NO328256B1 - Audiosystem - Google Patents
Audiosystem Download PDFInfo
- Publication number
- NO328256B1 NO328256B1 NO20045702A NO20045702A NO328256B1 NO 328256 B1 NO328256 B1 NO 328256B1 NO 20045702 A NO20045702 A NO 20045702A NO 20045702 A NO20045702 A NO 20045702A NO 328256 B1 NO328256 B1 NO 328256B1
- Authority
- NO
- Norway
- Prior art keywords
- signal
- audio
- channel
- subband
- frequency
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000004458 analytical method Methods 0.000 claims description 23
- 230000000295 complement effect Effects 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000036316 preload Effects 0.000 claims 4
- 238000004891 communication Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000010845 search algorithm Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Circuit For Audible Band Transducer (AREA)
- Surgical Instruments (AREA)
- Telephonic Communication Services (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20045702A NO328256B1 (no) | 2004-12-29 | 2004-12-29 | Audiosystem |
| DE602005021546T DE602005021546D1 (en) | 2004-12-29 | 2005-12-21 | Hung |
| JP2007549294A JP4644715B2 (ja) | 2004-12-29 | 2005-12-21 | 音響的エコー消去用オーディオシステムと方法 |
| ES05821952T ES2345206T3 (es) | 2004-12-29 | 2005-12-21 | Sistema y procedimiento audio para la cancelacion de eco acustica. |
| EP05821952A EP1832104B1 (en) | 2004-12-29 | 2005-12-21 | Audio system and method for acoustic echo cancellation |
| AT05821952T ATE469505T1 (de) | 2004-12-29 | 2005-12-21 | Audiosystem und verfahren zur akustischen echolöschung |
| PCT/NO2005/000470 WO2006071119A1 (en) | 2004-12-29 | 2005-12-21 | Audio system and method for acoustic echo cancellation |
| CN200580048814.1A CN101133633B (zh) | 2004-12-29 | 2005-12-21 | 用于声频回波消除的声频系统和方法 |
| US11/318,266 US20060182268A1 (en) | 2004-12-29 | 2005-12-23 | Audio system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20045702A NO328256B1 (no) | 2004-12-29 | 2004-12-29 | Audiosystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20045702L NO20045702L (no) | 2006-06-30 |
| NO328256B1 true NO328256B1 (no) | 2010-01-18 |
Family
ID=36615181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20045702A NO328256B1 (no) | 2004-12-29 | 2004-12-29 | Audiosystem |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20060182268A1 (zh) |
| EP (1) | EP1832104B1 (zh) |
| JP (1) | JP4644715B2 (zh) |
| CN (1) | CN101133633B (zh) |
| AT (1) | ATE469505T1 (zh) |
| DE (1) | DE602005021546D1 (zh) |
| ES (1) | ES2345206T3 (zh) |
| NO (1) | NO328256B1 (zh) |
| WO (1) | WO2006071119A1 (zh) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8457614B2 (en) | 2005-04-07 | 2013-06-04 | Clearone Communications, Inc. | Wireless multi-unit conference phone |
| US8155304B2 (en) | 2007-04-10 | 2012-04-10 | Microsoft Corporation | Filter bank optimization for acoustic echo cancellation |
| WO2009047858A1 (ja) | 2007-10-12 | 2009-04-16 | Fujitsu Limited | エコー抑圧システム、エコー抑圧方法、エコー抑圧プログラム、エコー抑圧装置、音出力装置、オーディオシステム、ナビゲーションシステム及び移動体 |
| NO327377B1 (no) | 2007-12-18 | 2009-06-22 | Tandberg Telecom As | Fremgangsmate og system for klokkedriftskompensering |
| TWI475896B (zh) | 2008-09-25 | 2015-03-01 | Dolby Lab Licensing Corp | 單音相容性及揚聲器相容性之立體聲濾波器 |
| CN102804747B (zh) | 2009-04-15 | 2014-04-02 | 弗兰霍菲尔运输应用研究公司 | 多通道回波对消器 |
| EP2242185A1 (en) * | 2009-04-15 | 2010-10-20 | ST-NXP Wireless France | Noise suppression |
| BRPI1008266B1 (pt) * | 2009-06-02 | 2020-08-04 | Mediatek Inc | Disposição canceladora de eco acústico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais |
| US8219394B2 (en) * | 2010-01-20 | 2012-07-10 | Microsoft Corporation | Adaptive ambient sound suppression and speech tracking |
| US9094496B2 (en) * | 2010-06-18 | 2015-07-28 | Avaya Inc. | System and method for stereophonic acoustic echo cancellation |
| JP5649488B2 (ja) * | 2011-03-11 | 2015-01-07 | 株式会社東芝 | 音声判別装置、音声判別方法および音声判別プログラム |
| ITTO20120274A1 (it) * | 2012-03-27 | 2013-09-28 | Inst Rundfunktechnik Gmbh | Dispositivo per il missaggio di almeno due segnali audio. |
| ES2626054T3 (es) * | 2012-12-27 | 2017-07-21 | Robert Bosch Gmbh | Sistema de conferencia y proceso para activación por voz en el sistema de conferencia |
