Recording device, sound pickup method, storage medium, and electronic device

Abstract

The application discloses a recording device, a sound pickup method, a storage medium and electronic equipment. The recording device comprises a processing unit, which is used for generating a control instruction according to a digital signal and processing the digital signal; a control unit connected with the processing unit and a sound collecting unit respectively, which is used for controlling the sound collecting unit to turn according to the control instruction of the processing unit; a conversion unit connected with the processing unit and the sound collecting unit respectively, which is used for converting sound information of a target sound source collected by the sound collecting unit into a digital signal and sending the digital signal to the processing unit; and a storage unit connected with the processing unit, which is used for storing the processed digital signal. The information of the target sound source can be accurately collected, the recording effect is good, the accuracy of voice recognition is improved, the use experience of a user is improved, the design difficulty of an algorithm is reduced to a certain extent, and the research and development cost and material cost are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of recording equipment, in particular to a recording device, a sound pickup method, a storage medium and an electronic device. BACKGROUND

[0002] A recording pen is a recording device convenient to carry, which is not only simple to operate but also can restore the real recording scene and store large-capacity recording information. The recording pen is widely used due to the advantages of small size and convenience for carrying.

[0003] In an actual interview scene, due to the movement of the sound pickup object, the recording pen needs to be aimed at the sound pickup object at all times. If the microphone of the recording pen is not aimed at the sound pickup object, the sound pickup volume will often be large or small, and in some cases, the sound pickup recording will be unclear, which cannot achieve good recording effect. SUMMARY

[0004] To solve the above problems, the present application provides a recording device, a sound pickup method, a storage medium and an electronic device. The recording device comprises: a processing unit, configured to generate first control instructions and second control instructions according to first digital signals sent by a first conversion unit and second digital signals sent by a second conversion unit, and process the first digital signals and the second digital signals to obtain processed digital signals; a first control unit connected with the processing unit and a first sound collection unit, configured to control the first sound collection unit to turn according to the first control instructions of the processing unit; a second control unit connected with the processing unit and a second sound collection unit, configured to control the second sound collection unit to turn according to the second control instructions of the processing unit; a first conversion unit connected with the processing unit and the first sound collection unit, configured to convert sound information of a target sound source collected by the first sound collection unit into first digital signals and send the first digital signals to the processing unit; a second conversion unit connected with the processing unit and the second sound collection unit, configured to convert sound information of a target sound source collected by the second sound collection unit into second digital signals and send the second digital signals to the processing unit; and a storage unit connected with the processing unit, configured to store the processed digital signals. Due to the consideration of function and cost, the recording device with two control units respectively controlling two sound collection units can accurately collect information of the target sound source, has good recording effect, improves the accuracy of voice recognition and the user experience, and at the same time, reduces the design difficulty of the algorithm to a certain extent and saves the research and development and material costs.

[0005] In a first aspect, the present application provides a recording device, comprising:

[0006] a processing unit, configured to generate first control instructions and second control instructions according to a first digital signal sent by a first conversion unit and a second digital signal sent by a second conversion unit, and to process the first digital signal and the second digital signal to obtain a processed digital signal;

[0007] a first control unit connected to the processing unit and the first sound collecting unit respectively, configured to control the first sound collecting unit to turn according to the first control instructions of the processing unit;

[0008] a second control unit connected to the processing unit and the second sound collecting unit respectively, configured to control the second sound collecting unit to turn according to the second control instructions of the processing unit;

[0009] a first conversion unit connected to the processing unit and the first sound collecting unit respectively, configured to convert sound information of a target sound source collected by the first sound collecting unit into a first digital signal and send the first digital signal to the processing unit;

[0010] a second conversion unit connected to the processing unit and the second sound collecting unit respectively, configured to convert sound information of a target sound source collected by the second sound collecting unit into a second digital signal and send the second digital signal to the processing unit;

[0011] a storage unit connected to the processing unit, configured to store the processed digital signal.

[0012] In some embodiments, the first sound collecting unit is separated from the second sound collecting unit by a preset distance.

[0013] In some embodiments, the first control unit and the second control unit each include a micro motor.

[0014] In some embodiments, the processing unit is configured to locate a target sound source according to the first digital signal and the second digital signal, to generate control instructions for controlling the first sound collecting unit and the second sound collecting unit to turn according to the location, and to integrate the first digital signal and the second digital signal to obtain a digital signal for storage.

