate translation rooms based on the language of the second audio signal and the input language of the multiple candidate translation rooms to obtain multiple first candidate translation rooms; then the main conference host determines the translation complexity of the second audio signal, and obtains the number of translations and the accuracy of each translation for each first candidate translation room; then the main conference host determines the translation complexity of the second audio signal based on the number of translations and the accuracy of each translation for each first candidate translation room. The priority of each first candidate translation room is determined. For example, a weight of each translation is determined based on the difficulty of each translation in each first candidate translation room. The accuracy of each translation in each first candidate translation room is then weighted and summed, and then averaged to obtain the priority of each first candidate translation room. A target translation room is then determined based on the translation complexity of the second audio signal and the priority of each first candidate translation room, where the target translation room is the translation room with the highest priority among the multiple first candidate translation rooms. Similarly, the priority of the translator corresponding to each translation terminal in the target translation room is determined (the principle is the same as the principle of determining the priority of each first candidate translation room and is not further described). The translator with the highest priority is then determined as the target translator.

[0090] In an optional embodiment, when there are multiple target objects, that is, when multiple target objects speak simultaneously through corresponding infrared conference units, the main conference host obtains the second audio signal corresponding to each target object. That is, if there are multiple first infrared conference units, the corresponding number of first audio signals is also multiple. That is, the infrared conference controller obtains the corresponding multiple first audio signals from the multiple first infrared conference units through the first infrared transceiver. Then, for each first audio signal, the infrared conference controller superimposes K3 signals corresponding to K3 channels corresponding to each first audio signal with the first audio signal to obtain a second audio signal corresponding to each first audio signal, that is, multiple second audio signals. If the first infrared transceiver is part or all of the K1 infrared transceivers, the infrared conference controller sends the multiple second audio signals to the main conference host. If the first infrared transceiver is part or all of the K2 infrared transceivers, the infrared conference controller sends the multiple second audio signals to the slave conference host, which then sends the multiple second audio signals to the main conference host, or the slave conference host sends multiple signal strengths corresponding to the multiple second audio signals to the main conference host.

[0091] Then, the main conference host determines the signal strength of each second audio signal, and then the main conference host screens the multiple second audio signals based on the signal strength of each second audio signal to obtain multiple first candidate audio signals; then the main conference host performs text conversion on each first candidate audio signal to obtain the first text corresponding to each first candidate audio signal; then the main conference host determines the relevance of each first text to the current speech topic, such as calculating semantic similarity, text similarity, etc.; then the main conference host determines the target speech audio signal from the multiple first candidate audio signals based on the relevance of each first text to the current speech topic, wherein the target speech audio signal is a signal with a correlation greater than a preset value among the multiple first candidate audio signals; then the main conference host shields the multiple second candidate audio signals, and A target speech audio signal is sent to a sound reinforcement device, wherein the plurality of second candidate audio signals are audio signals other than the target speech audio signal from the plurality of second audio signals; or, the main conference host sends a plurality of target control signals corresponding to the plurality of second candidate audio signals to the infrared conference controller, each target control signal being used to control the first infrared conference unit corresponding to each target control signal to turn off the speaking function; the infrared conference controller then switches and processes the plurality of target control signals to obtain a plurality of first target control signals; the infrared conference controller then sends a corresponding first target control signal to the first infrared conference unit corresponding to each first target control signal via a first infrared transceiver; and the first infrared conference unit corresponding to each first target control signal turns off the speaking function in response to the corresponding first target control signal. It should be noted that in this embodiment, when multiple users are speaking at the same time, by determining the relevance of the speech content to the conference topic, conference units with a relevance lower than a preset value are muted, thereby avoiding the generation of signals unrelated to the meeting due to users forgetting to turn off their microphones, thereby affecting the order and effectiveness of the meeting.

[0092] To facilitate understanding of the infrared conferencing system in the above embodiment, please refer to FIG2 , which is a schematic diagram of an infrared conferencing scenario provided in an embodiment of the present application.

[0093] The scene shown in Figure 2 is a large conference hall or a large meeting room, including a main conference host, a slave conference host, an infrared conference controller, K infrared transceivers (Figure 2 mainly uses K1+K2=K as an example for explanation, that is, it includes K1 infrared transceivers and K2 infrared transceivers) and M infrared conference units (Figure 2 mainly uses M1+M2=M as an example for explanation, that is, it includes M1 infrared conference units and M2 infrared conference units); wherein, the main conference host corresponds to K1 infrared transceivers among the K infrared transceivers and M1 infrared conference units among the M infrared conference units, the slave conference host corresponds to K2 infrared transceivers among the K infrared transceivers and M2 infrared conference units among the M infrared conference units, K1 and K2 are both smaller than K, M1 and M2 are both smaller than M, and Figure 2 mainly uses a slave conference host, K1+K2=K, M1+M2=M as an example for explanation; the conference hall includes meeting room 1 and Conference room 2 (i.e., the large conference room is divided into conference room 1 and conference room 2), and conference room 1 and conference room 2 are physically isolated (i.e., the infrared transceivers in this conference room cannot receive signals generated by infrared conference units in other conference rooms). The main conference host, K1 infrared transceivers and M1 infrared conference units are in conference room 1, and the slave conference host, K2 infrared transceivers and M2 infrared conference units are in conference room 2. The specific distribution in the conference room shown in Figure 2 is not limited in this application; the infrared conference controller establishes a connection with the main conference host, the slave conference host, and each of the K infrared transceivers. For example, the infrared conference controller shown in Figure 2 includes multiple interfaces (the number is greater than or equal to the total number of the main conference host, the slave conference host, and the K infrared transceivers). The main conference host and the slave conference host establish wireless communication. The connection method shown in Figure 2 is only an example and is not specifically limited in this application.

