CN114237545B - Audio input method and device, electronic equipment and storage medium - Google Patents

Abstract

The disclosure provides an audio input method, an audio input device, electronic equipment and a storage medium, and relates to the field of artificial intelligence, in particular to a voice technology. The specific implementation scheme is as follows: receiving audio data sent by N audio input units cascaded in a Time Division Multiplexing (TDM) mode; wherein N is a natural number greater than 1; merging the audio data sent by the N audio input units into N paths of audio data in a multi-path channel; and inputting the N paths of audio data into the audio receiving unit through the TDM audio input interface. The embodiment of the application can realize multi-channel audio cascade input through one TDM audio input interface without adding an additional chip circuit, thereby reducing the complexity of circuit design and lowering the product cost.

Description

An audio input method, device, electronic equipment and storage medium

technical field

The present disclosure relates to the technical field of artificial intelligence, and further relates to speech technology, especially an audio input method, device, electronic equipment and storage medium.

Background technique

With the popularity of intelligent voice technology, the number of microphones and speakers on voice products is increasing. Multiple microphones can form a microphone array, and the sound quality of multiple speakers will be better. Therefore, it often happens that the audio input port of the CPU in the device is not enough. At this time, it is necessary to add an additional circuit design to meet the needs of the product.

In the prior art, when the reference signals of multi-channel microphones and multi-channel speakers are input to the CPU, the following methods are generally adopted: 1) the reference signals of analog microphones and speakers are passed through an analog-to-digital converter (Analog-to-Digital Converter, referred to as ADC) After that, connect to different audio input interfaces of the CPU respectively. When this solution needs to access the reference signals of multiple microphones and multiple speakers, the audio input interface of the CPU is not enough. 2) Additional chip circuits, such as Field Programmable Gate Array (FPGA for short) or Microcontroller Unit (MCU for short), recombine the reference signals of the microphone and the speaker, and then pass the serial external Provide high-speed interfaces such as Serial Peripheral Interface (SPI for short) to the CPU. This solution needs to add an extra chip circuit, the design complexity is high, and the cost is increased.

Contents of the invention

The disclosure provides an audio input method, device, electronic equipment and storage medium.

In a first aspect, the present application provides an audio input method, the method comprising:

Receive audio data sent by N audio input units cascaded in a time-division multiplexing TDM manner; wherein, N is a natural number greater than 1;

Merge the audio data sent by the N audio input units into N audio data in one multi-channel;

The N channels of audio data are input to the audio receiving unit through the TDM audio input interface.

In a second aspect, the present application provides an audio input device, the device comprising: a receiving module, a combining module and an input module; wherein,

The receiving module is configured to receive audio data sent by N audio input units cascaded in a TDM manner; wherein, N is a natural number greater than 1;

The merging module is used to merge the audio data sent by the N audio input units into N channels of audio data in one multi-channel channel;

The input module is configured to input the N channels of audio data into the audio receiving unit through a TDM audio input interface.

In a third aspect, the embodiment of the present application provides an electronic device, including:

one or more processors;

memory for storing one or more programs,

When the one or more programs are executed by the one or more processors, the one or more processors implement the audio input method described in any embodiment of the present application.

In a fourth aspect, an embodiment of the present application provides a storage medium, on which a computer program is stored, and when the program is executed by a processor, the audio input method described in any embodiment of the present application is implemented.

In a fifth aspect, a computer program product is provided. When the computer program product is executed by a computer device, the audio input method described in any embodiment of the present application is implemented.

According to the technology of the present application, the reference signals of analog microphones and speakers in the prior art are respectively connected to different audio input interfaces of the CPU after passing through the analog-to-digital converter ADC, resulting in the technical problem that the audio input interface of the CPU is not enough. As well as the need to add additional chip circuits, resulting in high design complexity and technical problems of cost increase. The technical solution provided by this application can realize multi-channel audio cascading input through a TDM audio input interface without adding additional chip circuits, reducing circuit design complexity and product cost.

It should be understood that what is described in this section is not intended to identify key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will be readily understood through the following description.

