CN104581512A - Stereo recording method and device - Google Patents
Stereo recording method and device Download PDFInfo
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- CN104581512A CN104581512A CN201410675594.6A CN201410675594A CN104581512A CN 104581512 A CN104581512 A CN 104581512A CN 201410675594 A CN201410675594 A CN 201410675594A CN 104581512 A CN104581512 A CN 104581512A
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Abstract
The embodiment of the invention discloses a stereo recording method and device. The method comprises the following steps: acquiring sound recording signals from at least one microphone of accessory equipment of an access terminal and at least one microphone of a terminal body and synthesizing stereo according to the acquired sound recording signals. According to the invention, stereo recording can be realized on a single microphone terminal, the recording limitation of the signal microphone terminal can be overcome, and the terminal function can be increased.
Description
Technical field
The present invention relates to Audiotechnica field, be specifically related to a kind of stereo method for recording and device.
Background technology
Stereo is have relief sound, is characterized in having spatial distribution sense, stereovision, and natural sound all belongs to stereo.
In order to carry out stereo recording in terminal, this terminal generally needs at least two recording microphone wind, and these at least two microphones need to work simultaneously when recording, and will have certain distance between microphone.The voice data of different piece in sound field is such as gathered respectively by two microphones, and grouping write L channel and R channel, form stereophony sound field effect.
But the terminal of current single microphone cannot realize stereophonic recording.Such as, mobile phone great majority in the market all have sound-recording function, but mobile phone only has a microphone mostly absolutely, can only realize monaural recording.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of stereo method for recording and device, to realize carrying out stereophonic recording in single microphone terminal.
The embodiment of the present invention is by the following technical solutions:
First aspect, embodiments provides a kind of stereo method for recording, comprising:
Sound typing signal is obtained respectively from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body;
Stereo according to obtained sound typing signal syntheses.
Second aspect, the embodiment of the present invention additionally provides a kind of stereo record device, comprising:
Sound typing signal acquiring unit, for obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively;
Stereo synthesis unit, for stereo according to obtained sound typing signal syntheses.
The Advantageous Effects of the technical scheme that the embodiment of the present invention proposes is:
The embodiment of the present invention is by the sound rendering stereophonic recording by microphone subsidiary on microphone on terminal body and auxiliary device typing simultaneously, can realize carrying out stereophonic recording in single microphone terminal, the recording limitation of single microphone terminal can be overcome, the function of terminal can be increased.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the stereo method for recording flow chart described in the specific embodiment of the invention one;
Fig. 2 is the stereo method for recording flow chart described in the specific embodiment of the invention two;
Fig. 3 is the stereo method for recording flow chart described in the specific embodiment of the invention three;
Fig. 4 is the structured flowchart of the stereo record device described in the specific embodiment of the invention four;
Fig. 5 is the structured flowchart of the stereo record device described in the specific embodiment of the invention five;
Fig. 6 is the structured flowchart of the stereo record device described in the specific embodiment of the invention six.
Embodiment
The technical problem solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one
Fig. 1 is the stereo method for recording flow chart described in the present embodiment, the present embodiment is applicable to the situation that compound stereoscopic sound of simultaneously being recorded by microphone subsidiary on microphone on terminal body and auxiliary device is recorded, the method can be performed by the stereo record device be configured in terminal, as shown in Figure 1, the stereo method for recording described in the present embodiment comprises:
Step S101, obtain sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively.
The auxiliary device of the terminal described in the present embodiment not only comprises by wired auxiliary device (such as bluetooth, earphone etc.) with microphone be plugged in terminal, also comprises the auxiliary device (such as wireless headset, wireless blue tooth, intelligent glasses, bracelet etc.) with microphone that institute's terminal is wirelessly associated.
Take terminal as mobile phone be example, as preferably, the auxiliary device accessed terminal described in the present embodiment comprises the auxiliary device that the mobile phones such as bluetooth, bracelet and the four-section type headset with microphone are generally equipped with.
Such as, sound typing signal is obtained, to synthesize stereophony from a microphone on the microphone of the auxiliary device accessed terminal and described terminal body respectively.
