CN105719673A - Terminal and recording processing method thereof - Google Patents
Terminal and recording processing method thereof Download PDFInfo
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- CN105719673A CN105719673A CN201610050609.9A CN201610050609A CN105719673A CN 105719673 A CN105719673 A CN 105719673A CN 201610050609 A CN201610050609 A CN 201610050609A CN 105719673 A CN105719673 A CN 105719673A
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- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000005236 sound signal Effects 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
- G11B2020/10555—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account
- G11B2020/10574—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account volume or amplitude
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Abstract
The invention discloses a terminal and a recording processing method thereof. The method can comprise that the terminal obtains a recording file to be processed; the terminal determines redundant content in recording content of the recording file to be processed according to a preset determining strategy; and the terminal filters the redundant content in the recording file to be processed to obtain a filtered recording file. According to the terminal and method, the storage space for storing the recording file in the terminal can be reduced under the condition that significant part of the recording content is stored.
Description
Technical Field
The invention relates to the technical field of audio processing, in particular to a terminal and a terminal recording processing method.
Background
Recording is a function that is commonly used by a terminal, and a user can save some user preferences or important sound contents through the recording function of the terminal. However, in the process of recording using the terminal, if a redundant portion occurs in the recording content, the recording file is stored, which results in a waste of the storage space of the terminal. For example, for a conference recording, a period of time during which no person speaks often occurs during the whole conference, and the recorded content of the period of time is useless for the conference content, that is, a redundant part in the recorded content. Since the redundant parts are more, when storing the audio file, the terminal will consume a large amount of storage space to store the useless redundant parts, resulting in waste of storage space of the terminal.
Disclosure of Invention
The invention mainly aims to provide a terminal and a terminal recording processing method, and aims to save the storage space of the terminal when a recording file is stored.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
in one aspect, the present invention provides a terminal recording processing method, where the method includes:
a terminal acquires a recording file to be processed;
the terminal determines redundant content in the recording content from the recording file to be processed according to a preset judgment strategy;
and the terminal filters the redundant content in the sound recording file to be processed to obtain the filtered sound recording file.
Optionally, the obtaining, by the terminal, the audio file to be processed specifically includes:
the terminal performs noise reduction on the audio signals through the main and auxiliary sound receiving devices of the terminal in the process of recording the audio signals to generate a recording file after noise reduction.
Optionally, the determining, by the terminal, the redundant content in the sound recording content from the sound recording file to be processed according to a preset determination policy specifically includes:
and the terminal determines the recording content with the signal amplitude lower than a preset amplitude threshold value in a preset first time period as the redundant content in the recording file to be processed.
Optionally, the terminal filters redundant content in the sound recording file to be processed to obtain the filtered sound recording file, and specifically includes:
and the terminal deletes the redundant content in the to-be-processed sound recording file to obtain the filtered sound recording file.
Optionally, the method further includes:
and the terminal sets the amplitudes corresponding to the audio signals with the same amplitude acquired by the main sound receiving device and the auxiliary sound receiving device as the preset amplitude threshold value.
In another aspect, the present invention provides a terminal, including: the device comprises an acquisition module, a judgment module and a filtering module; wherein,
the acquisition module is used for acquiring the sound recording file to be processed;
the judgment module is used for determining redundant content in the sound recording content from the sound recording file to be processed according to a preset judgment strategy;
and the filtering module is used for filtering redundant contents in the sound recording file to be processed to obtain the sound recording file after filtering.
Optionally, the terminal further includes a recording module, where the recording module includes a main sound receiving device and an auxiliary sound receiving device, and is used to perform noise reduction on the audio signal in the process of recording the audio signal;
the acquisition module is used for generating the recording file after noise reduction.
Optionally, the determining module is specifically configured to determine, in the to-be-processed sound recording file, sound recording content of which the signal amplitude is lower than a preset amplitude threshold in a preset first time period as the redundant content.
Optionally, the filtering module is configured to delete the redundant content from the to-be-processed sound recording file, so as to obtain the filtered sound recording file.
