CN101207939A - 低复杂度的回音补偿 - Google Patents
低复杂度的回音补偿 Download PDFInfo
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- CN101207939A CN101207939A CNA2007101608300A CN200710160830A CN101207939A CN 101207939 A CN101207939 A CN 101207939A CN A2007101608300 A CNA2007101608300 A CN A2007101608300A CN 200710160830 A CN200710160830 A CN 200710160830A CN 101207939 A CN101207939 A CN 101207939A
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- 238000005070 sampling Methods 0.000 claims abstract description 164
- 238000004458 analytical method Methods 0.000 claims abstract description 28
- 230000004044 response Effects 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 27
- 239000002131 composite material Substances 0.000 claims description 19
- 230000006978 adaptation Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 12
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
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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
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06026232A EP1936939B1 (en) | 2006-12-18 | 2006-12-18 | Low complexity echo compensation |
EP06026232.6 | 2006-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101207939A true CN101207939A (zh) | 2008-06-25 |
CN101207939B CN101207939B (zh) | 2013-04-03 |
Family
ID=37836719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101608300A Expired - Fee Related CN101207939B (zh) | 2006-12-18 | 2007-12-18 | 低复杂度的回音补偿 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8194852B2 (zh) |
EP (1) | EP1936939B1 (zh) |
JP (1) | JP5221117B2 (zh) |
KR (1) | KR101414688B1 (zh) |
CN (1) | CN101207939B (zh) |
AT (1) | ATE522078T1 (zh) |
CA (1) | CA2610940A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102428657A (zh) * | 2009-05-15 | 2012-04-25 | 意法爱立信(法国)有限公司 | 全双工音频通信终端 |
CN103886860B (zh) * | 2014-02-21 | 2017-05-24 | 联想(北京)有限公司 | 一种信息处理方法和电子设备 |
CN109509481A (zh) * | 2017-09-14 | 2019-03-22 | 国光电器股份有限公司 | 音频信号回声降低 |
CN110234043A (zh) * | 2019-05-31 | 2019-09-13 | 歌尔科技有限公司 | 基于麦克风阵列的声音信号处理方法、装置及设备 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100003530A (ko) * | 2008-07-01 | 2010-01-11 | 삼성전자주식회사 | 전자기기에서 음성 신호의 잡음 제거 장치 및 방법 |
EP2562751B1 (en) | 2011-08-22 | 2014-06-11 | Svox AG | Temporal interpolation of adjacent spectra |
JP6225920B2 (ja) | 2012-12-28 | 2017-11-08 | 株式会社ソシオネクスト | 音声認識付き機器及び音声認識方法 |
US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
DE102015222105A1 (de) | 2015-11-10 | 2017-05-11 | Volkswagen Aktiengesellschaft | Audiosignalverarbeitung in einem Fahrzeug |
US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
EP3804356A1 (en) | 2018-06-01 | 2021-04-14 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
CN112889296A (zh) | 2018-09-20 | 2021-06-01 | 舒尔获得控股公司 | 用于阵列麦克风的可调整的波瓣形状 |
JP2022526761A (ja) | 2019-03-21 | 2022-05-26 | シュアー アクイジッション ホールディングス インコーポレイテッド | 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置 |
US11558693B2 (en) | 2019-03-21 | 2023-01-17 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality |
EP3942842A1 (en) | 2019-03-21 | 2022-01-26 | Shure Acquisition Holdings, Inc. | Housings and associated design features for ceiling array microphones |
US11445294B2 (en) | 2019-05-23 | 2022-09-13 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
EP3977449A1 (en) | 2019-05-31 | 2022-04-06 | Shure Acquisition Holdings, Inc. | Low latency automixer integrated with voice and noise activity detection |
WO2021041275A1 (en) | 2019-08-23 | 2021-03-04 | Shore Acquisition Holdings, Inc. | Two-dimensional microphone array with improved directivity |
