Bluetooth low-power-consumption audio conference system

Abstract

The invention provides a Bluetooth low-power-consumption audio conference system, and the system comprises a plurality of sound boxes with an audio receiving and transmitting function, each sound box supports a Bluetooth low-power-consumption audio mode, and the sound boxes are used for collecting sound data and transmitting the sound data through broadcast signals; the listening device is used for scanning the broadcast signals, determining a target broadcast signal from the scanned broadcast signals according to a listening rule and listening the target broadcast signal; and the central control equipment is used for acquiring target sound data from the target broadcast signal listened by the listening equipment, and broadcasting the target sound data for at least one of the plurality of sound boxes to listen and play. According to the scheme, participants can speak according to requirements, and diversification of meeting requirements is met.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of Bluetooth technology, and in particular to a Bluetooth low-power audio conferencing system. Background Art

[0002] Conference systems usually use the Internet to achieve efficient and high-definition remote conferences and large-scale conferences. The current conference system usually has a speaker speaking, and other participants can usually only listen. The conference function is single and cannot meet the diverse needs in conference scenarios. Summary of the invention

[0003] The technical problem solved by the embodiments of the present invention is that the existing conference system has a single function, which is usually only capable of speaking and cannot meet the diverse needs of conference scenarios.

[0004] To solve the above technical problems, an embodiment of the present invention provides a Bluetooth low-power audio conferencing system, comprising: a plurality of speakers with audio transceiver functions, each speaker supporting a Bluetooth low-power audio mode, the speakers being used to collect sound data and send it out through a broadcast signal; a listening device being used to scan the broadcast signal, and according to a listening rule, determining and listening to a target broadcast signal from the scanned broadcast signal; and a central control device being used to obtain target sound data from the target broadcast signal listened to by the listening device, and broadcasting the target sound data for at least one of the plurality of speakers to listen to and play.

[0005] Optionally, when the listening device listens to a current broadcast signal, it determines whether the scanned broadcast signal has the authority to interrupt the current broadcast signal according to the listening rule, and determines the target broadcast signal from the broadcast signals that have the authority to interrupt the current broadcast signal.

[0006] Optionally, when the scanned broadcast signal does not have the authority to interrupt the current broadcast signal, the listening device ignores the scanned broadcast signal and continues to listen to the current broadcast signal.

[0007] Optionally, the priority of the speaker from which the broadcast signal comes is used to characterize the authority of the broadcast signal.

[0008] Optionally, the central control device is also used to dynamically adjust the listening rules according to the conference session, and each conference session has corresponding listening rules.

[0009] Optionally, the central control device determines the meeting session according to the current time; or, the central control device obtains a meeting keyword from the target broadcast signal and determines the meeting session according to the meeting keyword.

[0010] Optionally, when there are multiple target broadcast signals, the central control device is further used to merge the sound data of the multiple target broadcast signals and use the merged sound data as the target sound data.

[0011] Optionally, the central control device is suitable for determining the volume of the sound data of each broadcast signal according to the priority of the broadcast signal, and fusing multiple sound data according to the determined volume of each sound data, wherein the priority of the broadcast signal is positively correlated with the volume of the sound data of the broadcast signal.

[0012] Optionally, the speaker is further used to send out a connection broadcast in response to a speech trigger operation, and the connection broadcast is used to request the listening device to listen to the broadcast signal sent by it.

[0013] Optionally, the speaker detects a key trigger operation and determines that a speech trigger operation has been received; and / or the speaker detects that the sound reaches a sound trigger point and determines that a speech trigger operation has been received.

[0014] Optionally, when the listening device scans for broadcast signals with duplicate names, the broadcast signals with duplicate names are deduplicated according to the strength of the broadcast signals and / or the positions of the speakers from which the broadcast signals come.