[0094] Then, the infrared conference controller obtains a first audio signal from the first infrared conference unit through the first infrared transceiver, wherein the first infrared transceiver is one or more of K1 infrared transceivers, or one or more of K2 infrared transceivers, and the first infrared conference unit is one of M infrared conference units; then the infrared control transceiver superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver in the K2 infrared transceivers; if the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends the second audio signal to the main conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, the conference controller sends the second audio signal to the slave conference host; finally, the main conference host sends the second audio signal to the sound reinforcement device. It should be noted that the principles in this embodiment can refer to the relevant explanations of the embodiment of Figure 1 above, and will not be repeated here. The scenario shown in Figure 2 can also execute all the embodiments of the embodiment of Figure 1 above.

[0095] Of course, the scene shown in Figure 2 can still be a large conference hall or a large conference room, but the conference hall is not divided into multiple physically isolated conference rooms, that is, the main conference host, the slave conference host, the infrared conference controller, K infrared transceivers and M infrared conference units are all in the same closed space, not in the above-mentioned physically isolated conference room 1 and conference room 2. Then, by the same token, all embodiments of the infrared conferencing method provided in this application can also be executed, which will not be illustrated here.

[0096] It can be seen that the infrared conference system of the present application includes a main conference host, a slave conference host, an infrared conference controller, K infrared transceivers and M infrared conference units, and the main conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, K1 and K2 are both less than K; then the infrared conference controller obtains the first audio signal from the first infrared conference unit through the first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conference unit is one of the M infrared conference units; then the infrared conference controller The device superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver in the K2 infrared transceivers. That is, when the first infrared transceiver belongs to the K1 infrared transceivers, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers. Then, the first audio signal and the K3 signals corresponding to the K3 channels are superimposed to obtain the second audio signal. , which is equivalent to superimposing the K1 signals (including the first audio signal and K3 signals) of the K1 channel corresponding to the K1 infrared transceivers. This superposition method makes it possible that when calculating the signal-to-noise ratio, the audio signal is the first audio signal, and the noise signal is the noise of the K1 channels. In layman's terms, the signal-to-noise ratio is the ratio of the first audio signal to the noise of the K1 channels. Compared with the existing solution of the ratio of the first audio signal to the noise of the K channels corresponding to the K infrared transceivers, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. Similarly, when the first infrared transceiver belongs to the K2 infrared transceiver, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. When the infrared transceiver is a K2 infrared transceiver, the principle is similar to that of the first infrared transceiver belonging to K2 infrared transceivers, and the signal-to-noise ratio of the second audio signal can also be increased, and the quality of the second audio signal is improved, which is not repeated here; then if the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends the second audio signal to the main conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends the second audio signal to the slave conference host; finally, the main conference host sends the second audio signal to the sound reinforcement device, so that the sound reinforcement device plays the second audio signal, which can ensure the playback effect and conference quality.

[0097] Referring to FIG3 , FIG3 is a flow chart of an infrared conferencing method provided in an embodiment of the present application. The infrared conferencing method is applied to the above-mentioned infrared conferencing controller, which is located in an infrared conferencing system. The infrared conferencing system also includes a master conferencing host, a slave conferencing host, K infrared transceivers, and M infrared conferencing units. The master conferencing host corresponds to K1 infrared transceivers, and the slave conferencing host corresponds to K2 infrared transceivers, where K1 and K2 are both less than K. The method includes but is not limited to steps S301-S305:

[0098] S301: The infrared conference controller obtains a first audio signal from a first infrared conference unit through a first infrared transceiver.

[0099] The first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conference unit is one of the M infrared conference units.

[0100] S302: The infrared conference controller superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal.

[0101] The K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers. It should be noted that the principle of step S302 can be referred to the explanation in the above embodiment and will not be repeated here.

[0102] S303: If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends a second audio signal to the main conference host.

[0103] Exemplarily, the infrared conference controller obtains the identifier (ID or serial number) of the first infrared transceiver, and then matches the identifier of the first infrared transceiver with the identifiers of K1 infrared transceivers and the identifiers of K2 infrared transceivers, and determines the infrared transceiver that is successfully matched from the K1 infrared transceivers or the infrared transceiver that is successfully matched from the K2 infrared transceivers as the first infrared transceiver. If the match is successful from the K1 infrared transceivers, the first infrared transceiver is one or more of the K1 infrared transceivers, and if the match is successful from the K2 infrared transceivers, the first infrared transceiver is one or more of the K2 infrared transceivers. In other words, the infrared conference controller of the present application is pre-set with a correspondence between infrared transceivers and conference hosts (i.e., master conference host, slave conference host). Therefore, after receiving the first audio signal sent by the first infrared transceiver, the infrared conference controller can determine the corresponding host based on the first infrared transceiver, such as determining the corresponding host based on the identifier of the first infrared transceiver, and then the infrared conference controller sends a second audio signal to the host corresponding to the first infrared transceiver.

[0104] S304: If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends a second audio signal to the secondary conference host.

[0105] S305: The infrared conference controller sends a second audio signal to the sound reinforcement device through the main conference host.

[0106] It should be noted that the principles of steps S301-S305 can refer to the corresponding explanations in the above embodiments. The infrared conference controller, master conference host, slave conference host, infrared transceiver, and infrared conference unit in the embodiment of Figure 3 can also correspondingly execute the steps in the above embodiments of Figures 1-2 and can achieve the same technical effects, which will not be repeated here.