US11552611B2 (en) | 2020-02-07 | 2023-01-10 | Shure Acquisition Holdings, Inc. | System and method for automatic adjustment of reference gain |
CN111429930B (zh) * | 2020-03-16 | 2023-02-28 | 云知声智能科技股份有限公司 | 一种基于自适应采样率的降噪模型处理方法及系统 |
USD944776S1 (en) | 2020-05-05 | 2022-03-01 | Shure Acquisition Holdings, Inc. | Audio device |
US11706562B2 (en) | 2020-05-29 | 2023-07-18 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
JP2024505068A (ja) | 2021-01-28 | 2024-02-02 | シュアー アクイジッション ホールディングス インコーポレイテッド | ハイブリッドオーディオビーム形成システム |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2036078C (en) | 1990-02-21 | 1994-07-26 | Fumio Amano | Sub-band acoustic echo canceller |
US5263019A (en) | 1991-01-04 | 1993-11-16 | Picturetel Corporation | Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone |
CA2164025A1 (en) * | 1995-01-04 | 1996-07-05 | David Goodwin Shaw | Sub-band signal processor |
US5566167A (en) * | 1995-01-04 | 1996-10-15 | Lucent Technologies Inc. | Subband echo canceler |
DE19814971A1 (de) | 1998-04-03 | 1999-10-07 | Daimlerchrysler Aerospace Ag | Verfahren zur Störbefreiung eines Mikrophonsignals |
US6421377B1 (en) * | 1998-05-13 | 2002-07-16 | Globespanvirata, Inc. | System and method for echo cancellation over asymmetric spectra |
US6442275B1 (en) | 1998-09-17 | 2002-08-27 | Lucent Technologies Inc. | Echo canceler including subband echo suppressor |
US6049607A (en) | 1998-09-18 | 2000-04-11 | Lamar Signal Processing | Interference canceling method and apparatus |
JP2000209135A (ja) | 1999-01-20 | 2000-07-28 | Oki Electric Ind Co Ltd | エコ―キャンセラ |
US6510225B1 (en) | 1999-02-16 | 2003-01-21 | Denso Corporation | Ultrasonically-calibrated fast-start echo canceller for cellular and pcs telephone car kits |
FR2793629B1 (fr) | 1999-05-12 | 2001-08-03 | Matra Nortel Communications | Procede et dispositif d'annulation d'echo stereophonique a filtrage dans le domaine frequentiel |
US6526140B1 (en) | 1999-11-03 | 2003-02-25 | Tellabs Operations, Inc. | Consolidated voice activity detection and noise estimation |
US6853626B1 (en) | 2000-03-22 | 2005-02-08 | National University Of Singapore | Method and apparatus for echo cancellation in an asymmetric communication system |
EP1356589B1 (en) | 2001-01-23 | 2010-07-14 | Koninklijke Philips Electronics N.V. | Asymmetric multichannel filter |
JP3608525B2 (ja) | 2001-05-09 | 2005-01-12 | ヤマハ株式会社 | 2チャンネルエコーキャンセル用フィルタのインパルス応答設定方法および2チャンネルエコーキャンセラ並びに双方向2チャンネル音声伝送装置 |
JP3506138B2 (ja) | 2001-07-11 | 2004-03-15 | ヤマハ株式会社 | 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置 |
JP2003274003A (ja) * | 2002-03-13 | 2003-09-26 | Toshiba Corp | ハンズフリー通話装置及び携帯電話機 |
US20030185402A1 (en) | 2002-03-27 | 2003-10-02 | Lucent Technologies, Inc. | Adaptive distortion manager for use with an acoustic echo canceler and a method of operation thereof |
JP4161628B2 (ja) | 2002-07-19 | 2008-10-08 | 日本電気株式会社 | エコー抑圧方法及び装置 |
ATE315308T1 (de) * | 2002-09-12 | 2006-02-15 | Siemens Ag | Kommunikationsendgerät mit bandbreitenerweiterung und echokompensation |
US20040059571A1 (en) | 2002-09-24 | 2004-03-25 | Marantz Japan, Inc. | System for inputting speech, radio receiver and communication system |
US6990193B2 (en) | 2002-11-29 | 2006-01-24 | Mitel Knowledge Corporation | Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity |
DE10329055B4 (de) * | 2003-06-27 | 2005-10-13 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Echokompensation |