Description of drawings

The accompanying drawings are used to better understand the present solution, and do not constitute a limitation to the present disclosure. in:

Fig. 1 is a schematic flow chart of a first audio input method provided by an embodiment of the present application;

Fig. 2 is a second schematic flowchart of the audio input method provided by the embodiment of the present application;

FIG. 3 is a schematic flowchart of a third audio input method provided by an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an audio input system provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram of an audio input device provided by an embodiment of the present application;

Fig. 6 is a block diagram of an electronic device used to implement the audio input method of the embodiment of the present application.

Detailed ways

Exemplary embodiments of the present disclosure are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Embodiment one

Fig. 1 is a schematic flow chart of the first audio input method provided by the embodiment of the present application. The method can be executed by an audio input device or an electronic device, and the device or electronic device can be implemented by software and/or hardware. The device or Electronic devices can be integrated in any smart device with network communication function. As shown in Figure 1, the audio input method may include the following steps:

S101. Receive audio data sent by N audio input units cascaded in a TDM manner; wherein, N is a natural number greater than 1.

In this step, the electronic device can receive audio data sent by N audio input units cascaded in a Time-Division Multiplexing (TDM) manner; wherein, N is a natural number greater than 1. Specifically, if the audio data sent by N audio input units is analog audio data, the electronic device can receive the analog audio data sent by N audio input units through N ADCs; wherein, N ADCs are cascaded in TDM mode; N The audio input units send analog audio data through their corresponding audio transmission channels; and then convert the analog audio data sent by the N audio input units into digital audio data. Optionally, if the audio data sent by the N audio input units is analog audio data, the electronic device can receive the analog audio data sent by the N audio input units through any one of the N ADCs; wherein, the N ADCs use TDM mode cascading; N audio input units send digital audio data through their corresponding TDM channels; then convert the analog audio data sent by N audio input units into digital audio data through any ADC.

S102. Combine the audio data sent by the N audio input units into N channels of audio data in one multi-channel.

In this step, the electronic device can combine the audio data sent by N audio input units into N channels of audio data in one multi-channel. Specifically, the electronic device can combine the audio data sent by N audio input units into N channels of audio data in multiple channels according to the preset channel configuration; or configure a corresponding channel for the audio data sent by each audio input unit A TDM channel, through which the audio data sent by the corresponding audio input unit is set as one channel of audio data in the multiple channels.

S103. Input N channels of audio data into the audio receiving unit through the TDM audio input interface.

In this step, the electronic device can input N channels of audio data into the audio receiving unit through the TDM audio input interface. The audio input unit in the embodiment of the present application may include: an analog audio input unit and a digital audio input unit; wherein, the audio data sent by the analog audio input unit is analog audio data; the audio data sent by the digital audio input unit is digital audio data; The analog audio input unit can be a speaker and an analog microphone; the digital audio input unit can be a digital microphone. Optionally, the electronic device can combine the audio data of N speakers into audio data in multiple channels; it can also combine the audio data of N microphones into audio data in multiple channels; it can also combine the audio data of N speakers The audio data of and the audio data of N microphones are simultaneously combined into audio data in multiple channels.

The audio input method proposed in the embodiment of the present application first receives the audio data sent by N audio input units cascaded in TDM mode; data; and then input N channels of audio data into the audio receiving unit through the TDM audio input interface. That is to say, this application can make full use of the TDM cascade feature of the audio input unit, and mount the audio data sent by multiple audio input units on one TDM audio input interface without adding additional chip circuits. In the existing audio input method, the reference signals of the analog microphone and the speaker are respectively connected to different audio input interfaces of the CPU after passing through the ADC; or an additional chip circuit is added. Because the application adopts the technical means of combining the audio data sent by N audio input units into N audio data in one multi-channel, and inputting the N audio data to the audio receiving unit through the TDM audio input interface, it overcomes the In the prior art, the reference signals of analog microphones and speakers are respectively connected to different audio input interfaces of the CPU after passing through the analog-to-digital converter ADC, which leads to the technical problem that the audio input interface of the CPU is not enough, and additional chip circuits need to be added , the resulting technical problems of high design complexity and cost increase, the technical solution provided by this application can realize multi-channel audio cascade input through a TDM audio input interface, without adding additional chip circuits, reducing the complexity of circuit design The cost of the product is reduced; moreover, the technical solution of the embodiment of the application is simple and convenient to implement, easy to popularize, and has a wider scope of application.