[0015] Compared with the prior art, the technical solution of the embodiment of the present invention has the following beneficial effects:

[0016] Each speaker supports Bluetooth low energy audio mode, and the speaker can collect sound data and send it out through a broadcast signal. The listening device scans the broadcast signal, and according to the listening rules, determines the target broadcast signal from the scanned broadcast signal and listens to it. The central control device obtains the target sound data from the target broadcast signal listened to by the listening device, and broadcasts the target sound data for at least one of the multiple speakers to listen to and play. As a result, the speech of the participant is collected by the speaker as sound data and sent out through a broadcast signal, and then listened to by the listening device and the target sound data is broadcasted through the central control device, so that other speakers can listen and play, so that the participants can speak according to their needs and meet the diversity of conference needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of a Bluetooth low energy audio conferencing system in an embodiment of the present invention. DETAILED DESCRIPTION

[0018] As mentioned above, the current conference system usually has a speaker speaking, and other participants can usually only listen. The conference function is single and cannot meet the diverse needs in conference scenarios.

[0019] To solve the above problems, in an embodiment of the invention, each speaker supports Bluetooth low energy audio mode, and the speaker can collect sound data and send it through a broadcast signal. The listening device scans the broadcast signal, and according to the listening rules, determines the target broadcast signal from the scanned broadcast signal and listens to it. The central control device obtains the target sound data from the target broadcast signal listened to by the listening device, and broadcasts the target sound data for at least one of the multiple speakers to listen to and play. Thereby, the speech of the participant is collected by the speaker as sound data and sent through the broadcast signal, and then listened to by the listening device and the target sound data is broadcasted through the central control device, so that other speakers can listen and play, so that the participants can speak according to their needs and meet the diversity of conference needs.

[0020] In order to make the above-mentioned purposes, features and beneficial effects of the embodiments of the present invention more obvious and understandable, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0021] Reference Figure 1 , a schematic diagram of a Bluetooth low energy audio conferencing system in an embodiment of the present invention is given. Figure 1 The specific structure and working principle of the Bluetooth low energy audio conferencing system are explained.

[0022] In a specific implementation, the Bluetooth low energy audio conferencing system may include a plurality of speakers 10 with audio transceiver functions, a listening device 20 and a central control device 30 .

[0023] Each speaker 10 supports Bluetooth low energy audio mode (LE Audio auracast), and the speaker 10 is used to collect sound data and send it through a broadcast signal. The listening device 20 is used to scan the broadcast signal, and according to the listening rules, determine the target broadcast signal from the scanned broadcast signal and listen to it. The central control device 30 is used to obtain target sound data from the target broadcast signal listened to by the listening device 20, and broadcast the target sound data for at least one of the multiple speakers 10 to listen to and play.

[0024] Each speaker 10 supports the Broadcast Isochronous Streams (BIS) mode. In the BIS mode, each speaker 10 can send sound data by broadcasting. The listening device 20 scans the broadcast signal and listens to obtain the sound data.

[0025] Each speaker 10 may also support a Connected Isochronous Streams (CIS) mode. Multiple speakers 10 may establish a connection with a listening device 20. After the connection is established, the speakers 10 and the listening device 20 may transmit sound data through a dedicated channel, thereby improving data transmission security.

[0026] The speaker 10 may be integrated with a microphone to collect sound data, which may be the voice of the user when speaking.

[0027] The sound box 10 may be integrated with a speaker, and the sound data is played through the speaker.

[0028] It should be noted that the speaker 10 in the present invention is a broad speaker 10, and any speaker with sound data collection function and sound data playback function can be regarded as the speaker 10 referred to in this application, such as a microphone with sound playback function, headphones, laptop computers, tablets, etc.

[0029] With the above scheme, each speaker 10 supports Bluetooth low energy audio mode, and the speaker 10 can collect sound data and send it out through a broadcast signal. The listening device 20 scans the broadcast signal, and according to the listening rules, determines the target broadcast signal from the scanned broadcast signal and listens to it. The central control device 30 obtains the target sound data from the target broadcast signal listened to by the listening device 20, and broadcasts the target sound data for at least one of the multiple speakers 10 to listen to and play. Thus, the speech of the participant is collected by the speaker 10 as sound data and sent out through a broadcast signal, and then listened to by the listening device 20 and the target sound data is broadcasted through the central control device 30 for other speakers 10 to listen to and play, so that the participants can speak according to their needs and meet the diversified needs of the meeting.