Optionally, the terminal further includes a setting module, configured to set, as the preset amplitude threshold, amplitudes corresponding to audio signals with the same amplitude acquired by the main and auxiliary sound receiving devices of the terminal.
According to the terminal and the terminal recording processing method provided by the embodiment of the invention, the redundant part of the recording content is deleted, so that the storage space of the terminal when the recording file is stored is saved under the condition that the important part of the recording content is stored.
Drawings
Fig. 1 is a schematic diagram of an optional hardware structure of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a terminal recording processing method according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating positions of a main microphone and an auxiliary microphone according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the positions of the primary and secondary microphones according to another embodiment of the present invention;
FIG. 5 is a schematic waveform diagram of a sound recording file to be processed according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a specific process according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to fig. 1. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a Personal Digital Assistant (PDA), a tablet computer (PAD), a Portable Multimedia Player (PMP), a navigation device, etc., and a stationary terminal such as a digital TV, a desktop computer, etc. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a schematic diagram of an alternative hardware structure of a mobile terminal implementing various embodiments of the present invention.
The mobile terminal 100 may include an audio/video (a/V) input unit 120, a user input unit 130, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, and the like. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented, and that more or fewer components may instead be implemented, the elements of the mobile terminal being described in detail below.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a microphone 122, and the microphone 122 may receive sounds (audio data) via the microphone 122 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include an audio output module 152 and the like.
The audio output module 152 may convert audio data into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of 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 processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
Based on the hardware structure of the mobile terminal, the invention provides various embodiments of the method.
Example one
Referring to fig. 2, it shows a terminal recording processing method provided in an embodiment of the present invention, where the method may include:
s201: a terminal acquires a recording file to be processed;
s202: the terminal determines redundant content in the recording content from the recording file to be processed according to a preset judgment strategy;
s203: and the terminal filters the redundant content in the sound recording file to be processed to obtain the filtered sound recording file.
For example, for step S201, the terminal acquires the audio file to be processed, which may specifically include:
the terminal performs noise reduction on the audio signals through the main and auxiliary sound receiving devices of the terminal in the process of recording the audio signals to generate a recording file after noise reduction.
In a specific implementation process, in order to eliminate environmental noise from a recorded audio signal, a terminal generally adopts a noise reduction means of a main sound receiving device and an auxiliary sound receiving device, taking the sound receiving device as a microphone as an example, the terminal is provided with two microphones, one of which is a main microphone and is used for picking up a voice signal; the other is a secondary microphone for picking up ambient noise, and the two microphones are arranged at a longer distance on the terminal. As shown in the schematic diagram of the terminal housing of fig. 3, the primary microphone is typically disposed at the bottom of the front face of the terminal and the secondary microphone is typically disposed at the top of the back face of the terminal.
It should be noted that, because the primary and secondary microphones have different sound source distances from the voice signal, the amplitudes of the received voice signals are different, and there is a time difference between the received voice signals, as shown in fig. 4, point P is the sound source position of the voice signal, point a is the primary microphone position, point B is the secondary microphone position, and then the received voice signal at point a is yA＝A1s (t), the speech signal received by the point B is yB＝A2s (t- τ) in which A1And A2Respectively representing the amplitudes of the speech signals received at points a and B, it will be appreciated that a is greater than P because a is greater than B is1Greater than A2；Representing A, B the time difference of two points of the received speech signal, rABA, B represents the difference between the two acoustic paths, and c represents the speed of light.
However, for the environmental noise, the sound source of the noise is far away from the terminal, so the intensity and the waveform of the sound wave are almost the same when the environmental noise reaches the main microphone and the auxiliary microphone, and the voice signals received by the main microphone and the auxiliary microphone are subtracted by the differential amplifier, so the environmental noise can be eliminated, and the definition of the voice signals is improved. Therefore, the terminal can cache the noise-reduced audio signal to obtain the noise-reduced recording file, and the noise-reduced recording file is used as a recording file to be processed in a subsequent process. In this embodiment, waveforms of the audio file to be processed are shown in fig. 5.
