CN102209135A - Device and method for reducing wind noise of mobile terminal - Google Patents
Device and method for reducing wind noise of mobile terminal Download PDFInfo
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- CN102209135A CN102209135A CN201110132375XA CN201110132375A CN102209135A CN 102209135 A CN102209135 A CN 102209135A CN 201110132375X A CN201110132375X A CN 201110132375XA CN 201110132375 A CN201110132375 A CN 201110132375A CN 102209135 A CN102209135 A CN 102209135A
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- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000011946 reduction process Methods 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17823—Reference signals, e.g. ambient acoustic environment
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
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Abstract
The invention discloses a device and method for reducing the wind noise of a mobile terminal. The device comprises a wind noise signal acquisition module, a wind noise signal detection module and a wind noise processing module, wherein the wind noise signal acquisition module is used for acquiring an external wind noise signal, converting the external wind noise signal into an electric signal and outputting the electric signal to the wind noise signal detection module and the wind noise processing module; the wind noise signal detection module is used for detecting a wind noise signal output by the wind noise signal acquisition module and triggering the wind noise processing module when wind noise reducing processing is required; and the wind noise processing module is used for performing filtering, amplification and phase conversion processing on the wind noise signal output by the wind noise signal acquisition module and outputting the processed wind noise single to an earphone of the mobile terminal. According to the device and the method, the voice quality of an earphone side of one party is improved, and the party can clearly hear the voice of another party; and the voice quality of the earphone side of the other party is improved, the other party can clearly hear the voice of one party, communication is more clear and smooth, and the conversation effect of a user outdoors, particularly under wind condition is greatly improved.
Description
Technical field
The present invention relates to communication technical field, relating in particular to a kind of being used for falls the device and method that wind is made an uproar to portable terminal.
Background technology
Along with the fast development of mobile communication technology, mobile phone has become the indispensable necessity of people's daily life now.
But communication effect was good when existing common mobile phone especially used in the indoor environment in general environment for use, but use out of doors when especially using in the bigger field of wind-force, wind noise is very obvious, not only oneself do not hear the voice signal that the other side passes over, and the wind noise cancellation signal can be delivered to the other side's receiver side by microphone, make the other side not hear oneself voice signal, both sides' interchange is caused very large obstacle, had a strong impact on the effect and the quality of conversation.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of being used for the device and method that wind is made an uproar is fallen in portable terminal, in order to solve in the prior art because the poor problem of communication effect that wind is made an uproar and brought to portable terminal.
Purpose of the present invention mainly is achieved through the following technical solutions:
The invention provides a kind of being used for falls the device that wind is made an uproar to portable terminal, comprising: wind noise cancellation signal acquisition module, wind noise cancellation signal detection module and wind noise cancellation signal processing module, wherein,
Described wind noise cancellation signal acquisition module is used to gather extraneous wind noise cancellation signal, and converts thereof into the signal of telecommunication and export to described wind noise cancellation signal detection module and described wind noise cancellation signal processing module;
Described wind noise cancellation signal detection module is used for the wind noise cancellation signal of described wind noise cancellation signal acquisition module output is detected, and triggers described wind noise cancellation signal processing module when determining that need fall wind makes an uproar processing;
Described wind noise cancellation signal processing module is used for the wind noise cancellation signal of described wind noise cancellation signal acquisition module output is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled.
Further, described wind noise cancellation signal detection module specifically is used for, to the wind noise cancellation signal filtering High-frequency Interference and the amplification of described wind noise cancellation signal acquisition module output, judge that then whether it is greater than predetermined wind noise cancellation signal fault value, if trigger the described wind processing module of making an uproar, otherwise do not make noise reduction process.
Further, described wind noise cancellation signal processing module specifically comprises: filter unit and reverse amplifying unit, wherein,
Described filter unit is used for exporting to described reverse amplifying unit after the wind noise cancellation signal filtering low-frequency disturbance to described wind noise cancellation signal acquisition module output;
Described reverse amplifying unit is used for that wind noise cancellation signal with the output of described filter unit amplifies successively, amplitude and Phase Processing, and the amplitude that makes output is identical with the wind noise cancellation signal amplitude of people's ear side, phase place is opposite.
Further, also comprise: the passive wind module of making an uproar of falling, this module comprises: uni-directional microphone, microphone gum cover, wherein,
Described uni-directional microphone is arranged at the precalculated position of mobile terminal shell, and its phonate hole points to the sound hole of portable terminal fore shell;
Described microphone gum cover is enclosed within on the described uni-directional microphone, and the phonate hole physics of its perforate and described uni-directional microphone staggers.
Further, the described passive wind module of making an uproar of falling also comprises: the poroid wind material of making an uproar that falls, one side closely contacts another side and the tight crimping of described microphone gum cover with the portable terminal fore shell.
