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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- terminal
- recording file
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- audio signal
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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
-
- 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
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 present invention relates to audio signal processing technique field, particularly relate to a kind of terminal and terminal recording processing method.
Background technology
Recording is a kind of function that terminal is comparatively conventional, and user can preserve some user preferences or important sound-content by the sound-recording function of terminal.But, using terminal to carry out in the process recorded, if redundancy section occurs in recording substance, then when recording file is stored, the waste to terminal storage space can be caused.Such as, for a session recording, often occurring the time that one section of nobody speaks in whole conference process, recording substance during this period of time is useless for conference content, namely the redundancy section in recording substance.Owing to redundancy section occurs more, therefore when storing recording file, terminal just may require that the substantial amounts of memory space of consumption is to store useless redundancy section, causes the waste of terminal storage space.
Summary of the invention
Present invention is primarily targeted at a kind of terminal of proposition and terminal recording processing method, it is intended to save the terminal memory space when storing recording file.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
On the one hand, the invention provides a kind of terminal recording processing method, described method includes:
Terminal obtains pending recording file；
Terminal determines the redundant content in recording substance according to the decision plan preset from described pending recording file；
Redundant content in described pending recording file is filtered by terminal, recording file after being filtered.
Optionally, described terminal obtains pending recording file, specifically includes:
Described audio signal in the process of recording audio signal, is carried out noise reduction by the major and minor audio signal reception device of self by described terminal, generates the recording file after noise reduction.
Optionally, described terminal determines the redundant content in recording substance according to the decision plan preset from described pending recording file, specifically includes:
Signal amplitude in default first time period, in described pending recording file, is defined as described redundant content lower than the recording substance of default amplitude threshold by described terminal.
Optionally, the redundant content in pending recording file is filtered by described terminal, and recording file after being filtered specifically includes:
Described redundant content, in described pending recording file, is deleted by described terminal, the recording file after being filtered.
Optionally, described method also includes:
Amplitude corresponding to audio signal identical for the amplitude of the major and minor audio signal reception device acquisition of self is set to described default amplitude threshold by described terminal.
On the other hand, the invention provides a kind of terminal, described terminal includes: acquisition module, determination module and filtering module；Wherein,
Described acquisition module, for obtaining pending recording file；
Described determination module, for determining the redundant content in recording substance according to the decision plan preset from described pending recording file；
Described filtering module, for the redundant content in pending recording file is filtered, recording file after being filtered.
Optionally, described terminal also includes recording module, and described recording module includes major and minor audio signal reception device, for, in the process of recording audio signal, described audio signal being carried out noise reduction；
Described acquisition module, is used for the recording file after generating noise reduction.
Optionally, described determination module, specifically for, in described pending recording file, being defined as described redundant content by signal amplitude in default first time period lower than the recording substance of default amplitude threshold.
Optionally, described filtering module, for, in described pending recording file, deleting described redundant content, the recording file after being filtered.
Optionally, described terminal also includes arranging module, and the amplitude corresponding to audio signal that amplitude for the major and minor audio signal reception device of described terminal being obtained is identical is set to described default amplitude threshold.
A kind of terminal that the embodiment of the present invention provides and terminal recording processing method, by deleting the redundancy section of recording substance, thus when saving recording substance pith, saving the terminal memory space when storing recording file.
Accompanying drawing explanation
The optional hardware architecture diagram of a kind of mobile terminal that Fig. 1 provides for the embodiment of the present invention；
A kind of terminal recording process flow schematic diagram that Fig. 2 provides for the embodiment of the present invention；
The position view of a kind of major and minor mike that Fig. 3 provides for the embodiment of the present invention；
The position view of the major and minor mike of another kind that Fig. 4 provides for the embodiment of the present invention；
The waveform diagram of a kind of pending recording file that Fig. 5 provides for the embodiment of the present invention；
A kind of concrete application process schematic diagram that Fig. 6 provides for the embodiment of the present invention；
The structural representation of a kind of terminal that Fig. 7 provides for the embodiment of the present invention；
The structural representation of the another kind of terminal that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing 1.In follow-up description, use the suffix being used for representing such as " module ", " parts " or " unit " of element only for being conducive to the explanation of the present invention, itself do not have specific meaning.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include the mobile terminal of such as mobile phone, smart phone, notebook computer, digit broadcasting receiver, personal digital assistant (PDA), panel computer (PAD), portable media player (PMP), guider etc. and the fixed terminal of such as numeral TV, desk computer etc..Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for the element of mobile purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the optional hardware configuration signal of mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can include audio/video (A/V) input block 120, user input unit 130, output unit 150, memorizer 160, interface unit 170, controller 180 and power subsystem 190 etc..Fig. 1 illustrates the mobile terminal with various assembly, it should be understood that be not required for implementing all assemblies illustrated, it is possible to alternatively implement more or less of assembly, will be discussed in more detail below the element of mobile terminal.