[0015] In some embodiments, the first control unit is configured to receive the first control instructions sent by the processing unit and to control the first sound collecting unit to turn towards the target sound source according to the first control instructions.

[0016] In some embodiments, the second control unit is configured to receive the second control instructions sent by the processing unit and to control the second sound collecting unit to turn towards the target sound source according to the second control instructions.

[0017] In a second aspect, the present application provides a sound pickup method applied to the sound recording device as described above, the method comprising:

[0018] The first sound collecting unit collects sound of the target sound source and sends to the first converting unit, and the second sound collecting unit collects sound of the target sound source and sends to the second converting unit;

[0019] The first converting unit converts sound information of the target sound source collected by the first sound collecting unit into a first digital signal and sends to the processing unit, and the second converting unit converts sound information of the target sound source collected by the second sound collecting unit into a second digital signal and sends to the processing unit;

[0020] The processing unit generates a first control instruction and a second control instruction according to the first digital signal sent by the first converting unit and the second digital signal sent by the second converting unit, and sends the first control instruction to the first control unit and the second control instruction to the second control unit; and processes the first digital signal and the second digital signal to obtain a processed digital signal;

[0021] The first control unit controls the first sound collecting unit to turn according to the first control instruction, and the second control unit controls the second sound collecting unit to turn according to the second control instruction;

[0022] The storage unit stores the processed digital signal.

[0023] In some embodiments, the processing unit generates a first control instruction and a second control instruction according to the first digital signal sent by the first converting unit and the second digital signal sent by the second converting unit, and processes the first digital signal and the second digital signal to obtain a processed digital signal, comprising:

[0024] locating the target sound source according to the first digital signal and the second digital signal, generating a control instruction for controlling the first sound collecting unit and the second sound collecting unit to turn according to the locating, and integrating the first digital signal and the second digital signal to obtain a digital signal for storage.

[0025] In a fourth aspect, the present application provides an electronic device comprising a memory and a processor, the memory storing a computer program, the memory and the processor being in communication connection with each other, and the computer program being executed by the processor to implement the sound pickup method as described above.

[0026] Compared with the prior art, the technical scheme of the present application has the following advantages or beneficial effects:

[0027] For the consideration of function and cost, the sound recording device which controls two sound collection units by two control units can accurately collect the information of the target sound source, has good recording effect, improves the accuracy of voice recognition and the user experience, and at the same time, reduces the design difficulty of the algorithm to a certain extent and saves the research and development and material cost. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0029] Figure 1 A structural schematic diagram of a sound recording device provided by the embodiment of the present application;

[0030] Figure 2 A flowchart of a sound pickup method provided by the embodiment of the present application;

[0031] Figure 3 A connection block diagram of an electronic device provided by the embodiment of the present application. DETAILED DESCRIPTION

[0032] The embodiments of the present application will be described in detail below with reference to the drawings and embodiments, so that how the present application applies technical means to solve technical problems and achieves corresponding technical effects can be fully understood and implemented. The embodiments of the present application and each feature in the embodiments can be combined with each other without conflict, and the formed technical scheme is within the protection scope of the present application.

[0033] As known from the background art, in actual interview scenes, due to the movement of the sound pickup object, the sound recording pen needs to be aimed at the sound pickup object at all times. If the microphone of the sound recording pen is not aimed at the sound pickup object, problems such as the sound pickup volume being large or small will often occur, and even more, the picked-up recording may be unclear, which cannot achieve good recording effect.

[0034] In view of this, the present invention proposes a recording device, a sound pickup method, a storage medium, and an electronic device. For functional and cost considerations, the recording device controls two sound acquisition units respectively through two control units, which can accurately collect information of the target sound source, has good recording effect, improves the accuracy of speech recognition and user experience, and at the same time reduces the design difficulty of the algorithm to a certain extent and saves research and development and material costs.

[0035] Example 1

[0036] This embodiment provides a recording device. Figure 1 This is a schematic diagram of the structure of a recording device provided in an embodiment of this application, such as... Figure 1 As shown, the apparatus of this embodiment includes:

[0037] The processing unit is configured to generate a first control instruction and a second control instruction based on a first digital signal sent by a first conversion unit and a second digital signal sent by a second conversion unit, and to process the first digital signal and the second digital signal to obtain a processed digital signal.

[0038] In some embodiments, the processing unit is configured to locate the target sound source based on the first digital signal and the second digital signal, generate control instructions to control the first sound acquisition unit and the second sound acquisition unit to turn based on the location, and integrate the first digital signal and the second digital signal to obtain a digital signal for storage.