[0030] In addition, compared with the existing wired conference system or WIFI-based conference system, the conference system composed of the speaker 10 based on the Bluetooth low-power audio mode has strong anti-interference ability, wide coverage, simple deployment, and easy use. The Bluetooth low-power audio mode uses a low complexity communications codec (Low Complexity Communications Codec, LC3) encoding scheme for sound data transmission, and the sound quality effect is higher.

[0031] In some embodiments, when the listening device 20 listens to a current broadcast signal, it determines whether the scanned broadcast signal has the authority to interrupt the current broadcast signal according to the listening rule, and determines the target broadcast signal from the broadcast signals that have the authority to interrupt the current broadcast signal.

[0032] In a specific implementation, the listening rules may be stored in the listening device 20. The listening rules may be configured through the central control device 30 or with the aid of other terminals (such as mobile phones, computers, etc.).

[0033] In a specific implementation, the listening rule may be to listen to a broadcast signal that has the authority to interrupt the current broadcast signal. One or more broadcast signals that have the authority to interrupt the current broadcast signal are selected as target broadcast signals.

[0034] In some embodiments, the priority of the speaker 10 from which the broadcast signal comes is used to characterize the authority of the broadcast signal, wherein the broadcast signal broadcast by the speaker 10 with a high priority is listened to first.

[0035] In some non-limiting embodiments, the priority of the speakers 10 can be configured according to the positions of the speakers 10. For example, the speakers 10 located at the host's position have the highest priority, and the speakers 10 located in the general participant area have the lowest priority. It should be noted that the method for determining the priority of the speakers 10 is not limited to the above examples. In practice, the venue can be divided into multiple areas according to the location layout, and the speakers 10 in different areas can be configured with corresponding priorities respectively.

[0036] In some embodiments, the configuration can be performed based on the participants using the speakers 10. Usually, the speeches of the participants in the meeting can be known in advance, and the priority of the participants can be determined based on the seating arrangement of the participants. For example, the priority of the speakers 10 for the management personnel is higher than the priority of the speakers 10 for the ordinary employees.

[0037] In a specific implementation, each speaker 10 has a corresponding tag, and the tag uniquely corresponds to the speaker 10. The tag of the speaker 10 can be carried in the broadcast signal or in the broadcast name. The speaker 10 from which the broadcast signal comes can be known through the tag, and then the priority of the speaker 10 can be known.

[0038] For example, in a typical conference scenario, the venue includes a host area, a speaker area, and a general participant area, and the priority of the speakers 10 in the host area, the priority of the speakers 10 in the speaker area, and the priority of the speakers 10 in the general participant area decrease in sequence.

[0039] For another typical conference scenario, the identities of the participants are not distinguished in the conference room, each participant can speak freely, and each speaker 10 has the same priority.

[0040] In some embodiments, when the scanned broadcast signal does not have the authority to interrupt the current broadcast signal, the listening device 20 ignores the scanned broadcast signal and continues to listen to the current broadcast signal.

[0041] In some non-limiting embodiments, a broadcast signal that does not have the authority to interrupt the current broadcast signal may include any of the following situations: the priority of the scanned broadcast signal is lower than the priority of the current broadcast signal; the priority of the scanned broadcast signal is the same as the priority of the current broadcast signal, but the current broadcast signal is configured not to be interrupted; the priority of the scanned broadcast signal is higher than the current broadcast signal, but the current broadcast signal is configured not to be interrupted.

[0042] In a specific implementation, a conference identifier may be agreed upon in advance for the conference system, and the conference identifier may be a conference name, a conference number, a designated character, and the like.