Embodiment two

Fig. 2 is a second schematic flowchart of the audio input method provided by the embodiment of the present application. Further optimization and expansion based on the above technical solution, and may be combined with each of the above optional implementation modes. As shown in Figure 2, the audio input method may include the following steps:

S201. If the audio data sent by the N audio input units is analog audio data, then receive the analog audio data sent by the N audio input units through N ADCs; wherein, the N ADCs are cascaded in a TDM manner; the N audio input units Send analog audio data through their respective audio transmission channels.

In this step, if the audio data sent by the N audio input units is analog audio data, the electronic device can receive the analog audio data sent by the N audio input units through N ADCs; wherein, the N ADCs are cascaded in a TDM manner ; N audio input units send analog audio data through their corresponding audio transmission channels. Specifically, the electronic device can receive the analog audio data sent by the first speaker through AD1; receive the analog audio data sent by the second speaker through ADC2; ...; receive the analog audio data sent by the Nth speaker through ADC N; wherein, N is a natural number greater than 1.

S202. Convert the analog audio data sent by the N audio input units into digital audio data.

In this step, the electronic device can convert the analog audio data sent by the N audio input units into digital audio data; wherein, the N audio input units send the analog audio data through their corresponding audio transmission channels. Specifically, the electronic device can convert the analog audio data sent by the first speaker into a digital audio signal through ADC1; convert the analog audio data sent by the second speaker into a digital audio signal through ADC2; ...; convert the Nth speaker through ADC N The analog audio data sent by a speaker is converted into a digital audio signal.

S203. Merge the converted digital audio data into N channels of audio data in one multi-channel.

S204. Input N channels of audio data into the audio receiving unit through the TDM audio input interface.

In a specific embodiment of the present application, if the audio data sent by the N audio input units is digital audio data, the electronic device can receive the digital audio data sent by the N audio input units through any one of the N ADCs; , N ADCs are cascaded in TDM mode; N audio input units send digital audio data through their corresponding TDM channels; then the audio data sent by N audio input units are combined into N audio data in one multi-channel; Then input N channels of audio data to the audio receiving unit through the TDM audio input interface.

The audio input method proposed in the embodiment of the present application first receives the audio data sent by N audio input units cascaded in TDM mode; data; and then input N channels of audio data into the audio receiving unit through the TDM audio input interface. That is to say, this application can make full use of the TDM cascade feature of the audio input unit, and mount the audio data sent by multiple audio input units on one TDM audio input interface without adding additional chip circuits. In the existing audio input method, the reference signals of the analog microphone and the speaker are respectively connected to different audio input interfaces of the CPU after passing through the ADC; or an additional chip circuit is added. Because the application adopts the technical means of combining the audio data sent by N audio input units into N audio data in one multi-channel, and inputting the N audio data to the audio receiving unit through the TDM audio input interface, it overcomes the In the prior art, the reference signals of analog microphones and speakers are respectively connected to different audio input interfaces of the CPU after passing through the analog-to-digital converter ADC, which leads to the technical problem that the audio input interface of the CPU is not enough, and additional chip circuits need to be added , the resulting technical problems of high design complexity and cost increase, the technical solution provided by this application can realize multi-channel audio cascade input through a TDM audio input interface, without adding additional chip circuits, reducing the complexity of circuit design The cost of the product is reduced; moreover, the technical solution of the embodiment of the application is simple and convenient to implement, easy to popularize, and has a wider scope of application.