[0039] Specifically, when the processing unit locates the target sound source based on the sound signal fed back by the sound acquisition unit, after obtaining the location of the target sound source, it obtains the turning angle based on the location of the target sound source and the position of the sound acquisition unit, generates a first control command and a second control command for turning, and sends them to the first control unit and the second control unit. The first control unit controls the first sound acquisition unit to turn towards the target sound source according to the first control command, and the second control unit controls the second sound acquisition unit to turn towards the target sound source according to the second control command, so that the sound acquisition unit of the recording device can adjust the sound pickup direction in a timely manner as the location of the target sound source changes, thereby obtaining better sound pickup effect and improving the adaptability to complex external environments.

[0040] In some embodiments, the processing unit includes:

[0041] Processor, microprocessor, application-specific integrated circuit, digital signal processor, digital signal processing device, programmable logic device, field-programmable gate array, controller or microcontroller.

[0042] The first control unit, which is connected to the processing unit and the first sound acquisition unit respectively, is used to control the first sound acquisition unit to turn according to the first control command of the processing unit.

[0043] In some embodiments, the first sound collecting unit is separated from the second sound collecting unit by a preset distance.

[0044] In some embodiments, the first sound collecting unit comprises a microphone.

[0045] In some embodiments, the second sound collecting unit comprises a microphone.

[0046] It should be noted that the first sound collecting unit and the second sound collecting unit are placed in parallel. In this embodiment, the technical solution of two sound collecting units is adopted for the consideration of function and cost. The two sound collecting units are respectively connected with the processing unit and exchange information with the processing unit. The distance between the two sound collecting units is limited by the algorithm, and the straight-line interval between the two sound collecting units is fixed at about 25-45 mm, which also reduces the design difficulty of the algorithm to a certain extent.

[0047] The second control unit connected with the processing unit and the second sound collecting unit respectively is used for controlling the second sound collecting unit to turn according to the second control instruction of the processing unit.

[0048] In some embodiments, the first control unit is used for receiving the first control instruction sent by the processing unit and controlling the first sound collecting unit to turn to the target sound source according to the first control instruction.

[0049] In some embodiments, the second control unit is used for receiving the second control instruction sent by the processing unit and controlling the second sound collecting unit to turn to the target sound source according to the second control instruction.

[0050] In some embodiments, the first control unit and the second control unit both comprise a micro motor.

[0051] The control unit is used for controlling the sound collecting unit, which can make the sound collecting unit flexibly rotate within a certain range to control the direction of the sound collecting unit collecting sound.

[0052] The first conversion unit connected with the processing unit and the first sound collecting unit respectively is used for converting the sound information of the target sound source collected by the first sound collecting unit into a first digital signal and sending the first digital signal to the processing unit.

[0053] The second conversion unit connected with the processing unit and the second sound collecting unit respectively is used for converting the sound information of the target sound source collected by the second sound collecting unit into a second digital signal and sending the second digital signal to the processing unit.

[0054] In some embodiments, the first conversion unit comprises an analog-to-digital converter.

[0055] In some embodiments, the second conversion unit comprises an analog-to-digital converter.

[0056] Specifically, the sound information received by the sound collecting unit is an analog signal, which is converted into a digital signal that can be processed by the processor through the conversion unit, and the converted digital signal is sent to the processing unit.

[0057] The storage unit connected with the processing unit is used to store the processed digital signal.

[0058] In some embodiments, the storage unit comprises:

[0059] The storage unit comprises a memory, a flash memory, a magnetic memory, a magnetic disk or an optical disk.

[0060] In some embodiments, the processing unit can also encode and / or encrypt the collected sound data, and then the storage unit stores the encoded and / or encrypted data.

[0061] In some embodiments, the recording device can also comprise an I / O interface module and a communication module. Through wired or wireless communication between the I / O interface module and / or the communication module and other devices, the data in the storage unit can be exported or imported into the storage unit, wherein the communication module comprises a Wi-Fi module, a Bluetooth module, an NFC module, etc.

