GB2532379A - Wind noise reduction - Google Patents
Wind noise reduction Download PDFInfo
- Publication number
- GB2532379A GB2532379A GB1602193.3A GB201602193A GB2532379A GB 2532379 A GB2532379 A GB 2532379A GB 201602193 A GB201602193 A GB 201602193A GB 2532379 A GB2532379 A GB 2532379A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wind noise
- sub
- band
- noise reduction
- threshold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- 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
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/09—Electronic reduction of distortion of stereophonic sound systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
Abstract
A method of wind noise reduction. Left side and right side microphone signals are obtained. In a first stage wind noise reduction is applied to a first sub-band of one of the signals, below a spectral threshold NA. In a second stage the wind noise reduced first side signal, and the second side signal, are both split into a sub-band below a threshold NB less than NA. The sub-band of the first side signal is mixed with the sub-band of the second side signal to produce an aggregate third sub-band signal having reduced wind noise, which is recombined with the respective sub- bands above the threshold NB to produce output first and second side signals.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013902592A AU2013902592A0 (en) | 2013-07-12 | Wind Noise Reduction | |
AU2014901430A AU2014901430A0 (en) | 2014-04-17 | Wind Noise Reduction | |
PCT/AU2014/000714 WO2015003220A1 (en) | 2013-07-12 | 2014-07-11 | Wind noise reduction |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201602193D0 GB201602193D0 (en) | 2016-03-23 |
GB2532379A true GB2532379A (en) | 2016-05-18 |
GB2532379B GB2532379B (en) | 2019-06-19 |
Family
ID=52279230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1602193.3A Active GB2532379B (en) | 2013-07-12 | 2014-07-11 | Two-stage wind noise reduction method |
Country Status (4)
Country | Link |
---|---|
US (1) | US9589573B2 (en) |
AU (1) | AU2014289973A1 (en) |
GB (1) | GB2532379B (en) |
WO (1) | WO2015003220A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015157827A1 (en) * | 2014-04-17 | 2015-10-22 | Wolfson Dynamic Hearing Pty Ltd | Retaining binaural cues when mixing microphone signals |
WO2017065092A1 (en) * | 2015-10-13 | 2017-04-20 | ソニー株式会社 | Information processing device |
WO2017064914A1 (en) * | 2015-10-13 | 2017-04-20 | ソニー株式会社 | Information-processing device |
EP3364663B1 (en) * | 2015-10-13 | 2020-12-02 | Sony Corporation | Information processing device |
DE102015222105A1 (en) * | 2015-11-10 | 2017-05-11 | Volkswagen Aktiengesellschaft | Audio signal processing in a vehicle |
US9812149B2 (en) * | 2016-01-28 | 2017-11-07 | Knowles Electronics, Llc | Methods and systems for providing consistency in noise reduction during speech and non-speech periods |
KR102320303B1 (en) | 2016-05-31 | 2021-11-02 | 미츠비시 가스 가가쿠 가부시키가이샤 | Resin composition, laminate, semiconductor wafer with resin composition layer, substrate for mounting semiconductor with resin composition layer, and semiconductor device |
US9838815B1 (en) * | 2016-06-01 | 2017-12-05 | Qualcomm Incorporated | Suppressing or reducing effects of wind turbulence |
GB2555139A (en) | 2016-10-21 | 2018-04-25 | Nokia Technologies Oy | Detecting the presence of wind noise |
US10388298B1 (en) * | 2017-05-03 | 2019-08-20 | Amazon Technologies, Inc. | Methods for detecting double talk |
US10297245B1 (en) | 2018-03-22 | 2019-05-21 | Cirrus Logic, Inc. | Wind noise reduction with beamforming |
WO2020113532A1 (en) * | 2018-12-06 | 2020-06-11 | Beijing Didi Infinity Technology And Development Co., Ltd. | Speech communication system and method for improving speech intelligibility |
US10721562B1 (en) * | 2019-04-30 | 2020-07-21 | Synaptics Incorporated | Wind noise detection systems and methods |
US10917716B2 (en) | 2019-06-19 | 2021-02-09 | Cirrus Logic, Inc. | Apparatus for and method of wind detection |
TWI779261B (en) * | 2020-01-22 | 2022-10-01 | 仁寶電腦工業股份有限公司 | Wind shear sound filtering device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001352594A (en) * | 2000-06-07 | 2001-12-21 | Sony Corp | Method and device for reducing wind sound |
US20070058822A1 (en) * | 2005-09-12 | 2007-03-15 | Sony Corporation | Noise reducing apparatus, method and program and sound pickup apparatus for electronic equipment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8428275B2 (en) * | 2007-06-22 | 2013-04-23 | Sanyo Electric Co., Ltd. | Wind noise reduction device |
US9131307B2 (en) * | 2012-12-11 | 2015-09-08 | JVC Kenwood Corporation | Noise eliminating device, noise eliminating method, and noise eliminating program |
-
2014
- 2014-07-11 AU AU2014289973A patent/AU2014289973A1/en not_active Abandoned
- 2014-07-11 US US14/904,365 patent/US9589573B2/en active Active
- 2014-07-11 GB GB1602193.3A patent/GB2532379B/en active Active
- 2014-07-11 WO PCT/AU2014/000714 patent/WO2015003220A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001352594A (en) * | 2000-06-07 | 2001-12-21 | Sony Corp | Method and device for reducing wind sound |
US20070058822A1 (en) * | 2005-09-12 | 2007-03-15 | Sony Corporation | Noise reducing apparatus, method and program and sound pickup apparatus for electronic equipment |
Also Published As
Publication number | Publication date |
---|---|
AU2014289973A1 (en) | 2016-03-03 |
US20160155453A1 (en) | 2016-06-02 |
GB2532379B (en) | 2019-06-19 |
WO2015003220A9 (en) | 2015-03-26 |
US9589573B2 (en) | 2017-03-07 |
GB201602193D0 (en) | 2016-03-23 |
WO2015003220A1 (en) | 2015-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20160901 AND 20160907 |