A/V input block 120 is used for receiving audio or video signal.A/V input block 120 can include mike 122, mike 122 can receive sound (voice data) via mike 122 in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by such acoustic processing.Mike 122 can implement various types of noise elimination (or suppression) algorithm to eliminate (or suppression) in the noise received and produce in the process of transmission audio signal or interference.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and can include keyboard, metal dome, touch pad (such as, detection due to touched and cause resistance, pressure, electric capacity etc. the sensitive component of change), roller, rocking bar etc..Especially, when touch pad is superimposed upon on display unit 151 as a layer, it is possible to form touch screen.
Interface unit 170 is used as at least one external device (ED) and is connected, with mobile terminal 100, the interface that can pass through.Such as, external device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port of the device with identification module, audio frequency input/output (I/O) port, video i/o port, ear port etc..Identification module can be that storage is for verifying that user uses the various information of mobile terminal 100 and can include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc..It addition, the device (hereinafter referred to " identifying device ") with identification module can take the form of smart card, therefore, identify that device can be connected with mobile terminal 100 via port or other connecting device.Interface unit 170 may be used for receiving from the input (such as, data message, electric power etc.) of external device (ED) and the one or more elements being transferred in mobile terminal 100 by the input received or may be used for transmission data between mobile terminal and external device (ED).
Additionally, when mobile terminal 100 is connected with external base, interface unit 170 can serve as and allows to provide the path of mobile terminal 100 or can serve as to allow to be transferred to the path of mobile terminal from the various command signals of base input by it from base electric power by it.May serve as whether identification mobile terminal is accurately fitted within the signal base from the various command signals of base input or electric power.Output unit 150 is configured to provide output signal (such as, audio signal, video signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can include dio Output Modules 152 etc..
Dio Output Modules 152 can mobile terminal be in call signal receive under the isotype such as pattern, call mode, logging mode, speech recognition mode, broadcast reception mode time, by voice data transducing audio signal and be output as sound.And, dio Output Modules 152 can provide the audio frequency output (such as, call signal receive sound, message sink sound etc.) relevant to the specific function of mobile terminal 100 execution.Dio Output Modules 152 can include speaker, buzzer etc..
Memorizer 160 can store the process performed by controller 180 and the software program controlling operation etc., or can temporarily store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And, memorizer 160 can store the vibration about the various modes exported when touching and being applied to touch screen and the data of audio signal.
Memorizer 160 can include the storage medium of at least one type, described storage medium includes flash memory, hard disk, multimedia card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access memory (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected the network storage device cooperation of the storage function performing memorizer 160 with by network.
Controller 180 generally controls the overall operation of mobile terminal.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.It addition, controller 180 can include the multi-media module 181 for reproducing (or playback) multi-medium data, multi-media module 181 can construct in controller 180, or it is so structured that separates with controller 180.Controller 180 can perform pattern recognition process, so that the handwriting input performed on the touchscreen or picture drafting input are identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides the suitable electric power operated needed for each element and assembly.
Various embodiment described herein can to use such as computer software, hardware or its any combination of computer-readable medium to implement.Hardware is implemented, embodiment described herein can pass through to use application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, at least one that is designed to perform in the electronic unit of function described herein to implement, in some cases, such embodiment can be implemented in controller 180.Implementing for software, the embodiment of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memorizer 160 and be performed by controller 180.
So far, oneself is through describing mobile terminal according to its function.Below, for the sake of brevity, by the slide type mobile terminal in the various types of mobile terminals describing such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to any kind of mobile terminal, and is not limited to slide type mobile terminal.
Based on above-mentioned mobile terminal hardware configuration, it is proposed to each embodiment of the inventive method.
Embodiment one
Referring to Fig. 2, it illustrates a kind of terminal recording processing method that the embodiment of the present invention provides, the method may include that
S201: terminal obtains pending recording file；
S202: terminal determines the redundant content in recording substance according to the decision plan preset from pending recording file；
S203: the redundant content in pending recording file is filtered by terminal, recording file after being filtered.
Exemplarily, for step S201, terminal obtains pending recording file, specifically may include that
Described audio signal in the process of recording audio signal, is carried out noise reduction by the major and minor audio signal reception device of self by terminal, generates the recording file after noise reduction.