[0062] The recording device of the embodiment comprises: a processing unit, which is used to generate first control instructions and second control instructions according to the first digital signal sent by the first conversion unit and the second digital signal sent by the second conversion unit, and to process the first digital signal and the second digital signal to obtain a processed digital signal; a first control unit connected with the processing unit and the first sound collecting unit respectively, which is used to control the first sound collecting unit to turn according to the first control instructions of the processing unit; a second control unit connected with the processing unit and the second sound collecting unit respectively, which is used to control the second sound collecting unit to turn according to the second control instructions of the processing unit; a first conversion unit connected with the processing unit and the first sound collecting unit respectively, which is used to convert the sound information of the target sound source collected by the first sound collecting unit into a first digital signal and send it to the processing unit; a second conversion unit connected with the processing unit and the second sound collecting unit respectively, which is used to convert the sound information of the target sound source collected by the second sound collecting unit into a second digital signal and send it to the processing unit; and a storage unit connected with the processing unit, which is used to store the processed digital signal. Due to the consideration of function and cost, the recording device with two control units controlling two sound collecting units can accurately collect the information of the target sound source, has good recording effect, improves the accuracy of voice recognition and the user experience, and at the same time reduces the design difficulty of the algorithm to a certain extent and saves the research and development and material costs.

[0063] Embodiment two

[0064] The embodiment provides a pickup method, Figure 2 A flowchart of a pickup method provided by the embodiment is shown in the figure, the method of the embodiment comprises: Figure 2

[0065] S100, the first sound collecting unit collects the sound of the target sound source and sends it to the first converting unit, and the second sound collecting unit collects the sound of the target sound source and sends it to the second converting unit.

[0066] In some embodiments, when the recording state is turned on, the sound of the target sound source is collected through the microphone.

[0067] S200, the first converting unit converts the sound information of the target sound source collected by the first sound collecting unit into a first digital signal and sends it to the processing unit, and the second converting unit converts the sound information of the target sound source collected by the second sound collecting unit into a second digital signal and sends it to the processing unit.

[0068] In some embodiments, the collected sound information is converted into a digital signal by an analog-to-digital converter, and the digital signal is sent to the processing unit.

[0069] S300, the processing unit generates a first control instruction and a second control instruction according to the first digital signal sent by the first converting unit and the second digital signal sent by the second converting unit, and sends the first control instruction to the first control unit and the second control instruction to the second control unit; and processes the first digital signal and the second digital signal to obtain a processed digital signal.

[0070] The processing unit determines the direction of the target sound source according to the received first digital signal and second digital signal, and generates a control instruction for controlling the steering of the control unit; and processes the first digital signal and the second digital signal, and saves the processed digital signal to the storage unit.

[0071] S400, the first control unit controls the first sound collecting unit to steer according to the first control instruction, and the second control unit controls the second sound collecting unit to steer according to the second control instruction.

[0072] In some embodiments, the processing unit generates a first control instruction and a second control instruction according to the first digital signal sent by the first converting unit and the second digital signal sent by the second converting unit, and processes the first digital signal and the second digital signal to obtain a processed digital signal, comprising:

[0073] ​The target sound source is positioned according to the first digital signal and the second digital signal, and control instructions for steering the first sound collection unit and the second sound collection unit are generated according to the positioning, and the first digital signal and the second digital signal are integrated to obtain a digital signal for storage.

[0074] The control instructions include control information including parameters such as steering angles generated based on the positions of the target sound source and the sound collection units, and the control unit changes and adjusts the orientation of the sound collection units according to the control information.

[0075] S500, the storage unit stores the processed digital signal.

[0076] In some embodiments, the processing unit is configured to integrate the first digital signal and the second digital signal, and to process the first digital signal and the second digital signal to obtain a digital signal for storage.

[0077] Specifically, the processing unit encodes and / or encrypts the collected sound data, and then the storage unit stores the encoded and / or encrypted data.

[0078] In this embodiment, the first sound collection unit collects the sound of the target sound source and sends it to the first conversion unit, and the second sound collection unit collects the sound of the target sound source and sends it to the second conversion unit; the first conversion unit converts the sound information of the target sound source collected by the first sound collection unit into a first digital signal and sends it to the processing unit, and the second conversion unit converts the sound information of the target sound source collected by the second sound collection unit into a second digital signal and sends it to the processing unit; the processing unit generates a first control instruction and a second control instruction according to the first digital signal sent by the first conversion unit and the second digital signal sent by the second conversion unit, and sends the first control instruction to the first control unit and the second control instruction to the second control unit; and processes the first digital signal and the second digital signal to obtain a processed digital signal; the first control unit controls the first sound collection unit to steer according to the first control instruction, and the second control unit controls the second sound collection unit to steer according to the second control instruction; the storage unit stores the processed digital signal. For the sake of function and cost, the sound collection method of using two control units to control two sound collection units can accurately collect the information of the target sound source, has good recording effect, improves the accuracy of voice recognition and user experience, and at the same time reduces the design difficulty of the algorithm to a certain extent and saves the research and development and material cost.