[0107] Refer to FIG4 , which is a flow chart of another infrared conferencing method provided in an embodiment of the present application. The method is applied to the infrared conferencing system in the above embodiment, and includes but is not limited to steps S401 to S406:

[0108] S401: A first infrared transceiver receives a first audio signal from a first infrared conferencing unit.

[0109] The first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conference unit is one of the M infrared conference units.

[0110] S402: The infrared conference controller receives a first audio signal from a first infrared transceiver.

[0111] S403: The infrared conference controller superimposes K3 signals corresponding to the K3 channels with the first audio signal to obtain a second audio signal.

[0112] The K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers.

[0113] S404: If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends a second audio signal to the main conference host.

[0114] S405: If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends a second audio signal to the secondary conference host.

[0115] S406: The main conference host sends a second audio signal to the sound reinforcement device.

[0116] It should be noted that the principles of steps S401-S406 can refer to the corresponding explanations in the above embodiments. The infrared conference controller, master conference host, slave conference host, infrared transceiver, and infrared conference unit in the embodiment of Figure 4 can also correspondingly execute the steps in the above embodiments of Figures 1-2, and can achieve the same technical effects, which will not be repeated here.

[0117] It should be noted that the following description will be based on an example in which the first infrared transceiver is one of K1 infrared transceivers, the second infrared transceiver is one of K2 infrared transceivers, and the first infrared conferencing unit and the second infrared conferencing unit are the same. Referring to FIG5 , FIG5 is a schematic diagram of an interaction flow of an infrared conferencing method provided in an embodiment of the present application, which includes but is not limited to steps S501-S511:

[0118] S501: The first infrared transceiver receives a first audio signal from the first infrared conference unit, and the second infrared transceiver receives a third audio signal from the first infrared conference unit.

[0119] S502: The infrared conference controller receives a first audio signal from the first infrared transceiver, and receives a third audio signal from the second infrared transceiver.

[0120] S503: The infrared conference controller superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, and determines a fourth audio signal based on the third audio signal and the second infrared transceiver.

[0121] S504: The infrared conference controller sends a second audio signal to the master conference host, and sends a fourth audio signal to the slave conference host.

[0122] S505: The main conference host determines the signal-to-noise ratio of the second audio signal.

[0123] S506: Determine a signal-to-noise ratio of the fourth audio signal from the conference host.

[0124] S507: Send the signal-to-noise ratio of the fourth audio signal from the secondary conference host to the primary conference host.

[0125] S508: The main conference host determines whether the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal. If so, execute step S509; otherwise, execute step S510.

[0126] S509: The main conference host determines that the second audio signal is a target audio signal.

[0127] S510: The main conference host determines that the fourth audio signal is a target audio signal.

[0128] S511. The main conference host sends a target audio signal to the sound reinforcement device.

[0129] It should be noted that this application does not specifically limit the execution order of steps S501-S511. The relevant principles of steps S501-S511 can refer to the corresponding explanation of the above embodiments. The infrared conference controller, master conference host, slave conference host, infrared transceiver, and infrared conference unit in the embodiment of Figure 5 can also correspond to the steps in the above-mentioned embodiments of Figures 1-2, and can achieve the same technical effects, which will not be repeated here.

[0130] It should be noted that the following description will be given by taking as an example the case where the first infrared transceiver is one of K1 infrared transceivers, the second infrared transceiver is one of K2 infrared transceivers, and the first infrared conferencing unit and the second infrared conferencing unit are different. Referring to FIG6 , FIG6 is a schematic diagram of an interaction flow of another infrared conferencing method provided in an embodiment of the present application, which method includes but is not limited to steps S601-S613:

[0131] S601: The first infrared transceiver receives a first audio signal from the first infrared conference unit, and the second infrared transceiver receives a third audio signal from the first infrared conference unit.

[0132] S602: The infrared conference controller receives a first audio signal from the first infrared transceiver, and receives a third audio signal from the second infrared transceiver.

[0133] S603: The infrared conference controller superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, and determines a fourth audio signal based on the third audio signal and the second infrared transceiver.

[0134] S604: The infrared conference controller sends a second audio signal to the master conference host, and sends a fourth audio signal to the slave conference host.

[0135] S605: The main conference host determines the signal-to-noise ratio of the second audio signal.

[0136] S606: Determine a signal-to-noise ratio of the fourth audio signal from the conference host.

[0137] S607: Send the signal-to-noise ratio of the fourth audio signal from the secondary conference host to the primary conference host.

[0138] S608: The main conference host determines whether the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal. If so, execute step S609; otherwise, execute step S611.

[0139] S609: The main conference host turns on the first audio mixer.

[0140] S610: The main conference host sends a target audio signal to the sound reinforcement device.

[0141] The target audio signal in step S610 is obtained by mixing the second audio signal and the fourth audio signal by the main conference host through the first mixer.

[0142] S611: The master conference host sends a first control signal to the slave conference host.

[0143] S612: The conference host turns on the second mixer in response to the first control signal.

[0144] S613: Send the target audio signal from the conference host to the sound reinforcement device.

[0145] The target audio signal in step S613 is obtained by mixing the second audio signal and the fourth audio signal through the second mixer of the conference host.

[0146] It should be noted that this application does not specifically limit the execution order of steps S601-S613. The relevant principles of steps S601-S613 can refer to the corresponding explanation of the above embodiments. The infrared conference controller, master conference host, slave conference host, infrared transceiver, and infrared conference unit in the embodiment of Figure 6 can also correspond to the steps in the embodiments of Figures 1-2 above, and can achieve the same technical effects, which will not be repeated here.