The present invention also provides a kind of being used for that the method that wind is made an uproar is fallen in portable terminal, comprising:
Steps A: gather extraneous wind noise cancellation signal, and convert signal of telecommunication output to;
Step B: the wind noise cancellation signal to steps A output detects, and when determining that need fall wind makes an uproar processing, it is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled.
Further, described step B specifically comprises
To wind noise cancellation signal filtering High-frequency Interference and the amplification that converts the signal of telecommunication to;
Judge the filtering High-frequency Interference and amplify after the wind noise cancellation signal whether greater than predetermined wind noise cancellation signal fault value, if, wind noise cancellation signal filtering low-frequency disturbance to steps A output, and amplify successively, amplitude and Phase Processing, the amplitude that makes output is identical with the wind noise cancellation signal amplitude of people's ear side, phase place is opposite; Otherwise do not make noise reduction process.
Beneficial effect of the present invention is as follows:
The embodiment of the invention is fallen initiatively that wind is made an uproar and passively to fall the wind processing of making an uproar by increasing, and one side is improved the voice quality of own receiver side, makes and oneself can hear the other side's voice clearly; Improve the voice quality of the other side's receiver side on the other hand, make hearing the voice of oneself clearly, make communication more clear, smooth, having improved the user greatly particularly has communication effect under the landscape condition out of doors.
Other features and advantages of the present invention will be set forth in the following description, and becoming apparent from specification of part perhaps understood by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the described device of the embodiment of the invention;
Fig. 2 is in the embodiment of the invention, the structural representation of wind noise cancellation signal processing module;
Fig. 3 is in the embodiment of the invention, passive the make an uproar structural representation of module of wind that falls;
Fig. 4 is the schematic flow sheet of the described method of the embodiment of the invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used from explaination principle of the present invention with embodiments of the invention one.For clear and simplification purpose, when it may make theme of the present invention smudgy, with specifying in detail of known function and structure in the omission device described herein.
1 pair of described device of the embodiment of the invention is elaborated at first, in conjunction with the accompanying drawings.
As shown in Figure 1, Fig. 1 is the structural representation of the described device of the embodiment of the invention, specifically can comprise: wind noise cancellation signal acquisition module 11, wind noise cancellation signal detection module 12, wind noise cancellation signal processing module 13, wherein
Wind noise cancellation signal acquisition module 11 is gathered extraneous wind noise cancellation signal, and converts the signal of telecommunication to and output to wind noise cancellation signal detection module 12 and wind noise cancellation signal processing module 13;
Wind noise cancellation signal detection module 12, the wind noise cancellation signal that wind noise cancellation signal acquisition module 11 is exported detects, and triggers wind noise cancellation signal processing module 13 when determining that need fall wind makes an uproar processing; Be exactly specifically, the wind noise cancellation signal filtering High-frequency Interference of 12 pairs of wind noise cancellation signals of wind noise cancellation signal detection module acquisition module, 11 outputs is also amplified, and whether judges it then greater than predetermined wind noise cancellation signal fault value, if, trigger wind noise cancellation signal processing module 13, otherwise do not make noise reduction process.
Wind noise cancellation signal processing module 13, the wind noise cancellation signal of wind noise cancellation signal acquisition module 11 outputs is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled, the wind noise cancellation signal that makes it to occur with the receiver side offsets, thereby realizes initiatively falling the effect that honeybee is made an uproar.
As shown in Figure 2, Fig. 2 is the structural representation of wind noise cancellation signal processing module 13, and wind noise cancellation signal processing module 13 mainly comprises filter unit 131 and reverse amplifying unit 132.
Filter unit 131 mainly is that the wind noise cancellation signal that wind noise cancellation signal acquisition module 11 is gathered is handled, the low frequency signal that filtering wherein mixes (being mainly non-speech audio), make carry out oppositely, the signal of processing and amplifying is cleaner;
Reverse amplifying unit 132 mainly is to the amplifying of filtered wind noise cancellation signal, amplitude and Phase Processing, makes the amplitude of its output identical with the wind noise cancellation signal amplitude of people's ear side, and phase place is opposite, and then with the wind noise counteracting, plays and fall the effect that wind is made an uproar.