And for example, sound typing signal is obtained, to synthesize the surround sound of more than triple-track or triple-track from a microphone on the microphone at least two auxiliary devices accessed terminal and described terminal body respectively.
Step S102, stereo according to obtained sound typing signal syntheses.
Compound stereoscopic sound at least needs two microphone records sound, such as two microphone records sound can synthesize stereophony, three microphone records sound can synthesize triple-track around recording, can multichannel sterego be synthesized by four, five or more microphone records sound, realize surrounding effect.
The present embodiment is recorded by compound stereoscopic sound of being recorded by microphone subsidiary on microphone on terminal body and auxiliary device simultaneously, can realize carrying out stereophonic recording in single microphone terminal, the recording limitation of single microphone terminal can be overcome, the function of terminal can be increased.
Embodiment two
Fig. 2 is the stereo method for recording flow chart described in the present embodiment, and as shown in Figure 2, the stereo method for recording described in the present embodiment comprises:
Step S201, obtain sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively.
Step S202, to determine that according to described sound typing signal the voice data gathered intended by each microphone.
The microphone of terminal auxiliary device, can not only increase recording sound channel during sound recording, but also the microphone of auxiliary device can be utilized to realize other functions, such as noise reduction.
Such as, the microphone of setting bluetooth equipment is noise inputs microphone, so can bluetooth equipment is placed near noise source, and its recording offsets the noise signal that other microphone records arrive for reference noise.
Particularly, determine that the voice data that each microphone is intended gathering can comprise according to described sound typing signal: the sound typing signal obtained by the microphone from the auxiliary device be placed near noise source is as noise data;
Using the voice data gathered as plan after reference noise data described in the sound typing signal cancellation obtained from other microphones.
It should be noted that, because the microphone of an auxiliary device is used for typing noise data, if so terminal body only has a microphone, at least one microphone of the auxiliary device by other is then also needed to carry out typing voice data, together with the voice data of this terminal body typing, after noise reduction process, compound stereoscopic.
Step S203, the voice data compound stereoscopic sound gathered according to determined each microphone plan.
The present embodiment is by determining that according to sound typing signal the voice data gathered intended by each microphone, the voice data compound stereoscopic sound gathered is intended according to determined each microphone, terminal can be made to have and to record high-quality stereophonic recording function, further increase stereosonic definition, the present embodiment adopts binary channels or multichannel recording, recording effect has space sense clearly, can meet high-quality stereophonic recording demand.
Embodiment three
Fig. 3 is the stereo method for recording flow chart described in the present embodiment, and as shown in Figure 3, the stereo method for recording described in the present embodiment comprises:
Step S301, obtain sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively.
Step S302, according to the amplitude difference of the peak-peak signal of the voice signal of terminal and auxiliary device typing and phase difference, judge main sound source and describedly to access terminal and the position relationship of auxiliary device.
Mention in embodiment two, the microphone of terminal auxiliary device, recording sound channel during sound recording can not only be increased, but also the microphone of auxiliary device can be utilized to realize other functions.Embodiment two carries out noise by the microphone of auxiliary device, adopts noise reduction method of offset to carry out noise reduction to the voice signal obtained from other microphones, and then compound stereoscopic sound, to obtain the stereo of more high-quality.In addition, the microphone that also can be further advanced by preassignment carries out position setting, makes multiple microphone only record the sound of assigned direction, realizes directed recording.
The sound that a sound source sends, when passing to two ears of people respectively, has very fine distinction, and people, by this difference, can judge the position of sound source.
Left and right acoustic channels is that double-tone rings, and when seeing a film, in order to make people on the spot in person, the left side has thing to ring corresponding left side sound equipment sound, and the right has thing sound corresponding the right sound equipment to ring.Also have now the quadraphony of four sound equipments, the Eight-channel of eight sound equipments, can allow people have more three-dimensional sensation, this be people machine simulation nature, the sense of hearing custom of people. make dual track, and multichannel, the sound of broadcast has left and right, the third dimension of front and back.