[0043] In some embodiments, the conference identifier may be carried in the broadcast signal. After the listening device 20 scans the broadcast signal, it may obtain the conference identifier from the broadcast signal.

[0044] In some other embodiments, the conference identifier may be carried in the broadcast name. The conference identifier is obtained from the broadcast name of the received broadcast signal.

[0045] In a specific implementation, the conference identifier is used to determine whether the broadcast signal is emitted by the speaker 10 belonging to the conference system. If it is not emitted by the speaker 10 belonging to the conference system, it is ignored. If it is emitted by the speaker 10 belonging to the conference system, the target broadcast signal is determined.

[0046] In a specific implementation, the central control device 30 can dynamically adjust the listening rules according to the conference session, and each conference session has corresponding listening rules.

[0047] In specific implementation, the conference sessions may include a host speech session, a designated spokesperson speech session, a free discussion session, etc. The types of conference sessions included in each meeting and the layout of each conference session are configured according to actual meeting needs.

[0048] The conference session is the host's speech session, and the corresponding listening rule may be that the host's speaker 10 has the highest priority, and the broadcast signal emitted by the host's speaker 10 can interrupt the broadcast signal emitted by other speakers 10. At this time, the broadcast signal listened to by the listening device 20 comes from the host's speaker 10, and all speakers 10 play the voice of the supporter.

[0049] The conference session is a designated speaker speech session, and the corresponding listening rule may be that the designated speaker's speaker 10 has the highest priority, or the designated speaker's speaker 10 and the host's speaker 10 have the same priority, or the designated speaker's speaker 10 has a priority only lower than the host's speaker 10.

[0050] The conference session is a free discussion session, and the corresponding listening rules may be that the priority of the speakers 10 of all participants is the same, or the speaker 10 of the host has the highest priority, and the speakers 10 of participants other than the host have the same priority. Broadcast signals of the same priority can interrupt the current broadcast signal so that participants can speak freely, and the speech can be heard by other participants. Furthermore, the conference rules may also include that if the current broadcast signal continues without broadcasting data for a preset period of time, the current broadcast signal will be disconnected, so that the broadcast signals emitted by other speakers 10 can be heard by the listening device 20 in time.

[0051] The central control device 30 determines the conference link according to the current time. For example, each conference link can be configured with a corresponding time period, and the current conference link is determined according to the current time.

[0052] The central control device 30 obtains conference keywords from the target broadcast signal and determines conference links according to the conference keywords.

[0053] For example, extract the information "Zhang San will speak next" from the target broadcast signal, and determine the meeting session as the designated speaker speech session based on the conference keyword "Zhang San speaks". For another example, extract the information "Let's discuss freely now" from the target broadcast signal, and determine the meeting session as the free discussion session based on the conference keyword "free discussion".

[0054] In a specific implementation, when there are multiple target broadcast signals, the central control device 30 may further merge the sound data of the multiple target broadcast signals and use the merged sound data as the target sound data.

[0055] The central control device 30 can determine the volume of the sound data of the broadcast signal according to the priority of each broadcast signal, and merge multiple sound data according to the determined volume of each sound data, wherein the priority of the broadcast signal is positively correlated with the volume of the sound data of the broadcast signal. In this way, by determining the volume of the sound in the target sound data according to the priority of the broadcast signal, the speech of important personnel can be made clearer to highlight the speech of important personnel, and the speech of other personnel can also be heard at the same time. In this way, the authenticity of the conference system's simulation of the real conference scene can be improved.

[0056] In a specific implementation, the speaker 10 is also used to send out a connection broadcast in response to a speech trigger operation, and the connection broadcast is used to request the listening device 20 to listen to the broadcast signal sent out by it.

[0057] In some embodiments, the speaker 10 detects a key trigger operation and determines that a speech trigger operation has been received. Specifically, a physical key or a virtual key may be provided on the speaker 10. When a participant wants to speak, the physical key or the virtual key is first triggered. When the triggering of the physical key or the virtual key is detected, it is determined that a speech trigger operation has been received.