[0147] In an optional embodiment, the present application provides an infrared conferencing method, which is applied to a slave conference host, the slave conference host is located in an infrared conferencing system, the infrared conferencing system also includes a master conference host, an infrared conference controller, K infrared transceivers and M infrared conferencing units, the master conference host corresponds to K1 infrared transceivers, the slave conference host corresponds to K2 infrared transceivers, and K1 and K2 are both less than K; the method includes but is not limited to steps S11-S12:

[0148] S11. The conference host receives a second audio signal from the infrared conference controller.

[0149] Among them, the second audio signal is obtained by the infrared conference controller by superimposing K3 signals corresponding to K3 channels with the first audio signal. The first audio signal is received by the infrared conference controller from the first infrared conference unit through the first infrared transceiver. The first infrared transceiver is one or more of the K1 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, and the K3 channels are the channels corresponding to the infrared transceivers among the K1 infrared transceivers except the first infrared transceiver.

[0150] S12. Send a second audio signal from the conference host to the main conference host, so that the main conference host sends the second audio signal to the sound reinforcement device.

[0151] Specifically, after receiving the second audio signal, the slave conference host determines the signal-to-noise ratio of the second audio signal, and then sends the signal-to-noise ratio of the second audio signal to the master conference host, or sends the signal-to-noise ratio of the second audio signal and the second audio signal to the master conference host. Optionally, after receiving the second audio signal from the infrared conference controller, the slave conference host may also directly send the second audio signal to the master conference host, which is not specifically limited in this application.

[0152] It should be noted that the principles of steps S11-S12 can refer to the corresponding explanations in the above embodiments. The master conference host, slave conference host, infrared conference controller, infrared transceiver, and infrared conference unit in this embodiment can also correspondingly execute the steps in the above embodiments, which will not be repeated here.

[0153] In an optional embodiment, the present application provides an infrared conferencing method, which is applied to a master conference host, the master conference host being located in an infrared conferencing system, the infrared conferencing system further comprising a slave conference host, an infrared conferencing controller, K infrared transceivers, and M infrared conferencing units, the master conference host corresponding to K1 infrared transceivers, the slave conference host corresponding to K2 infrared transceivers, and K1 and K2 being both less than K; the method includes but is not limited to steps S21-S22:

[0154] S21. The main conference host obtains a second audio signal.

[0155] In which, the second audio signal is received from the infrared conference controller, or is received from the infrared conference controller through the conference host. The second audio signal is obtained by superimposing K3 signals corresponding to K3 channels with the first audio signal through the infrared conference controller. The first audio signal is received by the infrared conference controller from the first infrared conference unit through the first infrared transceiver. The first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers. The first infrared conference unit is one of the M infrared conference units. The K3 channels are the channels corresponding to the infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or the channels corresponding to the infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers.

[0156] S22. The main conference host sends a second audio signal to the sound reinforcement device.

[0157] It should be noted that the principles of steps S21-S22 can refer to the corresponding explanations in the above embodiments. The master conference host, slave conference host, infrared conference controller, infrared transceiver, and infrared conference unit in this embodiment can also correspondingly execute the steps in the above embodiments, which will not be repeated here.

[0158] It can be seen that the infrared conference system of the present application includes a main conference host, a slave conference host, an infrared conference controller, K infrared transceivers and M infrared conference units, and the main conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, K1 and K2 are both less than K; then the infrared conference controller obtains the first audio signal from the first infrared conference unit through the first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conference unit is one of the M infrared conference units; then the infrared conference controller The device superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver in the K2 infrared transceivers. That is, when the first infrared transceiver belongs to the K1 infrared transceivers, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver in the K1 infrared transceivers. Then, the first audio signal and the K3 signals corresponding to the K3 channels are superimposed to obtain the second audio signal. , which is equivalent to superimposing the K1 signals (including the first audio signal and K3 signals) of the K1 channel corresponding to the K1 infrared transceivers. This superposition method makes it possible that when calculating the signal-to-noise ratio, the audio signal is the first audio signal, and the noise signal is the noise of the K1 channels. In layman's terms, the signal-to-noise ratio is the ratio of the first audio signal to the noise of the K1 channels. Compared with the existing solution of the ratio of the first audio signal to the noise of the K channels corresponding to the K infrared transceivers, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. Similarly, when the first infrared transceiver belongs to the K2 infrared transceiver, the signal-to-noise ratio of the second audio signal is increased, thereby improving the quality of the second audio signal. When the infrared transceiver is a K2 infrared transceiver, the principle is similar to that of the first infrared transceiver belonging to K2 infrared transceivers, and the signal-to-noise ratio of the second audio signal can also be increased, and the quality of the second audio signal is improved, which is not repeated here; then if the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends the second audio signal to the main conference host; if the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends the second audio signal to the slave conference host; finally, the main conference host sends the second audio signal to the sound reinforcement device, so that the sound reinforcement device plays the second audio signal, which can ensure the playback effect and conference quality.

[0159] Refer to Figure 7, which is a block diagram of the functional units of an infrared conference controller provided in an embodiment of the present application. The infrared conference controller is located in an infrared conference system, which also includes a master conference host, a slave conference host, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where both K1 and K2 are less than K. The infrared conference controller 700 includes: a transceiver unit 701 and a processing unit 702;

[0160] The transceiver unit 701 is configured to obtain a first audio signal from a first infrared conferencing unit via a first infrared transceiver, where the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units.