Such as, this step is by separating a segment distance by the mobile phone of single microphone and the microphone on its earphone, the recording microphone started on rear mobile phone and earphone detects amplitude difference and the phase difference of typing peak-peak signal, then judge the orientation of maximum sound generation source between two microphones, realize directed recording with the intensity increasing the recorded audio signals in this orientation.
Step S303, the intensity increased near the voice signal of the terminal of main sound source and the microphone typing of auxiliary device are recorded to carry out orientation.
By in previous step, after judging the orientation of maximum sound generation source between two microphones, the intensity increasing the recorded audio signals in this orientation realizes directed recording.
Step S304, the voice data compound stereoscopic sound gathered according to determined each microphone plan.
It should be noted that, the present embodiment also in conjunction with implementation column two, can adopt microphone acquisition noise data, carries out denoising according to this noise data to the voice data that other microphones obtain, finally by the voice data compound stereoscopic sound after process, improve the quality of sound further.
The present embodiment is by the amplitude difference of the peak-peak signal of the voice signal according to terminal and auxiliary device typing and phase difference, judge main sound source and describedly to access terminal and the position relationship of auxiliary device, increase the intensity of the voice signal of the close terminal of main sound source and the microphone typing of auxiliary device to carry out orientation recording, terminal can be made to have stereophonic recording function, the effect overcoming monaural recording lacks direction feeling, the shortcoming of poor definition, the present embodiment adopts binary channels or multichannel recording, recording effect has the accurate location of space sense and sound clearly, high-quality recording demand can be met.
Embodiment four
Fig. 4 is the structured flowchart of the stereo record device described in the present embodiment, and as shown in Figure 4, the stereo record device described in the present embodiment comprises:
Sound typing signal acquiring unit 401, for obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively;
Stereo synthesis unit 402, for stereo according to obtained sound typing signal syntheses.
Further, described sound typing signal acquiring unit 401 specifically for: obtain sound typing signal from microphone on the microphone of the auxiliary device accessed terminal and described terminal body respectively;
Described stereo synthesis unit 402 specifically for: specifically comprise according to the obtained stereosonic operation of sound typing signal syntheses: by the sound typing signal obtained from the microphone of on auxiliary device, and from the sound typing signal that the microphone of terminal body obtains, write left and right acoustic channels respectively stereo as what synthesize.
Further, described sound typing signal acquiring unit 401 specifically for: obtain sound typing signal from microphone on the microphone at least two auxiliary devices accessed terminal and described terminal body respectively;
Described stereo synthesis unit 402 specifically for: according to surround sound more than obtained sound typing signal syntheses triple-track or triple-track.
Further, the auxiliary device accessed terminal described in comprises bluetooth, bracelet and the four-section type headset with microphone.
The stereo record device that the present embodiment provides can perform the stereo method for recording that the embodiment of the present invention one provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment five
Fig. 5 is the structured flowchart of the stereo record device described in the present embodiment, and as shown in Figure 5, the stereo record device described in the present embodiment comprises:
Sound typing signal acquiring unit 501, for obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively.
Voice data and noise data determining unit 502, for determining that according to described sound typing signal the voice data gathered intended by each microphone.
Stereo synthesis unit 503, for the voice data compound stereoscopic sound intending gathering according to determined each microphone.
Further, described voice data and noise data determining unit 502 specifically for:
The sound typing signal obtained by microphone from the auxiliary device be placed near noise source is as noise data;
Using the voice data gathered as plan after reference noise data described in the sound typing signal cancellation obtained from other microphones.
The stereo record device that the present embodiment provides can perform the stereo method for recording that the embodiment of the present invention two provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment six
Fig. 6 is the structured flowchart of the stereo record device described in the present embodiment, and as shown in Figure 6, the stereo record device described in the present embodiment comprises:
Sound typing signal acquiring unit 601, for obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively.
Directed recoding unit 602, for amplitude difference and the phase difference of the peak-peak signal of the voice signal according to terminal and auxiliary device typing, judges that main sound source accesses terminal and the position relationship of auxiliary device with described; Increase the intensity of the voice signal of the close terminal of main sound source and the microphone typing of auxiliary device to carry out orientation recording.