For example, in step S202, the terminal determines redundant content in the sound recording content from the sound recording file to be processed according to a preset determination policy, which specifically includes:
and the terminal determines the recording content with the signal amplitude lower than a preset amplitude threshold value in a preset first time period as the redundant content in the recording file to be processed.
In a specific implementation, the preset first time period may be a first time period that is greater than a preset time period threshold and meets the preset first time period. As shown in FIG. 5, in the sound recording file to be processed, the amplitude of the sound in the time period T is lower than the preset amplitude threshold A0Then the recorded content of the segment is redundant content.
Further, a preset amplitude threshold A0The setting can be performed by the following procedure, namely: the terminal sets the amplitudes corresponding to the audio signals with the same amplitude acquired by the main sound receiving device and the auxiliary sound receiving device of the terminal as a preset amplitude threshold value.
If the amplitudes of the audio signals acquired by the main and auxiliary sound receiving devices of the terminal are the same, the terminal is indicated to acquire the environmental noise only. By combining the principle that the intensity and waveform of the sound wave are almost the same when the environmental noise reaches the main microphone and the auxiliary microphone, it can be known that when the main sound receiving device and the auxiliary sound receiving device receive only the environmental noise, the terminal does not receive the voice signal at the moment, and therefore, the user does not make a sound at the moment, and the recording content at the moment can be determined as redundant content and does not need to be reserved. Thus, redundant content may be filtered.
Then, for step S203, the terminal filters the redundant content in the sound recording file to be processed to obtain the sound recording file after filtering, which specifically includes:
and the terminal deletes the redundant content in the sound recording file to be processed to obtain the filtered sound recording file.
In a specific implementation process, the terminal may delete the sound content in the time period T shown in fig. 5, so as to obtain the filtered sound recording file.
Therefore, by the technical scheme, the terminal can delete and filter the redundant content in the sound recording file, so that the important part of the sound content is reserved in the filtered sound recording file, and the storage space of the terminal is saved when the sound recording file is stored.
Example two
Referring to fig. 6, which shows a specific application process based on the above embodiment, the terminal is set in a conference scene, and the main microphone and the auxiliary microphone shown in fig. 3 are set in the terminal, and the application process may include:
s601: the terminal sets an amplitude threshold value corresponding to the redundant content of the sound signal through the main microphone and the auxiliary microphone;
s602: the terminal receives the sound signal, and eliminates the environmental noise in the received sound signal through the main microphone and the auxiliary microphone to obtain a recording file after noise reduction;
it is understood that the sound recording file after noise reduction may be temporarily stored in a cache memory of the terminal.
S603: determining, by the terminal, recording content meeting the condition that the signal amplitude is lower than a preset amplitude threshold value within a preset first time period as the redundant content in the recording file after noise reduction;
s604: and deleting the redundant content in the sound recording file after the noise reduction by the terminal to obtain the sound recording file after filtering.
Therefore, the filtered sound recording file only comprises the effective sound with important content, so that the storage space of the terminal is saved when the filtered sound recording file is saved.
EXAMPLE III
Based on the same technical concept as the foregoing embodiment, referring to fig. 7, a structure of a terminal 70 provided by an embodiment of the present invention is shown, where the terminal 70 may include: an acquisition module 702, a determination module 703 and a filtering module 704; wherein,
an obtaining module 702, configured to obtain a sound recording file to be processed;
a determining module 703, configured to determine redundant content in the sound recording content from the sound recording file to be processed according to a preset determining policy;
the filtering module 704 is configured to filter redundant content in the to-be-processed sound recording file to obtain a filtered sound recording file.
Illustratively, referring to fig. 8, the terminal further includes a recording module 701, where the recording module 701 includes a main sound receiving device 7011 and an auxiliary sound receiving device 7012, and is configured to perform noise reduction on an audio signal during recording the audio signal;
an obtaining module 702, configured to generate a recording file after noise reduction.