[0079] Embodiment three

[0080] The embodiment also provides a storage medium, in which a computer program is stored, and the computer program can implement the method steps of the embodiment two when executed by a processor. The embodiment will not be repeated here.

[0081] The storage medium can also include a computer program, a data file, a data structure, or the like, or a combination thereof. The storage medium or the computer program can be specifically designed and understood by those skilled in the computer software field, or the storage medium can be known and available to those skilled in the computer software field. Examples of the storage medium include: magnetic media, such as a hard disk, a floppy disk, and a magnetic tape; optical media, such as a CD ROM disk and a DVD; a magneto-optical medium, such as an optical disk; and a hardware device specifically configured to store and execute a computer program, such as a read-only memory (ROM), a random access memory (RAM), a flash memory, or a server, an app application store, and the like. Examples of the computer program include machine code (e.g., code generated by a compiler) and a file containing high-level code that can be executed by a computer by using an interpreter. The described hardware device can be configured to function as one or more software modules to perform the above-described operations and methods, and vice versa. In addition, the storage medium can be distributed in a networked computer system, and the program code or computer program can be stored and executed in a distributed manner.

[0082] Embodiment four

[0083] Figure 3 A connection block diagram of an electronic device provided by the embodiment of the present application is shown in FIG. 5, which can include a processor 501, a memory 502, a multimedia component 503, an input / output (I / O) interface 504, and a communication component 505. Figure 3

[0084] The processor 501 is configured to execute all or part of the pickup method steps in the embodiment two. The memory 502 is configured to store various types of data, which can include, for example, instructions of any application program or method in the electronic device, and application-related data.

[0085] ​The processor 501 can be an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic devices implementing the above-mentioned pickup method in the second embodiment.

[0086] The memory 502 can be implemented by any type of volatile or non-volatile storage devices or a combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic storage, flash memory, magnetic disk or optical disk.

[0087] The multimedia component 503 can include a screen, which can be a touch screen, and an audio component for outputting and / or inputting audio signals. For example, the audio component can include a microphone for receiving external audio signals. The received audio signals can be further stored in the memory or transmitted through the communication component. The audio component also includes at least one speaker for outputting audio signals.

[0088] The I / O interface 504 provides an interface between the processor 501 and other interface modules, which can be a keyboard, a mouse, a button, etc. These buttons can be virtual buttons or physical buttons.

[0089] The communication component 505 is configured to perform wired or wireless communication between the electronic device 500 and other devices. The wireless communication, for example, Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G or 4G, or a combination of one or more of them, and thus the corresponding communication component 505 can include a Wi-Fi module, a Bluetooth module, and an NFC module.

[0090] In summary, the application provides a recording device, a sound pickup method, a storage medium and an electronic device. The device comprises a processing unit configured to generate first control instructions and second control instructions according to first digital signals sent by a first conversion unit and second digital signals sent by a second conversion unit, and to process the first digital signals and the second digital signals to obtain processed digital signals; a first control unit connected to the processing unit and a first sound collection unit, respectively, and configured to control the first sound collection unit to turn according to the first control instructions of the processing unit; a second control unit connected to the processing unit and a second sound collection unit, respectively, and configured to control the second sound collection unit to turn according to the second control instructions of the processing unit; a first conversion unit connected to the processing unit and the first sound collection unit, respectively, and configured to convert sound information of a target sound source collected by the first sound collection unit into first digital signals and send the first digital signals to the processing unit; a second conversion unit connected to the processing unit and the second sound collection unit, respectively, and configured to convert sound information of a target sound source collected by the second sound collection unit into second digital signals and send the second digital signals to the processing unit; and a storage unit connected to the processing unit and configured to store the processed digital signals. For the purpose of function and cost, the recording device with two control units controlling two sound collection units can accurately collect information of a target sound source, has good recording effect, improves the accuracy of voice recognition and the user experience, and at the same time, to a certain extent, reduces the design difficulty of the algorithm and saves the research and development and material costs.

[0091] It should also be understood that, wherever implemented, the methods and systems described in the embodiments provided herein can also be implemented in software programs. The software program can be stored in any type of non- transitory computer-readable medium or memory (for example, random access memory (RAM), compact disk (CD), etc.) and include one or more computer programs that can be executed by one or more computer processors.

