Phased array sound column self-test system, method, device and storage medium

Abstract

The present invention relates to the field of audio technology, and in particular to a phased array sound column self-test system, method, device and storage medium, comprising: a digital signal processing module, a signal output module, a signal switch module and a signal generator module connected in sequence, the signal output module comprising a multi-channel signal output unit in parallel, the signal switch module comprising a plurality of signal switches in parallel, each signal output unit correspondingly connected to a signal switch, the signal generator module comprising at least one signal generator; and also comprising a main control module connected to the signal switch module. The present invention realizes the self-test of the sound column output through the signal generator and the signal switch connected to each signal output unit one by one, solves the problem that the existing phased array sound column cannot automatically detect the working state of the output of the speaker, etc., and has the advantages of high detection efficiency and low detection cost.

Description

Technical Field

[0001] The present invention relates to the field of audio technology, and in particular to a phased array sound column self-test system, method, device and storage medium. Background Art

[0002] The phased array sound column is composed of multiple drive units, including six-way, eight-way, ten-way to twenty-four-way drive units. The drive unit is a playback unit, such as a speaker unit. At present, the phased array sound column is generally installed in the air in various places of use. Due to the long-term use of the phased array sound column, such as five or ten years, a certain drive unit may be damaged, thereby affecting the output of the directional effect of the phased array sound column, and the user cannot judge whether all the drive units in the sound column are working properly. Therefore, how to realize the automatic detection of the output of the phased array sound column has become a problem that needs to be solved urgently. Summary of the invention

[0003] The present invention provides a phased array sound column self-detection system, method, device and storage medium, which solves the technical problem that the existing phased array sound column cannot automatically detect the working status of the output of a speaker or the like.

[0004] In order to solve the above technical problems, the present invention provides a phased array sound column self-test system, method, device and storage medium.

[0005] In a first aspect, the present invention provides a phased array sound column self-test system, the system comprising: a digital signal processing module, a signal output module, a signal switch module and a signal generator module connected in sequence, the signal output module comprising a multi-channel signal output unit connected in parallel, the signal switch module comprising a plurality of signal switches connected in parallel, each signal output unit correspondingly connected to a signal switch, the signal generator module comprising at least one signal generator; and further comprising a main control module connected to the signal switch module;

[0006] The main control module is used to obtain a self-test request sent by a user, and send control instructions to each signal switch in the signal switch module in turn according to the self-test request;

[0007] The signal switch module is used to adjust the switching state of the corresponding signal switch within a preset switching cycle according to the control instruction, so that the signal generator module generates a waveform output signal of the corresponding frequency according to the switching state of the corresponding signal switch, and sends the waveform output signal to the signal output module.

[0008] In a further embodiment, the signal generator module includes a single fixed frequency signal generator connected to each of the signal switches;

[0009] or,

[0010] The signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch.

[0011] In a further embodiment, the signal generator comprises a sine wave signal generator.

[0012] In a further embodiment, the signal output module is used to receive and send out a waveform output signal of a corresponding frequency generated by the signal generator module.

[0013] In a further embodiment, the system further comprises a signal detection module, wherein the signal detection module is electrically connected to the signal output module;

[0014] The signal detection module is used to detect the waveform output signal, obtain waveform signal characteristics, and determine the working state of each of the signal output units according to the waveform signal characteristics;

[0015] The waveform signal characteristics include the number and frequency of the waveform output signal emitted.

[0016] In a further embodiment, the signal output unit comprises a speaker unit.

[0017] In a second aspect, the present invention provides a phased array sound column self-test method, the method comprising the following steps:

[0018] Obtaining a self-test request sent by a user, and generating a control instruction according to the self-test request;

[0019] The switch states of the respective signal switches are adjusted in sequence within a preset switching cycle according to the control instruction, so that the signal generator module generates a waveform output signal of a corresponding frequency according to the switch state of the corresponding signal switch.

[0020] In a further embodiment, the signal generator module includes a single fixed frequency signal generator connected to each of the signal switches;

[0021] or,

[0022] The signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch.

[0023] In a third aspect, the present invention further provides a computer device, comprising a processor and a memory, wherein 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 computer device performs the steps of implementing the above method.

[0024] In a fourth aspect, the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program implements the steps of the above method when executed by a processor.