Embodiment three

Fig. 3 is a schematic flowchart of a third audio input method provided by an embodiment of the present application. Further optimization and expansion based on the above technical solution, and may be combined with each of the above optional implementation modes. As shown in Figure 3, the audio input method may include the following steps:

S301. If the audio data sent by the N audio input units is analog audio data, receive the analog audio data sent by the N audio input units through any one of the N ADCs; wherein, the N ADCs are cascaded in a TDM manner; The N audio input units send analog audio data through their corresponding TDM channels.

In this step, if the audio data sent by the N audio input units is analog audio data, the electronic device can receive the analog audio data sent by the N audio input units through any one of the N ADCs; wherein, the N ADCs Cascade in TDM mode; N audio input units send analog audio data through their corresponding TDM channels. Specifically, the electronic device may receive, through the ACD1, the analog audio data sent by the N microphones through their corresponding TDM channels.

S302. Using any ADC, convert the analog audio data sent by the N audio input units into digital audio data respectively.

In this step, the electronic device can respectively convert the analog audio data sent by the N audio input units into digital audio data through any ADC. Specifically, the electronic device can convert the analog audio data sent by microphone 1 through TDM channel 1 into digital audio data through ADC1; convert the analog audio data sent by microphone 2 through TDM channel 2 into digital audio data through ADC1; ...; through ADC1 Converts the analog audio data sent by the microphone N through the TDM channel N into digital audio data.

S303. Merge the converted digital audio data into N channels of audio data in one multi-channel.

S304. Input N channels of audio data into the audio receiving unit through the TDM audio input interface.

Fig. 4 is a schematic structural diagram of an audio input system provided by an embodiment of the present application. As shown in Figure 4, the system may include an audio receiving unit, N speakers, and N ADCs; wherein, the N speakers are speaker 1, speaker 2, ..., speaker N; the N ADCs are ADC1, ADC2, ... , ADC N; N ADCs are connected in TDM cascading mode; among them, speaker 1 sends the analog audio data to ADC1; speaker 2 sends the analog audio signal to ADC2; ...; speaker N sends its The emitted analog audio signal is sent to ADC N. ADC1 converts the analog audio data sent by speaker 1 into corresponding digital audio data; ADC2 converts the analog audio data sent by speaker 2 into corresponding digital audio data; ...; ADC N converts the analog audio data sent by speaker N into corresponding Digital audio data; then the digital audio data converted by the N ADCs are combined into N channels of audio data in one multi-channel; and then the N channels of audio data are input into the audio receiving unit through the TDM audio input interface. In addition, the system may also include N microphones, which are respectively: microphone 1, microphone 2, ..., microphone N; N microphones are connected in a TDM cascading manner; the microphones in this embodiment of the application may be digital microphones or Analog microphone; if the microphone is an analog microphone, convert the analog audio data sent by N microphones into corresponding digital audio data through ADC1; then merge the converted digital audio data into N audio data in one multi-channel ; Input N channels of audio data into the audio receiving unit through the TDM audio input interface. If the microphone is a digital microphone, the digital audio data sent by N microphones is received through ADC1; and then N channels of audio data are input into the audio receiving unit through the TDM audio input interface.

The audio input method proposed in the embodiment of the present application first receives the audio data sent by N audio input units cascaded in TDM mode; data; and then input N channels of audio data into the audio receiving unit through the TDM audio input interface. That is to say, this application can make full use of the TDM cascade feature of the audio input unit, and mount the audio data sent by multiple audio input units on one TDM audio input interface without adding additional chip circuits. In the existing audio input method, the reference signals of the analog microphone and the speaker are respectively connected to different audio input interfaces of the CPU after passing through the ADC; or an additional chip circuit is added. Because the application adopts the technical means of combining the audio data sent by N audio input units into N audio data in one multi-channel, and inputting the N audio data to the audio receiving unit through the TDM audio input interface, it overcomes the In the prior art, the reference signals of analog microphones and speakers are respectively connected to different audio input interfaces of the CPU after passing through the analog-to-digital converter ADC, which leads to the technical problem that the audio input interface of the CPU is not enough, and additional chip circuits need to be added , the resulting technical problems of high design complexity and cost increase, the technical solution provided by this application can realize multi-channel audio cascade input through a TDM audio input interface, without adding additional chip circuits, reducing the complexity of circuit design The cost of the product is reduced; moreover, the technical solution of the embodiment of the application is simple and convenient to implement, easy to popularize, and has a wider scope of application.