Stereo synthesis unit 603, for stereo according to obtained sound typing signal syntheses.
Further, the auxiliary device accessed terminal described in comprises bluetooth, bracelet and the four-section type headset with microphone.
The stereo record device that the present embodiment provides can perform the stereo method for recording that the embodiment of the present invention three provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
All or part of content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computer, CD or floppy disk.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (13)
1. a stereo method for recording, is characterized in that, comprising:
Sound typing signal is obtained respectively from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body;
Stereo according to obtained sound typing signal syntheses.
2. stereo method for recording as claimed in claim 1, it is characterized in that, the described operation obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively specifically comprises: obtain sound typing signal from a microphone on the microphone of the auxiliary device accessed terminal and described terminal body respectively;
Specifically comprise according to the obtained stereosonic operation of sound typing signal syntheses: by the sound typing signal obtained from the microphone of on auxiliary device, and from the sound typing signal that the microphone of terminal body obtains, write left and right acoustic channels respectively stereo as what synthesize.
3. stereo method for recording as claimed in claim 1, is characterized in that, specifically comprises respectively from the operation of at least one microphone the auxiliary device accessed terminal and the acquisition of at least one microphone on described terminal body sound typing signal:
Sound typing signal is obtained respectively from a microphone on the microphone at least two auxiliary devices accessed terminal and described terminal body;
Specifically comprise according to the obtained stereosonic operation of sound typing signal syntheses:
According to surround sound more than obtained sound typing signal syntheses triple-track or triple-track.
4. the stereo method for recording as described in as arbitrary in claim 1-3, it is characterized in that, after obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively, and also comprised before stereo according to obtained sound typing signal syntheses: determine that the voice data gathered intended by each microphone according to described sound typing signal;
Describedly specifically to comprise according to the obtained stereosonic operation of sound typing signal syntheses: intend the voice data compound stereoscopic sound gathered according to determined each microphone.
5. stereo method for recording as claimed in claim 4, is characterized in that, determines that the operation of the voice data that each microphone plan gathers specifically comprises according to described sound typing signal:
The sound typing signal obtained by microphone from the auxiliary device be placed near noise source is as noise data;
Using the voice data gathered as plan after reference noise data described in the sound typing signal cancellation obtained from other microphones.
6. stereo method for recording as claimed in claim 1, it is characterized in that, respectively from after at least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body obtain sound typing signal, and also comprised before stereo according to obtained sound typing signal syntheses:
According to amplitude difference and the phase difference of the peak-peak signal of the voice signal of terminal and auxiliary device typing, judge main sound source and describedly to access terminal and the position relationship of auxiliary device;
Increase the intensity of the voice signal of the close terminal of main sound source and the microphone typing of auxiliary device to carry out orientation recording.
7. stereo method for recording as claimed in claim 1, is characterized in that, described in the auxiliary device that accesses terminal comprise bluetooth, bracelet and the four-section type headset with microphone.
8. a stereo record device, is characterized in that, comprising:
Sound typing signal acquiring unit, for obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively;
Stereo synthesis unit, for stereo according to obtained sound typing signal syntheses.
9. stereo record device as claimed in claim 8, is characterized in that:
Described sound typing signal acquiring unit specifically for: obtain sound typing signal from microphone on the microphone of the auxiliary device accessed terminal and described terminal body respectively;
Described stereo synthesis unit specifically for: specifically comprise according to the obtained stereosonic operation of sound typing signal syntheses: by the sound typing signal obtained from the microphone of on auxiliary device, and from the sound typing signal that the microphone of terminal body obtains, write left and right acoustic channels respectively stereo as what synthesize.
10. stereo record device as claimed in claim 8, is characterized in that,
Described sound typing signal acquiring unit specifically for: obtain sound typing signal from microphone on the microphone at least two auxiliary devices accessed terminal and described terminal body respectively;
Described stereo synthesis unit specifically for: according to surround sound more than obtained sound typing signal syntheses triple-track or triple-track.