More than several modules mainly play and initiatively fall the effect that wind is made an uproar, the wind effect of making an uproar is better fallen in order to play, the described device of the embodiment of the invention can also comprise: the passive wind module of making an uproar of falling; As shown in Figure 3, Fig. 3 is passive the make an uproar structural representation of module of wind that falls, and specifically can comprise: uni-directional microphone 31, microphone gum cover 32, the poroid wind material 33 of making an uproar that falls,
Uni-directional microphone 31, its phonate hole points to the sound hole on the portable terminal fore shell 34;
Microphone gum cover 32, with the uni-directional microphone physical connection, be enclosed within on the uni-directional microphone 31, the phonate hole physics of its perforate and uni-directional microphone staggers, and fall the wind material 33 tight crimping of making an uproar with poroid, the noise signal of shutoff portable terminal inside is delivered to microphone; Simultaneously, the poroid wind material 33 of making an uproar that falls closely contacts with portable terminal fore shell 34, can weaken the wind noise cancellation signal that the external world enters microphone, and then plays and suppress the effect that the other side hears wind noise.
Next, 4 pairs of described methods of the embodiment of the invention are elaborated in conjunction with the accompanying drawings.
As shown in Figure 4, Fig. 4 is the schematic flow sheet of the described method of the embodiment of the invention, specifically can comprise the steps:
Step 401: gather extraneous wind noise cancellation signal, and convert signal of telecommunication output to;
Step 402: the wind noise cancellation signal to step 401 output detects, and when determining that need fall wind makes an uproar processing, it is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled.
Described step 402 specifically comprises
To wind noise cancellation signal filtering High-frequency Interference and the amplification that converts the signal of telecommunication to;
Judge the filtering High-frequency Interference and amplify after the wind noise cancellation signal whether greater than predetermined wind noise cancellation signal fault value, if, wind noise cancellation signal filtering low-frequency disturbance to step 401 output, and amplify successively, amplitude and Phase Processing, make the amplitude of output identical with the wind noise cancellation signal amplitude of people's ear side, phase place is opposite; Otherwise do not make noise reduction process.
In sum, the embodiment of the invention provides a kind of being used for that the device and method that wind is made an uproar is fallen in portable terminal, compare with general communication portable terminal, the embodiment of the invention has increased falls initiatively that wind is made an uproar and passively falls the wind processing of making an uproar, improve the voice quality of own receiver side on the one hand, make and oneself can hear the other side's voice clearly; Improve the voice quality of the other side's receiver side on the other hand, make hearing the voice of oneself clearly, make communication more clear, smooth, having improved the user greatly particularly has communication effect under the landscape condition out of doors.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (7)
1. one kind is used for the device that wind is made an uproar is fallen in portable terminal, it is characterized in that, comprising: wind noise cancellation signal acquisition module, wind noise cancellation signal detection module and wind noise cancellation signal processing module, wherein,
Described wind noise cancellation signal acquisition module is used to gather extraneous wind noise cancellation signal, and converts thereof into the signal of telecommunication and export to described wind noise cancellation signal detection module and described wind noise cancellation signal processing module;
Described wind noise cancellation signal detection module is used for the wind noise cancellation signal of described wind noise cancellation signal acquisition module output is detected, and triggers described wind noise cancellation signal processing module when determining that need fall wind makes an uproar processing;
Described wind noise cancellation signal processing module is used for the wind noise cancellation signal of described wind noise cancellation signal acquisition module output is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled.
2. device according to claim 1, it is characterized in that, described wind noise cancellation signal detection module specifically is used for, wind noise cancellation signal filtering High-frequency Interference and amplification to described wind noise cancellation signal acquisition module output, judge that then whether it is greater than predetermined wind noise cancellation signal fault value, if trigger the described wind processing module of making an uproar, otherwise do not make noise reduction process.
3. device according to claim 1 is characterized in that, described wind noise cancellation signal processing module specifically comprises: filter unit and reverse amplifying unit, wherein,
Described filter unit is used for exporting to described reverse amplifying unit after the wind noise cancellation signal filtering low-frequency disturbance to described wind noise cancellation signal acquisition module output;
Described reverse amplifying unit is used for that wind noise cancellation signal with the output of described filter unit amplifies successively, amplitude and Phase Processing, and the amplitude that makes output is identical with the wind noise cancellation signal amplitude of people's ear side, phase place is opposite.
4. according to any described device in the claim 1 to 3, it is characterized in that, also comprise: the passive wind module of making an uproar of falling, this module comprises: uni-directional microphone, microphone gum cover, wherein,
Described uni-directional microphone is arranged at the precalculated position of mobile terminal shell, and its phonate hole points to the sound hole of portable terminal fore shell;
Described microphone gum cover is enclosed within on the described uni-directional microphone, and the phonate hole physics of its perforate and described uni-directional microphone staggers.
5. device according to claim 4 is characterized in that, the described passive wind module of making an uproar of falling also comprises: the poroid wind material of making an uproar that falls, one side closely contacts another side and the tight crimping of described microphone gum cover with the portable terminal fore shell.