Embodiment four

Fig. 5 is a schematic structural diagram of an audio input device provided by an embodiment of the present application. As shown in FIG. 5, the device 500 includes: a receiving module 501, a combining module 502, and an input module 503; wherein,

The receiving module 501 is configured to receive audio data sent by N audio input units cascaded in a TDM manner; wherein, N is a natural number greater than 1;

The combining module 502 is configured to combine the audio data sent by the N audio input units into N channels of audio data in one multi-channel channel;

The input module 503 is configured to input the N channels of audio data into the audio receiving unit through a TDM audio input interface.

Further, the receiving module 501 is specifically configured to receive the analog audio data sent by the N audio input units through N analog-to-digital converters ADC if the audio data sent by the N audio input units is analog audio data; Wherein, the N ADCs are cascaded in a TDM manner; the N audio input units send analog audio data through their corresponding audio transmission channels; the analog audio data sent by the N audio input units are converted into digital audio data .

Further, the receiving module 501 is specifically configured to, if the audio data sent by the N audio input units are analog audio data, receive the analog audio data sent by the N audio input units through any one of the N ADCs ; Wherein, the N ADCs are cascaded in TDM mode; the N audio input units send analog audio data through their corresponding TDM channels; the analog audio data sent by the N audio input units are sent by any one ADC The data are respectively converted into digital audio data.

Further, the receiving module 501 is specifically configured to receive the digital audio data sent by the N audio input units through any one of the N ADCs if the audio data sent by the N audio input units is digital audio data ; Wherein, the N ADCs are cascaded in TDM mode; the N audio input units send digital audio data through their corresponding TDM channels.

Further, the merging module 502 is specifically configured to merge the audio data sent by the N audio input units into N channels of audio data in the multiple channels according to the preset channel configuration; or, for each audio The audio data sent by the input unit is configured with a corresponding TDM channel, and the audio data sent by the corresponding audio input unit is set as one channel of audio data in the multiple channels through the TDM channel.

Further, the audio input unit includes: an analog audio input unit and a digital audio input unit; wherein, the audio data sent by the analog audio input unit is analog audio data; the audio data sent by the digital audio input unit is digital audio data; the analog audio input unit is a speaker and an analog microphone; the digital audio input unit is a digital microphone.

The above-mentioned audio input device can execute the method provided by any embodiment of the present application, and has corresponding functional modules and beneficial effects for executing the method. For technical details not exhaustively described in this embodiment, refer to the audio input method provided in any embodiment of this application.

In the technical solution of the present disclosure, the acquisition, storage and application of the user's personal information involved are in compliance with relevant laws and regulations, and do not violate public order and good customs.

Embodiment five

According to the embodiments of the present disclosure, the present disclosure also provides an electronic device, a readable storage medium, and a computer program product.

FIG. 6 shows a schematic block diagram of an example electronic device 600 that may be used to implement embodiments of the present disclosure. Electronic device is intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other suitable computers. Electronic devices may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are by way of example only, and are not intended to limit implementations of the disclosure described and/or claimed herein.

As shown in FIG. 6, the device 600 includes a computing unit 601 that can execute according to a computer program stored in a read-only memory (ROM) 602 or loaded from a storage unit 608 into a random-access memory (RAM) 603. Various appropriate actions and treatments. In the RAM 603, various programs and data necessary for the operation of the device 600 can also be stored. The computing unit 601, ROM 602, and RAM 603 are connected to each other through a bus 604. An input/output (I/O) interface 605 is also connected to the bus 604 .

Multiple components in the device 600 are connected to the I/O interface 605, including: an input unit 606, such as a keyboard, a mouse, etc.; an output unit 607, such as various types of displays, speakers, etc.; a storage unit 608, such as a magnetic disk, an optical disk, etc. ; and a communication unit 609, such as a network card, a modem, a wireless communication transceiver, and the like. The communication unit 609 allows the device 600 to exchange information/data with other devices over a computer network such as the Internet and/or various telecommunication networks.