[0161] a processing unit 702 configured to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0162] If the first infrared transceiver is one or more of the K1 infrared transceivers, the transceiver unit 701 is further configured to send a second audio signal to the main conference host;

[0163] If the first infrared transceiver is one or more of the K2 infrared transceivers, the transceiver unit 701 is further configured to send a second audio signal to the slave conference host;

[0164] The transceiver unit 701 is further configured to send a second audio signal to the sound reinforcement device via the main conference host.

[0165] In one embodiment of the present application, the transceiver unit 701 is specifically configured to:

[0166] Obtaining a third audio signal from a second infrared conferencing unit through a second infrared transceiver, wherein the second infrared transceiver is one or more of K1 infrared transceivers, or one or more of K2 infrared transceivers, the first infrared transceiver and the second infrared transceiver are different, and the second infrared conferencing unit is one of M infrared conferencing units;

[0167] The processing unit 702 is configured to determine a fourth audio signal based on the third audio signal and the second infrared transceiver;

[0168] If the first infrared transceiver is one or more of K1 infrared transceivers, in terms of sending the second audio signal to the main conference host, the transceiver unit 701 is specifically configured to:

[0169] sending a second audio signal to the master conference host, and sending a fourth audio signal to the slave conference host;

[0170] If the first infrared transceiver is one or more of the K2 infrared transceivers, in terms of sending the second audio signal to the main conference host, the transceiver unit 701 is specifically configured to:

[0171] sending a fourth audio signal to the master conference host, and sending a second audio signal to the slave conference host;

[0172] In terms of sending the second audio signal to the sound reinforcement device through the main conference host, the processing unit 702 is specifically configured to:

[0173] determining a target audio signal based on the first infrared conferencing unit, the second infrared conferencing unit, the second audio signal, and the fourth audio signal;

[0174] The transceiver unit 701 is used to send a target audio signal to the sound reinforcement device through the main conference host.

[0175] In one embodiment of the present application, the master conference host includes a first audio mixer, and the slave conference host includes a second audio mixer. In determining the target audio signal based on the first infrared conference unit, the second infrared conference unit, the second audio signal, and the fourth audio signal, the processing unit 702 is specifically configured to:

[0176] If the first infrared conferencing unit and the second infrared conferencing unit are the same, determining a target audio signal based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal;

[0177] If the first infrared conference unit and the second infrared conference unit are different, determining a target mixer based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal, the target mixer being the first mixer or the second mixer;

[0178] The second audio signal and the fourth audio signal are mixed by a target mixer to obtain a target audio signal.

[0179] In one embodiment of the present application, in determining the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, the processing unit 702 is specifically configured to:

[0180] If the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determining that the second audio signal is the target audio signal;

[0181] If the signal-to-noise ratio of the second audio signal is lower than the signal-to-noise ratio of the fourth audio signal, the fourth audio signal is determined to be the target audio signal.

[0182] In one embodiment of the present application, in determining the target mixer based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, the processing unit 702 is specifically configured to:

[0183] When the first infrared transceiver is one or more of the K1 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determine the first mixer as the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, determine the second mixer as the target mixer;

[0184] When the first infrared transceiver is one or more of the K2 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the second mixer is determined to be the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the first mixer is determined to be the target mixer.

[0185] In one embodiment of the present application, the processing unit 702 is specifically configured to:

[0186] The control transceiver unit 701 sends a second audio signal to a target translation terminal in a target translation room through the main conference host;

[0187] The control transceiver unit 701 receives a first translation audio signal for the second audio signal from the main conference host, wherein the first translation audio signal is obtained by the main conference host from the target translation terminal;

[0188] The control transceiver unit 701 sends a first translated audio signal to a target infrared conferencing unit, wherein the target infrared conferencing unit is one or more of the M infrared conferencing units.

[0189] In one embodiment of the present application, before obtaining the first audio signal from the first infrared conferencing unit through the first infrared transceiver, the processing unit 702 is specifically configured to:

[0190] The control transceiver unit 701 receives a first request signal from the first infrared conferencing unit through the first infrared transceiver, wherein the first request signal is used to request to turn on the microphone of the first infrared conferencing unit;

[0191] If the first infrared transceiver is one or more of the K2 infrared transceivers, the control transceiver unit 701 sends a first request signal to the slave conference host;

[0192] The control transceiver unit 701 sends a first request signal from the conference host to the main conference host;

[0193] The control transceiver unit 701 receives a confirmation response signal for the first request signal from the main conference host;

[0194] The control transceiver unit 701 sends a confirmation response signal to the first infrared conference unit, so that the first infrared conference unit turns on the microphone in response to the confirmation response signal.

[0195] In a specific implementation, the transceiver unit 701 and the processing unit 702 described in the embodiment of the present invention may also execute the steps executed by the infrared conference controller in the embodiment of the present invention in the above embodiment, which will not be repeated here.

[0196] Refer to Figure 8, which is a block diagram of the functional units of a master conference host provided in an embodiment of the present application. The master conference host is located in an infrared conference system, which also includes a slave conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where both K1 and K2 are less than K. The master conference host 800 includes: a first transceiver unit 801 and a first processing unit 802;

[0197] The first transceiver unit 801 is used to obtain a second audio signal, wherein the second audio signal is received from the infrared conference controller, or is received from the infrared conference controller via the conference host, the second audio signal is obtained by superimposing K3 signals corresponding to K3 channels with the first audio signal via the infrared conference controller, the first audio signal is received by the infrared conference controller from the first infrared conference unit via the first infrared transceiver, the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0198] The first processing unit 802 is configured to control the first transceiver unit to send a second audio signal to the sound reinforcement device.