US20050213747A1 (en) | 2003-10-07 | 2005-09-29 | Vtel Products, Inc. | Hybrid monaural and multichannel audio for conferencing |
EP1704749A1 (en) * | 2004-01-07 | 2006-09-27 | Koninklijke Philips Electronics N.V. | Audio system having reverberation reducing filter |
US7577248B2 (en) | 2004-06-25 | 2009-08-18 | Texas Instruments Incorporated | Method and apparatus for echo cancellation, digit filter adaptation, automatic gain control and echo suppression utilizing block least mean squares |
KR100827146B1 (ko) | 2004-09-20 | 2008-05-02 | 삼성전자주식회사 | 이동 단말에서 반향 제거 방법 및 장치 |
JP2006203358A (ja) * | 2005-01-18 | 2006-08-03 | Toshiba Corp | エコーキャンセル回路および移動無線端末装置 |
DE602005003643T2 (de) | 2005-04-01 | 2008-11-13 | Mitel Networks Corporation, Ottawa | Verfahren zur Beschleunigung des Trainings eines akustischen Echokompensators in einem Vollduplexaudiokonferenzsystem durch akustische Strahlbildung |
US7970123B2 (en) | 2005-10-20 | 2011-06-28 | Mitel Networks Corporation | Adaptive coupling equalization in beamforming-based communication systems |
-
2006
- 2006-12-18 AT AT06026232T patent/ATE522078T1/de not_active IP Right Cessation
- 2006-12-18 EP EP06026232A patent/EP1936939B1/en active Active
-
2007
- 2007-11-19 CA CA002610940A patent/CA2610940A1/en not_active Abandoned
- 2007-12-07 JP JP2007317760A patent/JP5221117B2/ja active Active
- 2007-12-10 KR KR1020070127399A patent/KR101414688B1/ko active IP Right Grant
- 2007-12-13 US US11/955,862 patent/US8194852B2/en active Active
- 2007-12-18 CN CN2007101608300A patent/CN101207939B/zh not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102428657A (zh) * | 2009-05-15 | 2012-04-25 | 意法爱立信(法国)有限公司 | 全双工音频通信终端 |
CN102428657B (zh) * | 2009-05-15 | 2014-12-03 | 意法爱立信(法国)有限公司 | 全双工音频通信终端 |
CN103886860B (zh) * | 2014-02-21 | 2017-05-24 | 联想(北京)有限公司 | 一种信息处理方法和电子设备 |
CN109509481A (zh) * | 2017-09-14 | 2019-03-22 | 国光电器股份有限公司 | 音频信号回声降低 |
CN109509481B (zh) * | 2017-09-14 | 2020-12-15 | 国光电器股份有限公司 | 音频信号回声降低 |
CN110234043A (zh) * | 2019-05-31 | 2019-09-13 | 歌尔科技有限公司 | 基于麦克风阵列的声音信号处理方法、装置及设备 |
CN110234043B (zh) * | 2019-05-31 | 2020-08-25 | 歌尔科技有限公司 | 基于麦克风阵列的声音信号处理方法、装置及设备 |
Also Published As
Publication number | Publication date |
---|---|
CA2610940A1 (en) | 2008-06-18 |
EP1936939B1 (en) | 2011-08-24 |
ATE522078T1 (de) | 2011-09-15 |
KR20080056645A (ko) | 2008-06-23 |
US20080144848A1 (en) | 2008-06-19 |
EP1936939A1 (en) | 2008-06-25 |
KR101414688B1 (ko) | 2014-07-03 |
JP2008178087A (ja) | 2008-07-31 |
US8194852B2 (en) | 2012-06-05 |
JP5221117B2 (ja) | 2013-06-26 |
CN101207939B (zh) | 2013-04-03 |
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ASS | Succession or assignment of patent right |
Owner name: NUANCE COMMUNICATIONS INC. Free format text: FORMER OWNER: HARMANBECKER AUTOMOTIVE ELECTRONIC SYSTEMS CO,. LTD. Effective date: 20100421 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: KARLSBAD, GERMANY TO: MASSACHUSETTS, U.S.A. |
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TA01 | Transfer of patent application right |
Effective date of registration: 20100421 Address after: Massachusetts, USA Applicant after: Nuance Communications, Inc. Address before: Carlsbad Applicant before: HARMAN BECKER AUTOMOTIVE SYSTEMS GmbH |
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Effective date of registration: 20200928 Address after: Massachusetts, USA Patentee after: Serenes operations Address before: Massachusetts, USA Patentee before: Nuance Communications, Inc. |
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Granted publication date: 20130403 |