[0025] The present invention provides a phased array sound column self-test system, method, device and storage medium. The system realizes the self-test function of the corresponding signal output line in the phased array sound column by means of a signal generator module and a main control module provided in the phased array sound column, and the signal generator module acts on a single independent signal switch provided in each signal output line. Compared with the prior art, the system realizes the automatic detection of the output of the phased array sound column speaker, etc., and the system provided by the present invention has the advantages of simple structure, low operation cost and wide adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a block diagram of a phased array sound column self-test system provided by an embodiment of the present invention;

[0027] Figure 2 is a schematic diagram of a signal generator module provided by an embodiment of the present invention;

[0028] Figure 3 It is a self-checking working logic diagram provided by an embodiment of the present invention;

[0029] Figure 4 is a schematic diagram of a signal generator module provided by another embodiment of the present invention;

[0030] Figure 5 is a self-checking working logic diagram provided by another embodiment of the present invention;

[0031] Figure 6 It is a schematic flow chart of a phased array sound column self-test method provided by an embodiment of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure of a computer device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0033] The following specifically illustrates the implementation mode of the present invention in conjunction with the accompanying drawings. The embodiments are provided for illustrative purposes only and cannot be understood as limiting the present invention. The accompanying drawings are provided for reference and illustration only and do not constitute a limitation on the scope of patent protection of the present invention, because many changes can be made to the present invention without departing from the spirit and scope of the present invention.

[0034] refer to Figure 1 , the embodiment of the present invention provides a phased array sound column self-test system, which can be applied to all audio products, such as Figure 1As shown, the system includes: a digital signal processing module 10, a signal output module 11, a signal switch module 12 and a signal generator module 13 connected in sequence, the signal output module 11 includes a plurality of signal output units connected in parallel, the signal switch module 12 includes a plurality of signal switches connected in parallel, each signal output unit is connected to a corresponding signal switch, the signal generator module 13 includes at least one signal generator; and also includes a main control module 14 connected to the signal switch module 12.

[0035] In this embodiment, the digital signal processing module 10 is used to perform digital signal processing on the acquired sound source signal, and send the processed sound source signal to the signal output module 12 so as to output the processed sound source signal through the signal output module 12 .

[0036] In one embodiment, the main control module 13 is used to obtain a self-test request sent by a user, and send control instructions to each signal switch in the signal switch module in sequence according to the self-test request.

[0037] In one embodiment, the signal switch module 12 is used to adjust the switching state of the corresponding signal switch within a preset switching cycle according to the control instruction, so that the signal generator module generates a waveform output signal of the corresponding frequency according to the switching state of the corresponding signal switch, and sends the waveform output signal to the signal output module; in this embodiment, the default state of each of the signal switches is the switch disconnected state.

[0038] In one embodiment, the signal output module 11 is used to receive and send out a waveform output signal of a corresponding frequency generated by the signal generator module.

[0039] In one embodiment, Figure 2 As shown, the signal generator module includes a single fixed-frequency signal generator connected to each of the signal switches, wherein the signal generator includes a sine wave signal generator; the single fixed-frequency signal generator is used to emit a preset fixed-frequency sine wave signal according to the switching state of the corresponding signal switch.

[0040] exist Figure 2 In the invention, a single fixed-frequency signal generator acts on all signal output lines of the phased array sound column. At the same time, an independent signal switch is arranged in each signal output line of the phased array sound column acted by the signal generator, and each signal switch is controlled by the main control module MCU.

[0041] Specifically, Figure 3As shown, when the signal generator module includes a single fixed-frequency signal generator connected to each of the signal switches, during the phased array sound column performs a self-test function, the main control module MCU of the phased array sound column sends an on instruction or an off instruction to the signal switch of each line in the DSP (digital processing technology) chip in sequence within a preset switching cycle, and the signal switch judges the received instruction sent by the main control module MCU to connect or disconnect the single fixed-frequency signal generator, so that a preset fixed-frequency sine wave signal is generated by the signal generator, and the sine wave signal is output through the signal output unit corresponding to the signal switch. In this embodiment, the preset switching cycle is preferably set to 1s; in this embodiment, the signal output unit includes a speaker unit, and the user can judge whether the speaker units of all lines of the phased array sound column are working normally according to the number of sine wave signals sent. For example: a phased array sound column has N speaker units, and the user should hear N sine wave signals, and so on.