[0092] In this disclosure, the terms "including", "containing" or any other similar words are intended to encompass non-exclusive inclusions, such that a process, method, article, or apparatus that includes a list of elements does not only include those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the phrase "including a" does not exclude the presence of additional identical elements in the process, method, apparatus, or device including the element; if "first", "second" or the like are described, they are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features; in the description of the present disclosure, unless otherwise specified, the meaning of the term "a plurality of" or "multiple" is at least two.

[0093] Finally, it should be noted that in the description of the present disclosure, the description of the terms "one embodiment", "some embodiments", "an example", "one example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. In the present disclosure, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples.

[0094] Although the embodiments of the present application have been shown and described above, it is understood that all the above-described embodiments are merely exemplary and the content described is merely the implementation adopted for the purpose of facilitating the understanding of the present application, and is not intended to limit the present application. Any modification and change in the form and details of the embodiments can be made by any person skilled in the art without departing from the spirit and scope of the present application, and the protection scope of the present application shall be subject to the scope defined by the claims.

Claims

1. A sound recording apparatus characterized by comprising: The application relates to a recording device and a method thereof. The device comprises: a processing unit for positioning a target sound source according to a first digital signal sent by a first conversion unit and a second digital signal sent by a second conversion unit; a first control unit connected with the processing unit and the first sound collecting unit for controlling the first sound collecting unit to turn to the target sound source according to the first control instruction generated by the processing unit; a second control unit connected with the processing unit and the second sound collecting unit for controlling the second sound collecting unit to turn to the target sound source according to the second control instruction generated by the processing unit; a first conversion unit connected with the processing unit and the first sound collecting unit for converting the sound information of the target sound source collected by the first sound collecting unit into the first digital signal and sending the first digital signal to the processing unit; a second conversion unit connected with the processing unit and the second sound collecting unit for converting the sound information of the target sound source collected by the second sound collecting unit into the second digital signal and sending the second digital signal to the processing unit; a storage unit connected with the processing unit for storing the processed digital signal; and a storage unit connected with the processing unit for storing the processed digital signal. The linear distance between the first sound collecting unit and the second sound collecting unit is 25-45 mm. The first control unit and the second control unit both comprise a micro motor. The processing unit is also used for integrating the first digital signal and the second digital signal to obtain a digital signal for storage. The method is applied to the recording device as claimed in claims 1-3 and comprises: The first sound collecting unit collects the sound of a target sound source and sends the sound to a first conversion unit, and the second sound collecting unit collects the sound of the target sound source and sends the sound to a second conversion unit; The first conversion unit converts the sound information of the target sound source collected by the first sound collecting unit into a first digital signal and sends the first digital signal to the processing unit, and the second conversion unit converts the sound information of the target sound source collected by the second sound collecting unit into a second digital signal and sends the second digital signal to the processing unit; ​ 2. The apparatus of claim 1, wherein, ​ 3. The apparatus of claim 1, wherein, ​ 4. A method of picking up sound, characterized by, ​ ​ ​ The processing unit locates the target sound source according to the first digital signal sent by the first conversion unit and the second digital signal sent by the second conversion unit, obtains a first steering angle according to the position of the target sound source and the position of the first sound collecting unit and generates a first control instruction based on the first steering angle, obtains a second steering angle according to the position of the target sound source and the position of the second sound collecting unit and generates a second control instruction based on the second steering angle, and sends the first control instruction to the first control unit to control the first sound collecting unit to steer to the target sound source and sends the second control instruction to the second control unit to control the second sound collecting unit to steer to the target sound source; and processes the first digital signal and the second digital signal to obtain a processed digital signal; The first control unit controls the first sound collecting unit to steer to the target sound source according to the first control instruction, and the second control unit controls the second sound collecting unit to steer to the target sound source according to the second control instruction; The storage unit stores the processed digital signal.

5. The method of claim 4, wherein, The processing of the first digital signal and the second digital signal to obtain a processed digital signal comprises: integrating the first digital signal and the second digital signal to obtain a digital signal for storage.

6. A storage medium, characterized by The computer program stored in the storage medium can be executed by one or more processors and can be used to implement the pickup method according to any one of claims 4-5.

7. An electronic device, comprising: The pickup device comprises a memory and a processor, the memory stores a computer program, and the memory and the processor are communicatively connected, and the computer program is executed by the processor to implement the pickup method according to any one of claims 4-5.

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