[0199] In a specific implementation, the first transceiver unit 801 and the first processing unit 802 described in the embodiment of the present invention may also execute the steps executed by the main conference host in the embodiment of the present invention in the above embodiment, which will not be repeated here.

[0200] Refer to Figure 9, which is a block diagram of the functional units of a slave conference host provided in an embodiment of the present application. The slave conference host is located in an infrared conference system, which also includes a master conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where both K1 and K2 are less than K. The slave conference host 900 includes: a second transceiver unit 901 and a second processing unit 902;

[0201] The second transceiver unit 901 is used to receive a second audio signal from the infrared conference controller, wherein the second audio signal is obtained by the infrared conference controller by superimposing K3 signals corresponding to K3 channels with the first audio signal, and the first audio signal is received by the infrared conference controller from the first infrared conference unit through the first infrared transceiver. The first infrared transceiver is one or more of the K1 infrared transceivers, the first infrared conference unit is one of the M infrared conference units, and the K3 channels are the channels corresponding to the infrared transceivers in the K1 infrared transceivers except the first infrared transceiver.

[0202] The second processing unit 902 is configured to control the second transceiver unit to send the second audio signal to the main conference host, so that the main conference host sends the second audio signal to the sound reinforcement device.

[0203] In a specific implementation, the second transceiver unit 901 and the second processing unit 902 described in the embodiment of the present invention may also execute the steps executed by the conference host in the above embodiment of the present invention, which will not be repeated here.

[0204] Referring to Figure 10 , Figure 10 is a schematic diagram of the structure of an electronic device provided in an embodiment of the present application. As shown in Figure 10 , electronic device 1000 includes a transceiver 1001, a processor 1002, and a memory 1003. These are connected via a bus 1004. Memory 1003 is used to store computer programs and data and can transmit data stored in memory 1003 to processor 1002.

[0205] The processor 1002 is configured to read the computer program in the memory 1003 and perform the following operations:

[0206] The control transceiver 1001 obtains a first audio signal from a first infrared conferencing unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units;

[0207] The K3 signals corresponding to the K3 channels are superimposed on the first audio signal to obtain a second audio signal, wherein,

[0208] The K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers;

[0209] If the first infrared transceiver is one or more of the K1 infrared transceivers, the control transceiver 1001 sends the second audio signal to the main conference host;

[0210] If the first infrared transceiver is one or more of the K2 infrared transceivers, control the transceiver 1001 to send a second audio signal to the slave conference host;

[0211] The control transceiver 1001 sends the second audio signal to the sound reinforcement device through the main conference host.

[0212] In one embodiment of the present application, the processor 1002 is specifically configured to perform the following operations:

[0213] The control transceiver 1001 obtains a third audio signal from the second infrared conferencing unit through the second infrared transceiver, wherein the second infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, the first infrared transceiver and the second infrared transceiver are different, and the second infrared conferencing unit is one of the M infrared conferencing units;

[0214] determining a fourth audio signal based on the third audio signal and the second infrared transceiver;

[0215] If the first infrared transceiver is one or more of the K1 infrared transceivers, in terms of sending the second audio signal to the main conference host, the processor 1002 is specifically configured to perform the following operations:

[0216] Controlling the transceiver 1001 to send a second audio signal to the master conference host and a fourth audio signal to the slave conference host;

[0217] If the first infrared transceiver is one or more of the K2 infrared transceivers, in terms of sending the second audio signal to the main conference host, the processor 1002 is specifically configured to perform the following operations:

[0218] Controlling the transceiver 1001 to send the fourth audio signal to the master conference host and the second audio signal to the slave conference host;

[0219] In terms of sending the second audio signal to the sound reinforcement device through the main conference host, the processor 1002 is specifically configured to:

[0220] determining a target audio signal based on the first infrared conferencing unit, the second infrared conferencing unit, the second audio signal, and the fourth audio signal;

[0221] The control transceiver 1001 sends the target audio signal to the sound reinforcement device through the main conference host.

[0222] In one embodiment of the present application, the master conference host includes a first audio mixer, and the slave conference host includes a second audio mixer. In determining the target audio signal based on the first infrared conference unit, the second infrared conference unit, the second audio signal, and the fourth audio signal, the processor 1002 is specifically configured to perform the following operations:

[0223] If the first infrared conferencing unit and the second infrared conferencing unit are the same, determining a target audio signal based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal;

[0224] If the first infrared conference unit and the second infrared conference unit are different, determining a target mixer based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal, the target mixer being the first mixer or the second mixer;

[0225] The second audio signal and the fourth audio signal are mixed by a target mixer to obtain a target audio signal.

[0226] In one embodiment of the present application, in determining the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, the processor 1002 is specifically configured to perform the following operations:

[0227] If the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determining that the second audio signal is the target audio signal;

[0228] If the signal-to-noise ratio of the second audio signal is lower than the signal-to-noise ratio of the fourth audio signal, the fourth audio signal is determined to be the target audio signal.

[0229] In one embodiment of the present application, in determining the target mixer based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal, the processor 1002 is specifically configured to perform the following operations:

[0230] When the first infrared transceiver is one or more of the K1 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determine the first mixer as the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, determine the second mixer as the target mixer;

[0231] When the first infrared transceiver is one or more of the K2 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the second mixer is determined to be the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the first mixer is determined to be the target mixer.