[0042] In this embodiment, a fixed-frequency sine wave signal generator is set in the phased array sound column, and each signal switch is controlled in turn by the main control module MCU to realize the sine wave signal output of the corresponding line, thereby realizing the self-test function of the corresponding speaker unit, so that the user can know whether all the speaker units of the sound column are working normally according to the self-test function, thereby ensuring the integrity of the directional effect output of the phased array sound column.

[0043] In another embodiment, if Figure 4 As shown, the signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch; wherein the signal generator includes a sine wave signal generator; in this embodiment, the signal generator with different frequencies is used to emit a sine wave signal with a frequency corresponding to the signal generator according to the switching state of the signal switch connected thereto.

[0044] exist Figure 4 In the invention, a sine wave signal generator with different frequencies is arranged on each output line, and the signal generators with different frequencies act on the signal output lines corresponding to the phased array sound column. At the same time, an independent signal switch is arranged in each signal output line of each signal generator acting on the phased array sound column, and each signal switch is controlled by the main control module MCU.

[0045] Specifically, Figure 5As shown, when the signal generator module includes at least two signal generators with different frequencies, during the self-test function of the phased array sound column, the main control module MCU of the phased array sound column sends an on instruction or an off instruction to the signal switch of each line in the DSP chip in turn within a preset switching period, and the signal switch judges the received instruction sent by the main control module MCU to connect or disconnect the different frequency signal generators on the corresponding line, and in the on state, a sine wave signal of a corresponding frequency is generated by the signal generator on the corresponding line, and the sine wave signal is output through the signal output unit on the line. In this embodiment, the preset switching period is preferably set to 1s; in this embodiment, the signal output unit includes a speaker unit, and the user can judge whether the speaker unit on each line of the phased array sound column is working normally according to the sine wave signals of different frequencies emitted, for example: a phased array sound column has N speaker units, and the user should hear N sine wave signals of different frequencies, and so on; at the same time, the user can also accurately judge which speaker unit is damaged or working abnormally according to the sine wave signal of a specific frequency of the speaker unit.

[0046] In this embodiment, a sine wave signal generator with a different frequency is set in each signal output line, and the sine wave signal generator with different frequencies is controlled by the main control module and the signal switch to output the sine wave signal of the corresponding frequency, so that the user can accurately determine which speaker unit is damaged or malfunctioning according to the specific sine wave signal frequency of each speaker unit, thereby realizing the self-check function of the corresponding speaker unit.

[0047] It should be noted that those skilled in the art may set the type of the signal generator and the frequency of the signal generator according to specific implementation conditions, which is not limited to the present invention.

[0048] In another embodiment, the phased array sound column self-test system provided in this embodiment further includes a signal detection module, and the signal detection module is electrically connected to the signal output module.

[0049] In this embodiment, the signal detection module is used to receive and detect the waveform output signal output by the signal output module, obtain waveform signal characteristics, and determine which speaker unit is damaged or operative abnormally based on the waveform signal characteristics, wherein the waveform signal characteristics include the number of waveform output signals emitted and the different frequencies corresponding to the waveform output signals.

[0050] The embodiment of the present invention provides a phased array sound column self-test system, which realizes an automatic detection method of the signal output unit through a signal output module, a signal switch module, a signal generator module and a main control module, so that the user can determine whether each signal output unit of the phased array sound column is working normally through the self-test system, ensuring that the phased array sound column has a complete directional effect output. Compared with the prior art, this embodiment can quickly and accurately perform automatic detection on the signal output unit of the phased array sound column, has good stability and is simple to operate and maintain.

[0051] In one embodiment, Figure 6 As shown, an embodiment of the present invention provides a phased array sound column self-test method, the method comprising the following steps:

[0052] S1. Obtain a self-test request sent by a user and generate a control instruction according to the self-test request;

[0053] S2. According to the control instruction, the switch state of each signal switch is adjusted in sequence within a preset switching cycle, so that the signal generator module generates a waveform output signal of a corresponding frequency according to the switch state of the corresponding signal switch.

[0054] In one embodiment, the signal generator module includes a single fixed frequency signal generator connected to each of the signal switches;

[0055] or,

[0056] The signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch.

[0057] It should be noted that the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0058] For the specific definition of a phased array sound column self-test method, please refer to the above-mentioned definition of a phased array sound column self-test system, which will not be repeated here. A person of ordinary skill in the art can appreciate that the various modules and steps described in conjunction with the embodiments disclosed in this application can be implemented in hardware, software, or a combination of both. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of this application.