| US8914007B2 (en) | 2013-02-27 | 2014-12-16 | Nokia Corporation | Method and apparatus for voice conferencing |
| US9232072B2 (en) | 2013-03-13 | 2016-01-05 | Google Inc. | Participant controlled spatial AEC |
| CN105191266B (zh) | 2013-03-19 | 2017-03-08 | 皇家飞利浦有限公司 | 用于音频处理的方法和装置 |
| EP2822263B1 (en) * | 2013-07-05 | 2019-03-27 | Sennheiser Communications A/S | Communication device with echo suppression |
| 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 |
| GB2545263B (en) * | 2015-12-11 | 2019-05-15 | Acano Uk Ltd | Joint acoustic echo control and adaptive array processing |
| US10367948B2 (en) | 2017-01-13 | 2019-07-30 | Shure Acquisition Holdings, Inc. | Post-mixing acoustic echo cancellation systems and methods |
| WO2019231632A1 (en) | 2018-06-01 | 2019-12-05 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
| US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
| US11310596B2 (en) | 2018-09-20 | 2022-04-19 | Shure Acquisition Holdings, Inc. | Adjustable lobe shape for array microphones |
| KR102374934B1 (ko) * | 2019-01-11 | 2022-03-15 | 붐클라우드 360, 인코포레이티드 | 사운드 스테이지 보존 오디오 채널 합산 |
| US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
| CN113841419A (zh) | 2019-03-21 | 2021-12-24 | 舒尔获得控股公司 | 天花板阵列麦克风的外壳及相关联设计特征 |
| 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 |
| 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 |
| 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 |
| CN113096681B (zh) * | 2021-04-08 | 2022-06-28 | 海信视像科技股份有限公司 | 显示设备、多声道回声消除电路及多声道回声消除方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592548A (en) * | 1995-05-31 | 1997-01-07 | Qualcomm Incorporated | System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| DE69942944D1 (de) * | 1998-04-08 | 2010-12-30 | British Telecomm | Telekonferenzsystem |
| EP1180300B1 (en) * | 1999-05-25 | 2006-07-19 | BRITISH TELECOMMUNICATIONS public limited company | Acoustic echo cancellation |
| US6665645B1 (en) * | 1999-07-28 | 2003-12-16 | Matsushita Electric Industrial Co., Ltd. | Speech recognition apparatus for AV equipment |
| JP4554044B2 (ja) * | 1999-07-28 | 2010-09-29 | パナソニック株式会社 | Ａｖ機器用音声認識装置 |
| JP3951690B2 (ja) * | 2000-12-14 | 2007-08-01 | ソニー株式会社 | 符号化装置および方法、並びに記録媒体 |
| FI112016B (fi) * | 2001-12-20 | 2003-10-15 | Nokia Corp | Konferenssipuhelujärjestely |
| NO318401B1 (no) * | 2003-03-10 | 2005-03-14 | Tandberg Telecom As | Et audio-ekkokanselleringssystem og en fremgangsmate for a tilveiebringe et ekkodempet utgangssignal fra et ekkotillagt signal |
| US20050213747A1 (en) * | 2003-10-07 | 2005-09-29 | Vtel Products, Inc. | Hybrid monaural and multichannel audio for conferencing |
| US7352858B2 (en) * | 2004-06-30 | 2008-04-01 | Microsoft Corporation | Multi-channel echo cancellation with round robin regularization |
-
2004
- 2004-12-29 NO NO20045702A patent/NO328256B1/no not_active IP Right Cessation
-
2005
- 2005-12-21 AT AT05821952T patent/ATE469505T1/de not_active IP Right Cessation
- 2005-12-21 EP EP05821952A patent/EP1832104B1/en active Active
- 2005-12-21 ES ES05821952T patent/ES2345206T3/es active Active
- 2005-12-21 CN CN200580048814.1A patent/CN101133633B/zh not_active Expired - Fee Related
- 2005-12-21 JP JP2007549294A patent/JP4644715B2/ja not_active Expired - Fee Related
- 2005-12-21 WO PCT/NO2005/000470 patent/WO2006071119A1/en active Application Filing
- 2005-12-21 DE DE602005021546T patent/DE602005021546D1/de active Active
- 2005-12-23 US US11/318,266 patent/US20060182268A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CN101133633A (zh) | 2008-02-27 |
| US20060182268A1 (en) | 2006-08-17 |
| JP2008526162A (ja) | 2008-07-17 |
| EP1832104A1 (en) | 2007-09-12 |
| WO2006071119A1 (en) | 2006-07-06 |
| DE602005021546D1 (en) | 2010-07-08 |
| ES2345206T3 (es) | 2010-09-17 |
| NO20045702L (no) | 2006-06-30 |
| EP1832104B1 (en) | 2010-05-26 |
| CN101133633B (zh) | 2012-06-20 |
| JP4644715B2 (ja) | 2011-03-02 |
| ATE469505T1 (de) | 2010-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CREP | Change of representative |
Representative=s name: ONSAGERS AS, POSTBOKS 6963 ST OLAVS PLASS, 0130 OS |
|
| MM1K | Lapsed by not paying the annual fees |