[0058] In other embodiments, the speaker 10 detects that the sound reaches the sound trigger point and determines that a speech trigger operation has been received. Specifically, the speaker 10 continuously collects ambient sound, and when it detects that the sound pressure reaches a set sound pressure threshold, that is, the sound reaches the sound trigger point, it determines that a speech trigger operation has been received. At this time, when the participant wants to speak, he can speak directly without performing other operations before speaking, which can improve the convenience of speaking.

[0059] In a specific implementation, when the listening device 20 scans a broadcast signal with a duplicate name, the broadcast signal with a duplicate name is deduplicated according to the strength of the broadcast signal and / or the position of the speaker 10 from which the broadcast signal comes. By deduplicating the broadcast signal with a duplicate name, the smooth progress of the meeting can be ensured and the security of the meeting can be improved.

[0060] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A Bluetooth low energy audio conferencing system, characterized in that: include: A plurality of speakers with audio transceiver functions, each of which supports Bluetooth low energy audio mode, and is used to collect sound data and send it out through broadcast signals; A listening device, used to scan broadcast signals and determine and listen to a target broadcast signal from the scanned broadcast signals according to a listening rule; The central control device is used to obtain target sound data from the target broadcast signal listened to by the listening device, and broadcast the target sound data for at least one of the multiple speakers to listen to and play.

2. The Bluetooth low energy audio conferencing system according to claim 1, characterized in that: When the listening device listens to a current broadcast signal, it determines whether the scanned broadcast signal has the authority to interrupt the current broadcast signal according to the listening rule, and determines the target broadcast signal from the broadcast signals that have the authority to interrupt the current broadcast signal.

3. The Bluetooth low energy audio conferencing system as claimed in claim 2, characterized in that: When the scanned broadcast signal does not have the authority to interrupt the current broadcast signal, the listening device ignores the scanned broadcast signal and continues to listen to the current broadcast signal.

4. The Bluetooth low energy audio conferencing system as claimed in claim 2, characterized in that: The authority of the broadcast signal is represented by the priority of the speaker from which the broadcast signal comes.

5. The Bluetooth low energy audio conferencing system according to claim 1, characterized in that: The central control device is also used to dynamically adjust the listening rules according to the conference session, and each conference session has corresponding listening rules.

6. The Bluetooth low energy audio conferencing system as claimed in claim 5, characterized in that: The central control device determines the conference session according to the current time; or, the central control device obtains conference keywords from the target broadcast signal and determines the conference session according to the conference keywords.

7. The Bluetooth low energy audio conferencing system according to claim 1, characterized in that: When there are multiple target broadcast signals, the central control device is further used to merge the sound data of the multiple target broadcast signals and use the merged sound data as the target sound data.

8. The Bluetooth low energy audio conferencing system as claimed in claim 7, characterized in that: The central control device is suitable for determining the volume of the sound data of each broadcast signal according to the priority of the broadcast signal, and fusing multiple sound data according to the determined volume of each sound data, wherein the priority of the broadcast signal is positively correlated with the volume of the sound data of the broadcast signal.

9. The Bluetooth low energy audio conferencing system according to claim 1, characterized in that: The speaker is also used to send out a connection broadcast in response to a speech triggering operation, and the connection broadcast is used to request the listening device to listen to the broadcast signal sent out by it.

10. The Bluetooth low energy audio conferencing system according to claim 9, characterized in that: The speaker detects a key trigger operation and determines that a speech trigger operation is received; and / or the speaker detects that the sound reaches a sound trigger point and determines that a speech trigger operation is received.

11. The Bluetooth low energy audio conferencing system according to claim 1, characterized in that: When the listening device scans for broadcast signals with duplicate names, the broadcast signals with duplicate names are deduplicated according to the strength of the broadcast signals and / or the positions of the speakers from which the broadcast signals come.

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