Further, the determining module 703 is specifically configured to determine, in the sound recording file to be processed, the sound recording content of which the signal amplitude is lower than the preset amplitude threshold in the preset first time period as the redundant content.
Further, the filtering module 704 is configured to delete the redundant content in the sound recording file to be processed, so as to obtain the filtered sound recording file.
In the above solution, the terminal 70 further includes a setting module 705, configured to set, as a preset amplitude threshold, amplitudes corresponding to audio signals with the same amplitude, which are acquired by the main sound pickup device 7011 and the auxiliary sound pickup device 7012 of the terminal 70.
The terminal 70 provided in this embodiment may delete and filter redundant contents in the audio file, so that important parts of sound contents are reserved in the filtered audio file, and a storage space of the terminal 70 is saved when the audio file is stored.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method described in the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A terminal recording processing method is characterized by comprising the following steps:
a terminal acquires a recording file to be processed;
the terminal determines redundant content in the recording content from the recording file to be processed according to a preset judgment strategy;
and the terminal filters the redundant content in the sound recording file to be processed to obtain the filtered sound recording file.
2. The method according to claim 1, wherein the terminal acquiring the audio file to be processed specifically comprises:
the terminal performs noise reduction on the audio signals through the main and auxiliary sound receiving devices of the terminal in the process of recording the audio signals to generate a recording file after noise reduction.
3. The method according to claim 2, wherein the terminal determines redundant content in the sound recording content from the sound recording file to be processed according to a preset decision policy, specifically comprising:
and the terminal determines the recording content with the signal amplitude lower than a preset amplitude threshold value in a preset first time period as the redundant content in the recording file to be processed.
4. The method according to claim 3, wherein the terminal filters redundant content in the audio file to be processed to obtain the filtered audio file, specifically comprising:
and the terminal deletes the redundant content in the to-be-processed sound recording file to obtain the filtered sound recording file.
5. The method of claim 3, further comprising:
and the terminal sets the amplitudes corresponding to the audio signals with the same amplitude acquired by the main sound receiving device and the auxiliary sound receiving device as the preset amplitude threshold value.
6. A terminal, characterized in that the terminal comprises: the device comprises an acquisition module, a judgment module and a filtering module; wherein,
the acquisition module is used for acquiring the sound recording file to be processed;
the judgment module is used for determining redundant content in the sound recording content from the sound recording file to be processed according to a preset judgment strategy;
and the filtering module is used for filtering redundant contents in the sound recording file to be processed to obtain the sound recording file after filtering.
7. The terminal according to claim 6, further comprising a recording module, wherein the recording module comprises a main sound receiving device and an auxiliary sound receiving device, and is used for reducing noise of the audio signals in the process of recording the audio signals;
the acquisition module is used for generating the recording file after noise reduction.
8. The terminal according to claim 7, wherein the determining module is specifically configured to determine, as the redundant content, a recording content in the to-be-processed recording file, where a signal amplitude in a preset first time period is lower than a preset amplitude threshold.
9. The terminal according to claim 8, wherein the filtering module is configured to delete the redundant content in the audio file to be processed, so as to obtain the filtered audio file.
10. The terminal according to claim 8, further comprising a setting module, configured to set the amplitudes corresponding to the audio signals with the same amplitude obtained by the main and auxiliary sound receiving devices of the terminal as the preset amplitude threshold.
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| CN201610050609.9A CN105719673A (en) | 2016-01-25 | 2016-01-25 | Terminal and recording processing method thereof |
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| CN106935253A (en) * | 2017-03-10 | 2017-07-07 | 北京奇虎科技有限公司 | The method of cutting out of audio file, device and terminal device |
| CN111124349A (en) * | 2019-12-03 | 2020-05-08 | 维沃移动通信有限公司 | Audio processing method and electronic equipment |
| WO2023273904A1 (en) * | 2021-06-30 | 2023-01-05 | 华为技术有限公司 | Method for storing audio data and related device thereof |
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Application publication date: 20160629 |