[0232] In one embodiment of the present application, the processor 1002 is specifically configured to perform the following operations:

[0233] Controlling the transceiver 1001 to send a second audio signal to a target translation terminal in a target translation room through the main conference host;

[0234] Controlling the transceiver 1001 to receive a first translation audio signal for the second audio signal from the main conference host, wherein the first translation audio signal is obtained by the main conference host from the target translation terminal;

[0235] The control transceiver 1001 sends a first translation audio signal to a target infrared conferencing unit, wherein the target infrared conferencing unit is one or more of the M infrared conferencing units.

[0236] In one embodiment of the present application, before acquiring the first audio signal from the first infrared conferencing unit through the first infrared transceiver, the processor 1002 is specifically configured to perform the following operations:

[0237] The control transceiver 1001 receives a first request signal from the first infrared conferencing unit via the first infrared transceiver, wherein the first request signal is used to request to turn on the microphone of the first infrared conferencing unit;

[0238] If the first infrared transceiver is one or more of the K2 infrared transceivers, the control transceiver 1001 sends a first request signal to the slave conference host;

[0239] The control transceiver 1001 sends a first request signal from the conference host to the main conference host;

[0240] Controlling the transceiver 1001 to receive a confirmation response signal for the first request signal from the main conference host;

[0241] The control transceiver 1001 sends a confirmation response signal to the first infrared conference unit, so that the first infrared conference unit turns on the microphone in response to the confirmation response signal.

[0242] Specifically, the above-mentioned transceiver 1001 can be the transceiver unit 701 of the infrared conference controller 700 of the embodiment of Figure 7, the first transceiver unit 801 of the main conference host 800 of the embodiment of Figure 8, and the second transceiver unit 901 of the slave conference host 900 of the embodiment of Figure 9. The above-mentioned processor 1002 can be the processing unit 702 of the infrared conference controller 700 of the embodiment of Figure 7, the first processing unit 802 of the main conference host 800 of the embodiment of Figure 8, and the second processing unit 902 of the slave conference host 900 of the embodiment of Figure 9.

[0243] In a specific implementation, the transceiver 1001, processor 1002, and memory 1003 described in the embodiment of the present invention can also execute the corresponding steps executed by the infrared conference controller, master conference host, and slave conference host in the embodiment of the present invention in the above embodiment, which will not be repeated here.

[0244] It should be understood that the electronic device of the present application may include a server, such as a cloud computing server, a content delivery network (CDN) server, a network time protocol (NTP) server, a domain name system (DNS) server, and other various types of servers. The above servers are only examples and are not exhaustive, including but not limited to the above servers.

[0245] An embodiment of the present application further provides a computer-readable storage medium storing a computer program, which is executed by a processor to implement part or all of the steps of any infrared conferencing method described in the above method embodiments.

[0246] An embodiment of the present application also provides a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable a computer to execute part or all of the steps of any infrared conferencing method described in the above method embodiments.

[0247] It should be noted that for the aforementioned method embodiments, for the sake of simplicity, they are all expressed as a series of action combinations, but those skilled in the art should be aware that this application is not limited by the order of the actions described, because according to this application, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all optional embodiments, and the actions and modules involved are not necessarily required by this application.

[0248] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0249] In the several embodiments provided in this application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical or other forms.

[0250] Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0251] In addition, the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or in the form of software program modules.

[0252] If the integrated unit is implemented in the form of a software program module and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a memory and includes a number of instructions for enabling a computer device (which can be a personal computer, server or network device, etc.) to execute all or part of the steps of the various embodiments of the present application. The aforementioned memory includes various media that can store program codes, such as a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk.

[0253] Those skilled in the art will appreciate that all or part of the steps in the various methods of the above embodiments can be completed by instructing related hardware through a program. The program can be stored in a computer-readable memory, and the memory can include: a flash drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0254] The above is a detailed introduction to the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for those skilled in the art, based on the ideas of the present application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An infrared conferencing method, characterized in that: The method is applied to an infrared conference controller, which is located in an infrared conference system. The infrared conference system also includes a master conference host, a slave conference host, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where K1 and K2 are both smaller than K. The method includes: Obtaining a first audio signal from a first infrared conferencing unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units; Superimposing K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or are channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers; If the first infrared transceiver is one or more of the K1 infrared transceivers, sending the second audio signal to the main conference host; If the first infrared transceiver is one or more of the K2 infrared transceivers, sending the second audio signal to the slave conference host; The second audio signal is sent to the sound reinforcement device through the main conference host.

2. The method according to claim 1, characterized in that The method further comprises: Obtaining a third audio signal from a second infrared conferencing unit through a second infrared transceiver, wherein the second infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, the first infrared transceiver and the second infrared transceiver are different, and the second infrared conferencing unit is one of the M infrared conferencing units; determining a fourth audio signal based on the third audio signal and the second infrared transceiver; If the first infrared transceiver is one or more of the K1 infrared transceivers, sending the second audio signal to the main conference host includes: sending the second audio signal to the master conference host, and sending the fourth audio signal to the slave conference host; If the first infrared transceiver is one or more of the K2 infrared transceivers, the sending the second audio signal to the slave conference host includes: sending the fourth audio signal to the master conference host, and sending the second audio signal to the slave conference host; The sending the second audio signal to the sound reinforcement device through the main conference host includes: determining a target audio signal based on the first infrared conferencing unit, the second infrared conferencing unit, the second audio signal, and the fourth audio signal; The target audio signal is sent to the sound reinforcement device through the main conference host.