The computing unit 601 may be various general-purpose and/or special-purpose processing components having processing and computing capabilities. Some examples of computing units 601 include, but are not limited to, central processing units (CPUs), graphics processing units (GPUs), various dedicated artificial intelligence (AI) computing chips, various computing units that run machine learning model algorithms, digital signal processing processor (DSP), and any suitable processor, controller, microcontroller, etc. The calculation unit 601 executes various methods and processes described above, such as an audio input method. For example, in some embodiments, the audio input method may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as storage unit 608 . In some embodiments, part or all of the computer program may be loaded and/or installed on the device 600 via the ROM 602 and/or the communication unit 609. When the computer program is loaded into the RAM 603 and executed by the computing unit 601, one or more steps of the audio input method described above may be performed. Alternatively, in other embodiments, the computing unit 601 may be configured to execute an audio input method in any other suitable manner (for example, by means of firmware).

Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips Implemented in a system of systems (SOC), complex programmable logic device (CPLD), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include being implemented in one or more computer programs executable and/or interpreted on a programmable system including at least one programmable processor, the programmable processor Can be special-purpose or general-purpose programmable processor, can receive data and instruction from storage system, at least one input device, and at least one output device, and transmit data and instruction to this storage system, this at least one input device, and this at least one output device an output device.

Program codes for implementing the methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general-purpose computer, a special purpose computer, or other programmable data processing devices, so that the program codes, when executed by the processor or controller, make the functions/functions specified in the flow diagrams and/or block diagrams Action is implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of the present disclosure, a machine-readable medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution system, apparatus, or device. A machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. More specific examples of machine-readable storage media would include one or more wire-based electrical connections, portable computer discs, hard drives, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, compact disk read only memory (CD-ROM), optical storage, magnetic storage, or any suitable combination of the foregoing.

To provide for interaction with the user, the systems and techniques described herein can be implemented on a computer having a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user. ); and a keyboard and pointing device (eg, a mouse or a trackball) through which a user can provide input to the computer. Other kinds of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and can be in any form (including Acoustic input, speech input or, tactile input) to receive input from the user.

The systems and techniques described herein can be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., as a a user computer having a graphical user interface or web browser through which a user can interact with embodiments of the systems and techniques described herein), or including such backend components, middleware components, Or any combination of front-end components in a computing system. The components of the system can be interconnected by any form or medium of digital data communication, eg, a communication network. Examples of communication networks include: Local Area Network (LAN), Wide Area Network (WAN) and the Internet.

A computer system may include clients and servers. Clients and servers are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, a server of a distributed system, or a server combined with a blockchain.

It should be understood that steps may be reordered, added or deleted using the various forms of flow shown above. For example, each step described in the present disclosure may be executed in parallel, sequentially, or in a different order, as long as the desired result of the technical solution disclosed in the present disclosure can be achieved, no limitation is imposed herein.

The specific implementation manners described above do not limit the protection scope of the present disclosure. It should be apparent to those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present disclosure shall be included within the protection scope of the present disclosure.

Claims (10)