In implementing process, terminal in order to eliminate environment noise from the audio signal recorded, and what generally adopt is the means of major and minor audio signal reception device noise reduction, for audio signal reception device for mike, terminal can arrange two mikes, and one is main mike, is used for picking up voice signal；Another is then secondary mike, is used for picking up environment noise, and what two mikes were arranged in terminal positions remote from.Terminal enclosure schematic diagram as shown in Figure 3, main mike is generally arranged at bottom terminal front side, and secondary mike is generally arranged at top, the terminal back side.
Major and minor mike can both pick up voice signal, it should be noted that due to major and minor mike from the sound source of voice signal apart from different, therefore, the amplitude of the voice signal that both are received is different, having time difference between the voice signal that both receive, as shown in Figure 4, P point is the sound source position of voice signal, A is main microphone position, B point is secondary microphone position, then, the voice signal received by A point is yA=A1The voice signal that s (t), B point receives is yB=A2S (t-τ), wherein, A1And A2Represent the amplitude of the voice signal that A point and B point receive respectively, it is possible to understand that ground, owing to the distance of A point and P point is more than the distance of B point Yu P point, so, A1More than A2；Represent the time difference of 2 voice signals received of A, B, rABRepresenting the path difference of A, B 2, c represents the light velocity.
But for environment noise, because the source of sound of noise is remote from terminal, so it is almost the same with waveform that environment noise arrives the intensity of sound wave during major and minor mike, so by difference amplifier to main mike and secondary microphones to voice signal subtract each other, it is thus possible to environment noise eliminated, improve the definition of voice signal.Therefore, the audio signal after noise reduction can be carried out buffer memory by terminal, obtains the recording file after noise reduction, and as recording file pending in subsequent process.In the present embodiment, the waveform of pending recording file is as shown in Figure 5.
Exemplarily, for step S202, terminal determines the redundant content in recording substance according to the decision plan preset from described pending recording file, specifically includes:
Signal amplitude in default first time period, in described pending recording file, is defined as described redundant content lower than the recording substance of default amplitude threshold by described terminal.
In specific implementation process, the first time period preset can be greater than the satisfied first time period preset of the time period threshold value preset.As it is shown in figure 5, in pending recording file, in time period T, the amplitude of sound is lower than default amplitude threshold A0, then the recording substance of this section is then redundant content.
Further, the amplitude threshold A preset0Can be configured by procedure below, it may be assumed that the amplitude corresponding to audio signal identical for the amplitude of the major and minor audio signal reception device acquisition of self is set to the amplitude threshold preset by terminal.
If the amplitude of the audio signal that the major and minor audio signal reception device of terminal self obtains is identical, then show that terminal has simply got environment noise.When arriving major and minor mike in conjunction with aforesaid environmental noise, the intensity of sound wave is almost the same principle with waveform, it is appreciated that, when major and minor audio signal reception device receive when being only environment noise, it is believed that now terminal is not received by voice signal, therefore, do not have user during this period of time and carry out sounding, so, recording substance now, it can be assumed that be redundant content, is not required to retain.Accordingly, it is possible to redundant content is filtered.
So, for step S203, the redundant content in pending recording file is filtered by terminal, and recording file after being filtered specifically includes:
Described redundant content, in pending recording file, is deleted by terminal, the recording file after being filtered.
In specific implementation process, the sound-content in the time period T shown in Fig. 5 can be deleted by terminal, thus the recording file after being filtered.
It is to be appreciated that by above-mentioned technical scheme, the redundant content in recording file can be carried out deleting filtration by terminal, thus the recording file after filtering remains the pith of sound-content, save the terminal memory space when storing recording file.
Embodiment two
Referring to Fig. 6, it illustrates the concrete application process based on above-described embodiment, terminal is arranged in conference scenario, is provided with main mike as shown in Figure 3 and secondary mike in terminal, and this application process may include that
S601: terminal arranges, by major and minor mike, the amplitude threshold that acoustical signal redundant content is corresponding；
S602: terminal receives acoustical signal, and the environment noise in the acoustical signal of reception is eliminated by major and minor mike, obtains the recording file after noise reduction；
It is to be appreciated that the recording file after noise reduction can be temporarily stored in the buffer memory of terminal.
S603: in terminal recording file after noise reduction, is defined as described redundant content by meeting signal amplitude in the first time period preset lower than the recording substance of default amplitude threshold；
S604: the redundant content in the recording file after noise reduction is deleted by terminal, the recording file after being filtered.
It follows that filter after recording file in only include effective sound with important content, thus by filter after recording file preserve in, save the memory space of terminal.