3. The method according to claim 2, characterized in that The master conference host includes a first audio mixer, the slave conference host includes a second audio mixer, and determining a target audio signal based on the first infrared conference unit, the second infrared conference unit, the second audio signal, and the fourth audio signal includes: If the first infrared conferencing unit and the second infrared conferencing unit are the same, determining the target audio signal based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal; If the first infrared conferencing unit and the second infrared conferencing unit are different, determining a target mixer based on a signal-to-noise ratio of the second audio signal and a signal-to-noise ratio of the fourth audio signal, the target mixer being the first mixer or the second mixer; The target audio signal is obtained by mixing the second audio signal and the fourth audio signal through the target audio mixer.

4. The method according to claim 3, characterized in that The determining the target audio signal based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal includes: If the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determining that the second audio signal is the target audio signal; If the signal-to-noise ratio of the second audio signal is lower than the signal-to-noise ratio of the fourth audio signal, the fourth audio signal is determined to be the target audio signal.

5. The method according to claim 3 or 4, characterized in that The determining a target mixer based on the signal-to-noise ratio of the second audio signal and the signal-to-noise ratio of the fourth audio signal includes: When the first infrared transceiver is one or more of the K1 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, determining the first mixer as the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, determining the second mixer as the target mixer; When the first infrared transceiver is one or more of the K2 infrared transceivers, if the signal-to-noise ratio of the second audio signal is greater than or equal to the signal-to-noise ratio of the fourth audio signal, the second mixer is determined to be the target mixer; if the signal-to-noise ratio of the second audio signal is less than the signal-to-noise ratio of the fourth audio signal, the first mixer is determined to be the target mixer.

6. The method according to claim 1, characterized in that The method further comprises: sending the second audio signal to a target translation terminal in a target translation room through the main conference host; receiving a first translation audio signal for the second audio signal from the main conference host, wherein the first translation audio signal is obtained by the main conference host from the target translation terminal; The first translated audio signal is sent to a target infrared conferencing unit, where the target infrared conferencing unit is one or more of the M infrared conferencing units.

7. The method according to claim 2, characterized in that Before acquiring the first audio signal from the first infrared conference unit through the first infrared transceiver, the method further includes: receiving a first request signal from the first infrared conferencing unit through the first infrared transceiver, wherein the first request signal is used to request turning on the microphone of the first infrared conferencing unit; If the first infrared transceiver is one or more of the K2 infrared transceivers, sending the first request signal to the slave conference host; Sending the first request signal to the master conference host through the slave conference host; receiving a confirmation response signal from the main conference host in response to the first request signal; The confirmation response signal is sent to the first infrared conference unit, so that the first infrared conference unit turns on the microphone in response to the confirmation response signal.

8. An infrared conferencing method, characterized in that: The method is applied to an infrared conference system, which includes a master conference host, a slave conference host, an infrared conference controller, K infrared transceivers, and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers, where K1 and K2 are both smaller than K. The method includes: A first infrared transceiver receives a first audio signal from a first infrared conferencing unit, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units; The infrared conference controller receives the first audio signal from the first infrared transceiver; The infrared conference controller superimposes K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers; If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller sends the second audio signal to the main conference host; If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller sends the second audio signal to the slave conference host; The main conference host sends the second audio signal to the sound reinforcement device.

9. An infrared conference controller, characterized in that: The infrared conference controller is located in the infrared conference system, which also includes a master conference host, a slave conference host, K infrared transceivers and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers. K1 and K2 are both less than K. The infrared conference controller includes a transceiver unit and a processing unit. The transceiver unit is configured to obtain a first audio signal from a first infrared conferencing unit through a first infrared transceiver, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers, and the first infrared conferencing unit is one of the M infrared conferencing units; The processing unit is configured to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers; If the first infrared transceiver is one or more of the K1 infrared transceivers, the transceiver unit is further configured to send the second audio signal to the main conference host; If the first infrared transceiver is one or more of the K2 infrared transceivers, the transceiver unit is further configured to send the second audio signal to the slave conference host; The transceiver unit is further configured to send the second audio signal to the sound reinforcement device via the main conference host.

10. An infrared conference system, characterized in that: The infrared conference system includes a master conference host, a slave conference host, an infrared conference controller, K infrared transceivers and M infrared conference units. The master conference host corresponds to K1 infrared transceivers, and the slave conference host corresponds to K2 infrared transceivers. K1 and K2 are both less than K. a first infrared transceiver, configured to receive a first audio signal from a first infrared conferencing unit, wherein the first infrared transceiver is one or more of the K1 infrared transceivers, or one or more of the K2 infrared transceivers; The first infrared conference unit is one of the M infrared conference units; The infrared conference controller is configured to receive the first audio signal from the first infrared transceiver; The infrared conference controller is further configured to superimpose K3 signals corresponding to K3 channels with the first audio signal to obtain a second audio signal, wherein the K3 channels are channels corresponding to infrared transceivers other than the first infrared transceiver among the K1 infrared transceivers, or channels corresponding to infrared transceivers other than the first infrared transceiver among the K2 infrared transceivers; If the first infrared transceiver is one or more of the K1 infrared transceivers, the infrared conference controller is further configured to send the second audio signal to the main conference host; If the first infrared transceiver is one or more of the K2 infrared transceivers, the infrared conference controller is further configured to send the second audio signal to the slave conference host; The main conference host is used to send the second audio signal to the sound reinforcement device.

11. An electronic device, characterized in that: include: A processor and a memory, the processor is connected to the memory, the memory is used to store a computer program, and the processor is used to execute the computer program stored in the memory, so that the electronic device performs the method according to any one of claims 1 to 8.

12. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a computer program, and the computer program is executed by a processor to implement the method according to any one of claims 1 to 8.

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