11. as arbitrary in claim 8-10 as described in stereo record device, it is characterized in that, described device also comprises voice data and noise data determining unit, for after obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively, and before stereo according to obtained sound typing signal syntheses, determine that the voice data gathered intended by each microphone according to described sound typing signal;
Described stereo synthesis unit specifically for: intend the voice data compound stereoscopic sound gathered according to determined each microphone.
12. stereo record devices as claimed in claim 11, is characterized in that, described voice data and noise data determining unit specifically for:
The sound typing signal obtained by microphone from the auxiliary device be placed near noise source is as noise data;
Using the voice data gathered as plan after reference noise data described in the sound typing signal cancellation obtained from other microphones.
13. as arbitrary in claim 8-11 as described in stereo record device, it is characterized in that, described device also comprises directed recoding unit, for after obtaining sound typing signal from least one microphone the auxiliary device accessed terminal and at least one microphone on described terminal body respectively, and before stereo according to obtained sound typing signal syntheses:
According to amplitude difference and the phase difference of the peak-peak signal of the voice signal of terminal and auxiliary device typing, judge main sound source and describedly to access terminal and the position relationship of auxiliary device;
Increase the intensity of the voice signal of the close terminal of main sound source and the microphone typing of auxiliary device to carry out orientation recording.
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| CN201410675594.6A CN104581512A (en) | 2014-11-21 | 2014-11-21 | Stereo recording method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070304A (en) * | 2015-08-11 | 2015-11-18 | 小米科技有限责任公司 | Method, device and electronic equipment for realizing recording of object audio |
| CN105407443A (en) * | 2015-10-29 | 2016-03-16 | 小米科技有限责任公司 | Sound recording method and device |
| CN105654960A (en) * | 2015-09-21 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Terminal sound denoising processing method and apparatus thereof |
| CN108111952A (en) * | 2017-12-26 | 2018-06-01 | 上海展扬通信技术有限公司 | A kind of way of recording, device, terminal and computer readable storage medium |
| CN109712629A (en) * | 2017-10-25 | 2019-05-03 | 北京小米移动软件有限公司 | The synthetic method and device of audio file |
| CN109922420A (en) * | 2019-04-08 | 2019-06-21 | 北京东奥时代教育科技有限公司 | One kind realizing stereosonic method based on sound channel copy |
| CN111970626A (en) * | 2020-08-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Recording method and apparatus, recording system, and storage medium |
| CN111970625A (en) * | 2020-08-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Recording method and device, terminal and storage medium |
| WO2022218271A1 (en) * | 2021-04-17 | 2022-10-20 | 华为技术有限公司 | Video recording method and electronic devices |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005176063A (en) * | 2003-12-12 | 2005-06-30 | Canon Inc | Image pickup device with sound recording function and its sound recording method |
| CN101115322A (en) * | 2006-07-28 | 2008-01-30 | 美商富迪科技股份有限公司 | Electronic device with external connection microphone to change radio-receiving mode and radio-receiving method |
| US20100008511A1 (en) * | 2008-07-08 | 2010-01-14 | Kabushiki Kaisha ZOOM | Microphone unit for stereophonic recording |
| CN102075599A (en) * | 2011-01-07 | 2011-05-25 | 蔡镇滨 | Device and method for reducing environmental noise |
| CN102164328A (en) * | 2010-12-29 | 2011-08-24 | 中国科学院声学研究所 | Audio input system used in home environment based on microphone array |
| US20110301730A1 (en) * | 2010-06-02 | 2011-12-08 | Sony Corporation | Method for determining a processed audio signal and a handheld device |
| US8457328B2 (en) * | 2008-04-22 | 2013-06-04 | Nokia Corporation | Method, apparatus and computer program product for utilizing spatial information for audio signal enhancement in a distributed network environment |