Embodiment three
Based on the technology design that previous embodiment is identical, referring to Fig. 7, it illustrates the structure of a kind of terminal 70 that the embodiment of the present invention provides, this terminal 70 may include that acquisition module 702, determination module 703 and filtering module 704；Wherein,
Acquisition module 702, for obtaining pending recording file；
Determination module 703, for determining the redundant content in recording substance according to the decision plan preset from pending recording file；
Filtering module 704, for the redundant content in pending recording file is filtered, recording file after being filtered.
Exemplarily, referring to Fig. 8, described terminal also includes recording module 701, records module 701 and includes main audio signal reception device 7011 and secondary audio signal reception device 7012, for, in the process of recording audio signal, audio signal being carried out noise reduction；
Acquisition module 702, is used for the recording file after generating noise reduction.
Further, it is determined that module 703, specifically for, in pending recording file, signal amplitude in default first time period being defined as redundant content lower than the recording substance of default amplitude threshold.
Further, filtering module 704, for, in pending recording file, deleting redundant content, the recording file after being filtered.
In such scheme, terminal 70 also includes arranging module 705, and the amplitude corresponding to the audio signal that the main audio signal reception device 7011 of terminal 70 is identical with the amplitude that secondary audio signal reception device 7012 obtains is set to the amplitude threshold preset.
The terminal 70 that the present embodiment provides, it is possible to undertaken the redundant content in recording file deleting and filter, thus remaining the pith of sound-content in the recording file after filtering, saves the terminal 70 memory space when storing recording file.
It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or device not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or device.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of this key element, method, article or device.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to above-described embodiment method and realize, hardware can certainly be passed through, but in a lot of situation, the former is embodiment more preferably.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, server, air-conditioner, or the network equipment etc.) perform the method described by each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a terminal recording processing method, it is characterised in that described method includes:
Terminal obtains pending recording file；
Terminal determines the redundant content in recording substance according to the decision plan preset from described pending recording file；
Redundant content in described pending recording file is filtered by terminal, recording file after being filtered.
2. method according to claim 1, it is characterised in that described terminal obtains pending recording file, specifically includes:
Described audio signal in the process of recording audio signal, is carried out noise reduction by the major and minor audio signal reception device of self by described terminal, generates the recording file after noise reduction.
3. method according to claim 2, it is characterised in that described terminal determines the redundant content in recording substance according to the decision plan preset from described pending recording file, specifically includes:
Signal amplitude in default first time period, in described pending recording file, is defined as described redundant content lower than the recording substance of default amplitude threshold by described terminal.
4. method according to claim 3, it is characterised in that the redundant content in pending recording file is filtered by described terminal, recording file after being filtered, specifically include:
Described redundant content, in described pending recording file, is deleted by described terminal, the recording file after being filtered.
5. method according to claim 3, it is characterised in that described method also includes:
Amplitude corresponding to audio signal identical for the amplitude of the major and minor audio signal reception device acquisition of self is set to described default amplitude threshold by described terminal.
6. a terminal, it is characterised in that described terminal includes: acquisition module, determination module and filtering module；Wherein,
Described acquisition module, for obtaining pending recording file；
Described determination module, for determining the redundant content in recording substance according to the decision plan preset from described pending recording file；
Described filtering module, for the redundant content in pending recording file is filtered, recording file after being filtered.
7. terminal according to claim 6, it is characterised in that described terminal also includes recording module, and described recording module includes major and minor audio signal reception device, for, in the process of recording audio signal, described audio signal being carried out noise reduction；
Described acquisition module, is used for the recording file after generating noise reduction.
8. terminal according to claim 7, it is characterised in that described determination module, specifically for, in described pending recording file, being defined as described redundant content by signal amplitude in default first time period lower than the recording substance of default amplitude threshold.
9. terminal according to claim 8, it is characterised in that described filtering module, for, in described pending recording file, deleting described redundant content, the recording file after being filtered.
10. terminal according to claim 8, it is characterised in that described terminal also includes arranging module, the amplitude corresponding to audio signal that amplitude for the major and minor audio signal reception device of described terminal being obtained is identical is set to described default 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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| CN106448702A (en) * | 2016-09-14 | 2017-02-22 | 努比亚技术有限公司 | Recording data processing device and method, and mobile terminal |
| CN106657544A (en) * | 2016-10-24 | 2017-05-10 | 广东欧珀移动通信有限公司 | Incoming call recording method and terminal equipment |
| 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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| CN106448702A (en) * | 2016-09-14 | 2017-02-22 | 努比亚技术有限公司 | Recording data processing device and method, and mobile terminal |
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| CN106657544A (en) * | 2016-10-24 | 2017-05-10 | 广东欧珀移动通信有限公司 | Incoming call recording method and terminal equipment |
| 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 |
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| 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 |