1. An audio input method, said method comprising: Receive audio data sent by N audio input units cascaded in a time-division multiplexing TDM manner; wherein, N is a natural number greater than 1; Merge the audio data sent by the N audio input units into N audio data in one multi-channel; Input the N channels of audio data into the audio receiving unit through the TDM audio input interface; Wherein, the receiving the audio data sent by N audio input units cascaded in TDM mode includes: If the audio data sent by the N audio input units is analog audio data, then receive the analog audio data sent by the N audio input units through N analog-to-digital converters ADC; wherein, the N ADCs are cascaded in a TDM manner ; The N audio input units send analog audio data through respective corresponding audio transmission channels; Converting the analog audio data sent by the N audio input units into digital audio data; wherein the audio input unit includes an analog audio input unit; the audio data sent by the analog audio input unit is analog audio data; the analog The audio input unit is a speaker; Wherein, the audio data sent by the N audio input units are merged into N audio data in one multi-channel, including: According to the preset channel configuration, the audio data sent by the N audio input units are combined into N channels of audio data in the multiple channels; Wherein, the receiving the audio data sent by N audio input units cascaded in TDM mode also includes: If the audio data sent by the N audio input units is analog audio data, then receive the analog audio data sent by the N audio input units through any one of the N ADCs; wherein the N ADCs adopt the TDM mode level connected; the N audio input units send analog audio data through their corresponding TDM channels; The analog audio data sent by the N audio input units are respectively converted into digital audio data by any one of the ADCs. 2. The method according to claim 1, wherein said receiving the audio data sent by N audio input units cascaded in a TDM manner further comprises: If the audio data sent by the N audio input units is digital audio data, any ADC in the N ADCs receives the digital audio data sent by the N audio input units; wherein, the N ADCs adopt the TDM mode level connected; the N audio input units send digital audio data through their corresponding TDM channels. 3. The method according to claim 1, wherein said combining the audio data sent by said N audio input units into N audio data in a multi-channel, further comprising: According to the preset channel configuration, configure a corresponding TDM channel for the audio data sent by each audio input unit, and set the audio data sent by the corresponding audio input unit as one of the multiple channels through the TDM channel. 4. The method according to claim 1, the audio input unit also includes a digital audio input unit; wherein, the audio data sent by the digital audio input unit is digital audio data; the analog audio input unit is also an analog microphone ; The digital audio input unit is a digital microphone. 5. An audio input device, said device comprising: a receiving module, a combining module and an input module; wherein, The receiving module is configured to receive audio data sent by N audio input units cascaded in a time-division multiplexing TDM manner; wherein, N is a natural number greater than 1; The merging module is used to merge the audio data sent by the N audio input units into N channels of audio data in one multi-channel channel; The input module is used to input the N channels of audio data into the audio receiving unit through the TDM audio input interface; Wherein, the receiving module is specifically configured to receive the analog audio data sent by N audio input units through N analog-to-digital converters ADC if the audio data sent by the N audio input units is analog audio data; wherein, The N ADCs are cascaded in a TDM manner; the N audio input units send analog audio data through their corresponding audio transmission channels; the analog audio data sent by the N audio input units are converted into digital audio data; wherein , the audio input unit includes an analog audio input unit; the audio data sent by the analog audio input unit is analog audio data; the analog audio input unit is a speaker; The merging module is specifically configured to merge the audio data sent by the N audio input units into N channels of audio data in the multiple channels according to a preset channel configuration; Wherein, the receiving module is further specifically configured to receive the analog audio data sent by the N audio input units through any one of the N ADCs if the audio data sent by the N audio input units is analog audio data; Wherein, the N ADCs are cascaded in a TDM manner; the N audio input units send analog audio data through their corresponding TDM channels; the analog audio data sent by the N audio input units are sent by any one of the ADCs converted into digital audio data respectively. 6. The device according to claim 5, the receiving module is further specifically configured to receive N audio data through any one of the N ADCs if the audio data sent by the N audio input units is digital audio data. Digital audio data sent by an audio input unit; wherein, the N ADCs are cascaded in a TDM manner; and the N audio input units send digital audio data through their corresponding TDM channels. 7. The device according to claim 5, the merging module is also specifically configured to configure a corresponding TDM channel for the audio data sent by each audio input unit according to the preset channel configuration, and through the TDM channel the corresponding The audio data sent by the audio input unit is set as one channel of audio data in the multiple channels. 8. The device according to claim 5, the audio input unit also includes a digital audio input unit; wherein, the audio data sent by the digital audio input unit is digital audio data; the analog audio input unit is also an analog microphone ; The digital audio input unit is a digital microphone. 9. An electronic device comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein, The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can perform any one of claims 1-4. Methods. 10. A non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to cause the computer to execute the method according to any one of claims 1-4.

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