6. one kind is used for the method that wind is made an uproar is fallen in portable terminal, it is characterized in that, comprising:
Steps A: gather extraneous wind noise cancellation signal, and convert signal of telecommunication output to;
Step B: the wind noise cancellation signal to steps A output detects, and when determining that need fall wind makes an uproar processing, it is carried out outputing to the portable terminal receiver after filtering, amplification and phse conversion are handled.
7. method according to claim 5 is characterized in that described step B specifically comprises
To wind noise cancellation signal filtering High-frequency Interference and the amplification that converts the signal of telecommunication to;
Judge the filtering High-frequency Interference and amplify after the wind noise cancellation signal whether greater than predetermined wind noise cancellation signal fault value, if, wind noise cancellation signal filtering low-frequency disturbance to steps A output, and amplify successively, amplitude and Phase Processing, the amplitude that makes output is identical with the wind noise cancellation signal amplitude of people's ear side, phase place is opposite; Otherwise do not make noise reduction process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110132375.XA CN102209135B (en) | 2011-05-20 | 2011-05-20 | For the device and method that mobile terminal fall wind is made an uproar |
| PCT/CN2011/078591 WO2012159380A1 (en) | 2011-05-20 | 2011-08-18 | Device and method for reducing wind noise for mobile terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110132375.XA CN102209135B (en) | 2011-05-20 | 2011-05-20 | For the device and method that mobile terminal fall wind is made an uproar |
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| Publication Number | Publication Date |
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| CN102209135A true CN102209135A (en) | 2011-10-05 |
| CN102209135B CN102209135B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110132375.XA Active CN102209135B (en) | 2011-05-20 | 2011-05-20 | For the device and method that mobile terminal fall wind is made an uproar |
Country Status (2)
| Country | Link |
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| CN (1) | CN102209135B (en) |
| WO (1) | WO2012159380A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104539819A (en) * | 2014-12-26 | 2015-04-22 | 贵州万臻时代通讯技术有限公司 | Method for restraining mobile communication terminal wind noise |
| WO2015176372A1 (en) * | 2014-05-22 | 2015-11-26 | 中兴通讯股份有限公司 | Method for reducing communication noise of intelligent terminal and intelligent terminal thereof |
| US9721581B2 (en) | 2015-08-25 | 2017-08-01 | Blackberry Limited | Method and device for mitigating wind noise in a speech signal generated at a microphone of the device |
| CN108121527A (en) * | 2016-11-28 | 2018-06-05 | 天津三星电子有限公司 | A kind of method and electronic equipment for exporting audio |
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| CN1802873A (en) * | 2003-06-06 | 2006-07-12 | 索尼爱立信移动通讯股份有限公司 | Microphone noise reduction |
| CN1910653A (en) * | 2004-01-20 | 2007-02-07 | 皇家飞利浦电子股份有限公司 | Enhanced usage of telephones in noisy surroundings |
| CN101211558A (en) * | 2006-12-28 | 2008-07-02 | 海尔集团公司 | Active noise reduction method and device |
| US20100278352A1 (en) * | 2007-05-25 | 2010-11-04 | Nicolas Petit | Wind Suppression/Replacement Component for use with Electronic Systems |
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| CN2588714Y (en) * | 2002-05-31 | 2003-11-26 | 黄大伟 | Noise-eliminating earphone |
| CN101197870A (en) * | 2006-12-05 | 2008-06-11 | 乐金电子(中国)研究开发中心有限公司 | Mobile terminal with adjustable speech quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1802873A (en) * | 2003-06-06 | 2006-07-12 | 索尼爱立信移动通讯股份有限公司 | Microphone noise reduction |
| CN1910653A (en) * | 2004-01-20 | 2007-02-07 | 皇家飞利浦电子股份有限公司 | Enhanced usage of telephones in noisy surroundings |
| CN101211558A (en) * | 2006-12-28 | 2008-07-02 | 海尔集团公司 | Active noise reduction method and device |
| US20100278352A1 (en) * | 2007-05-25 | 2010-11-04 | Nicolas Petit | Wind Suppression/Replacement Component for use with Electronic Systems |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015176372A1 (en) * | 2014-05-22 | 2015-11-26 | 中兴通讯股份有限公司 | Method for reducing communication noise of intelligent terminal and intelligent terminal thereof |
| CN104539819A (en) * | 2014-12-26 | 2015-04-22 | 贵州万臻时代通讯技术有限公司 | Method for restraining mobile communication terminal wind noise |
| US9721581B2 (en) | 2015-08-25 | 2017-08-01 | Blackberry Limited | Method and device for mitigating wind noise in a speech signal generated at a microphone of the device |
| CN108121527A (en) * | 2016-11-28 | 2018-06-05 | 天津三星电子有限公司 | A kind of method and electronic equipment for exporting audio |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102209135B (en) | 2016-09-07 |
| WO2012159380A1 (en) | 2012-11-29 |
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