[0059] The embodiment of the present invention provides a phased array sound column self-test method, which adjusts the switch state of each signal switch in sequence within a preset switching cycle so that the signal generator module generates a waveform output signal of a corresponding frequency according to the switch state of the corresponding signal switch, and realizes efficient automatic detection of the output line of the phased array sound column according to the output waveform output signal. The self-test function implemented in this embodiment can determine whether each output of the sound column is working properly, ensuring that the phased array sound column has a complete directional effect output.

[0060] Figure 7 A computer device provided by an embodiment of the present invention includes a memory, a processor and a transceiver, which are connected via a bus; the memory is used to store a set of computer program instructions and data, and can transmit the stored data to the processor, and the processor can execute the program instructions stored in the memory to perform the steps of the above method.

[0061] The memory may include a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories; the processor may be a central processing unit, a microprocessor, an application-specific integrated circuit, a programmable logic device, or a combination thereof. By way of example but not limitation, the programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic, or any combination thereof.

[0062] Additionally, the memory may be a physically separate unit or may be integrated with the processor.

[0063] It can be understood by those skilled in the art that Figure 7 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have the same component arrangement.

[0064] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above method are implemented.

[0065] The embodiments of the present invention provide a phased array sound column self-test system, method, device and storage medium. The phased array sound column self-test system realizes automatic detection of the output line by setting a sine wave signal generator in each signal output line and setting an independent signal switch in each signal output of the signal generator, and controlling the signal switch through a main control module. The system structure provided by this embodiment is simple and easy to implement, and can realize online screening of abnormal output of the phased array sound column.

[0066] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present invention is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., an SSD), etc.

[0067] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing related hardware through a computer program. The computer program can be stored in a computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods.

[0068] The above-mentioned embodiments only express several preferred implementation modes of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in the technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be regarded as the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be based on the protection scope of the claims.

Claims

1. A phased array sound column self-test system, characterized in that: include: A digital signal processing module, a signal output module, a signal switch module and a signal generator module connected in sequence, wherein the signal output module includes a plurality of signal output units connected in parallel, the signal switch module includes a plurality of signal switches connected in parallel, each signal output unit is connected to a corresponding signal switch, and the signal generator module includes at least one signal generator; further comprising a main control module connected to the signal switch module; and further comprising a signal detection module, wherein the signal detection module is electrically connected to the signal output module; The main control module is used to obtain a self-test request sent by a user, and send control instructions to each signal switch in the signal switch module in turn according to the self-test request; The signal switch module is used to adjust the switch state of the corresponding signal switch within a preset switching cycle according to the control instruction, so that the signal generator module generates a waveform output signal of a corresponding frequency according to the switch state of the corresponding signal switch, and sends the waveform output signal to the signal output module; The signal detection module is used to detect the waveform output signal, obtain waveform signal characteristics, and determine the working state of each of the signal output units according to the waveform signal characteristics; the waveform signal characteristics include the number and frequency of the waveform output signal sent; The signal generator module includes a single fixed frequency signal generator connected to each of the signal switches; Alternatively, the signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch.

2. A phased array sound column self-test system as claimed in claim 1, characterized in that: The signal generator comprises a sine wave signal generator.

3. A phased array sound column self-test system as claimed in claim 1, characterized in that: The signal output module is used to receive and send out a waveform output signal of a corresponding frequency generated by the signal generator module.

4. A phased array sound column self-test system as claimed in claim 1, characterized in that: The signal output unit includes a speaker unit.

5. A phased array sound column self-test method, characterized in that: Using the phased array sound column self-test system as described in any one of claims 1 to 4, the method comprises the following steps: Obtaining a self-test request sent by a user, and generating a control instruction according to the self-test request; The switch states of the respective signal switches are adjusted in sequence within a preset switching cycle according to the control instruction, so that the signal generator module generates a waveform output signal of a corresponding frequency according to the switch state of the corresponding signal switch.

6. A phased array sound column self-test method as claimed in claim 5, characterized in that: The signal generator module includes a single fixed frequency signal generator connected to each of the signal switches; or, The signal generator module includes at least two signal generators with different frequencies, and each signal generator with different frequencies is connected to a corresponding signal switch.

7. A computer device, characterized in that: The computer device comprises a processor and a memory, wherein 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 computer device executes the method according to any one of claims 5 to 6.

8. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 5 to 6 is implemented.

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