| US20140064497A1 (en) * | 2012-08-30 | 2014-03-06 | Teac Corporation | Amplifier unit and mobile electronic device provided with the amplifier unit |
| CN105321538A (en) * | 2014-08-04 | 2016-02-10 | 中兴通讯股份有限公司 | Audio data recording method and apparatus |
-
2014
- 2014-11-21 CN CN201410675594.6A patent/CN104581512A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005176063A (en) * | 2003-12-12 | 2005-06-30 | Canon Inc | Image pickup device with sound recording function and its sound recording method |
| CN101115322A (en) * | 2006-07-28 | 2008-01-30 | 美商富迪科技股份有限公司 | Electronic device with external connection microphone to change radio-receiving mode and radio-receiving method |
| US8457328B2 (en) * | 2008-04-22 | 2013-06-04 | Nokia Corporation | Method, apparatus and computer program product for utilizing spatial information for audio signal enhancement in a distributed network environment |
| US20100008511A1 (en) * | 2008-07-08 | 2010-01-14 | Kabushiki Kaisha ZOOM | Microphone unit for stereophonic recording |
| US20110301730A1 (en) * | 2010-06-02 | 2011-12-08 | Sony Corporation | Method for determining a processed audio signal and a handheld device |
| CN102355748A (en) * | 2010-06-02 | 2012-02-15 | 索尼公司 | Method for determining a processed audio signal and a handheld device |
| CN102164328A (en) * | 2010-12-29 | 2011-08-24 | 中国科学院声学研究所 | Audio input system used in home environment based on microphone array |
| CN102075599A (en) * | 2011-01-07 | 2011-05-25 | 蔡镇滨 | Device and method for reducing environmental noise |
| US20140064497A1 (en) * | 2012-08-30 | 2014-03-06 | Teac Corporation | Amplifier unit and mobile electronic device provided with the amplifier unit |
| CN105321538A (en) * | 2014-08-04 | 2016-02-10 | 中兴通讯股份有限公司 | Audio data recording method and apparatus |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070304B (en) * | 2015-08-11 | 2018-09-04 | 小米科技有限责任公司 | Realize method and device, the electronic equipment of multi-object audio recording |
| WO2017024721A1 (en) * | 2015-08-11 | 2017-02-16 | 小米科技有限责任公司 | Method and apparatus for implementing recording of object audio, and electronic device |
| US9966084B2 (en) | 2015-08-11 | 2018-05-08 | Xiaomi Inc. | Method and device for achieving object audio recording and electronic apparatus |
| CN105070304A (en) * | 2015-08-11 | 2015-11-18 | 小米科技有限责任公司 | Method, device and electronic equipment for realizing recording of object audio |
| CN105654960A (en) * | 2015-09-21 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Terminal sound denoising processing method and apparatus thereof |
| CN105407443A (en) * | 2015-10-29 | 2016-03-16 | 小米科技有限责任公司 | Sound recording method and device |
| US9930467B2 (en) | 2015-10-29 | 2018-03-27 | Xiaomi Inc. | Sound recording method and device |
| CN109712629A (en) * | 2017-10-25 | 2019-05-03 | 北京小米移动软件有限公司 | The synthetic method and device of audio file |
| CN109712629B (en) * | 2017-10-25 | 2021-05-14 | 北京小米移动软件有限公司 | Audio file synthesis method and device |
| CN108111952A (en) * | 2017-12-26 | 2018-06-01 | 上海展扬通信技术有限公司 | A kind of way of recording, device, terminal and computer readable storage medium |
| CN108111952B (en) * | 2017-12-26 | 2020-07-31 | 上海展扬通信技术有限公司 | Recording method, device, terminal and computer readable storage medium |
| CN109922420A (en) * | 2019-04-08 | 2019-06-21 | 北京东奥时代教育科技有限公司 | One kind realizing stereosonic method based on sound channel copy |
| CN111970626A (en) * | 2020-08-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Recording method and apparatus, recording system, and storage medium |
| CN111970625A (en) * | 2020-08-28 | 2020-11-20 | Oppo广东移动通信有限公司 | Recording method and device, terminal and storage medium |
| CN111970626B (en) * | 2020-08-28 | 2022-03-22 | Oppo广东移动通信有限公司 | Recording method and apparatus, recording system, and storage medium |
| CN111970625B (en) * | 2020-08-28 | 2022-03-22 | Oppo广东移动通信有限公司 | Recording method and device, terminal and storage medium |
| WO2022218271A1 (en) * | 2021-04-17 | 2022-10-20 | 华为技术有限公司 | Video recording method and electronic devices |
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