ATE522078T1 - Echokompensation mit geringer komplexität - Google Patents
Echokompensation mit geringer komplexitätInfo
- Publication number
- ATE522078T1 ATE522078T1 AT06026232T AT06026232T ATE522078T1 AT E522078 T1 ATE522078 T1 AT E522078T1 AT 06026232 T AT06026232 T AT 06026232T AT 06026232 T AT06026232 T AT 06026232T AT E522078 T1 ATE522078 T1 AT E522078T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- loudspeaker
- band signals
- sampling rate
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
-
- 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)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06026232A EP1936939B1 (de) | 2006-12-18 | 2006-12-18 | Echokompensation mit geringer Komplexität |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE522078T1 true ATE522078T1 (de) | 2011-09-15 |
Family
ID=37836719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT06026232T ATE522078T1 (de) | 2006-12-18 | 2006-12-18 | Echokompensation mit geringer komplexität |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8194852B2 (de) |
| EP (1) | EP1936939B1 (de) |
| JP (1) | JP5221117B2 (de) |
| KR (1) | KR101414688B1 (de) |
| CN (1) | CN101207939B (de) |
| AT (1) | ATE522078T1 (de) |
| CA (1) | CA2610940A1 (de) |
Families Citing this family (37)
| 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 |
| FR2945689B1 (fr) * | 2009-05-15 | 2011-07-29 | St Nxp Wireless France | Terminal de communication audio bidirectionnelle simultanee. |
| EP2562751B1 (de) | 2011-08-22 | 2014-06-11 | Svox AG | Temporäre Interpolation von nebeneinander liegenden Spektren |
| CN104956436B (zh) * | 2012-12-28 | 2018-05-29 | 株式会社索思未来 | 带有语音识别功能的设备以及语音识别方法 |
| 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 |
| US9565493B2 (en) | 2015-04-30 | 2017-02-07 | Shure Acquisition Holdings, Inc. | Array microphone system and method of assembling the same |
| US9554207B2 (en) | 2015-04-30 | 2017-01-24 | Shure Acquisition Holdings, Inc. | Offset cartridge microphones |
| 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 |
| US10154343B1 (en) * | 2017-09-14 | 2018-12-11 | Guoguang Electric Company Limited | Audio signal echo reduction |
| CN112335261B (zh) | 2018-06-01 | 2023-07-18 | 舒尔获得控股公司 | 图案形成麦克风阵列 |
| US11297423B2 (en) | 2018-06-15 | 2022-04-05 | Shure Acquisition Holdings, Inc. | Endfire linear array microphone |
| EP3854108B1 (de) | 2018-09-20 | 2025-10-22 | Shure Acquisition Holdings, Inc. | Einstellbare keulenform für array-mikrofone |
| 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 |
| CN113841421B (zh) | 2019-03-21 | 2025-02-11 | 舒尔获得控股公司 | 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置 |
| EP3942842B1 (de) | 2019-03-21 | 2026-03-11 | Shure Acquisition Holdings, Inc. | Gehäuse und zugehörige konstruktionsmerkmale für mikrofone einer deckenanordnung |
| EP3973716A1 (de) | 2019-05-23 | 2022-03-30 | Shure Acquisition Holdings, Inc. | Steuerbare lautsprecheranordnung, system und verfahren dafür |
| 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 |
| JP7731292B2 (ja) | 2019-05-31 | 2025-08-29 | 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 | 音声およびノイズアクティビティ検出と統合された低レイテンシオートミキサー |
| US11682375B2 (en) * | 2019-07-08 | 2023-06-20 | Panasonic Intellectual Property Management Co., Ltd. | Speaker system, sound processing device, sound processing method, and recording medium |
| US11297426B2 (en) | 2019-08-23 | 2022-04-05 | Shure Acquisition Holdings, Inc. | One-dimensional array microphone with improved directivity |
| WO2021087377A1 (en) | 2019-11-01 | 2021-05-06 | Shure Acquisition Holdings, Inc. | Proximity microphone |
| 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 |
| WO2021243368A2 (en) | 2020-05-29 | 2021-12-02 | Shure Acquisition Holdings, Inc. | Transducer steering and configuration systems and methods using a local positioning system |
| JP7814400B2 (ja) | 2021-01-28 | 2026-02-16 | 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 |
| US12452584B2 (en) | 2021-01-29 | 2025-10-21 | Shure Acquisition Holdings, Inc. | Scalable conferencing systems and methods |
| US12542123B2 (en) | 2021-08-31 | 2026-02-03 | Shure Acquisition Holdings, Inc. | Mask non-linear processor for acoustic echo cancellation |
| WO2023059655A1 (en) | 2021-10-04 | 2023-04-13 | Shure Acquisition Holdings, Inc. | Networked automixer systems and methods |
| WO2023081645A1 (en) | 2021-11-05 | 2023-05-11 | Shure Acquisition Holdings, Inc. | Distributed algorithm for automixing speech over wireless networks |
| US12250526B2 (en) | 2022-01-07 | 2025-03-11 | Shure Acquisition Holdings, Inc. | Audio beamforming with nulling control system and methods |
| WO2023151810A1 (en) * | 2022-02-11 | 2023-08-17 | Huawei Technologies Co., Ltd. | Techniques for power efficient and smart echo cancellation |
| US12598261B2 (en) | 2022-09-28 | 2026-04-07 | Shure Acquisition Holdings, Inc. | Wideband doubletalk detection for optimization of acoustic echo cancellation |
| US12689855B2 (en) | 2023-05-12 | 2026-07-21 | Shure Acquisition Holdings, Inc. | Multi-dimensional array microphone |
| CN116847246B (zh) * | 2023-07-03 | 2026-05-15 | 维沃移动通信有限公司 | 音频信号补偿方法、装置、电子设备及可读存储介质 |
| CN119110189A (zh) * | 2024-10-23 | 2024-12-10 | 思必驰科技股份有限公司 | 信号处理方法、阵列麦克风设备、计算机设备、存储介质和程序产品 |
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 |
| US5566167A (en) * | 1995-01-04 | 1996-10-15 | Lucent Technologies Inc. | Subband echo canceler |
| CA2164025A1 (en) * | 1995-01-04 | 1996-07-05 | David Goodwin Shaw | Sub-band signal processor |
| 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 |
| JP4221222B2 (ja) | 2001-01-23 | 2009-02-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 非対称マルチチャンネルフィルタ |
| 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 |
| ES2255588T3 (es) * | 2002-09-12 | 2006-07-01 | Siemens Aktiengesellschaft | Terminal de comunicacion con ampliacion de la anchura de banda y compensacion del eco. |
| 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 (de) * | 2004-01-07 | 2006-09-27 | Koninklijke Philips Electronics N.V. | Audiosystem mit hallverminderungsfilter |
| 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 EP EP06026232A patent/EP1936939B1/de active Active
- 2006-12-18 AT AT06026232T patent/ATE522078T1/de not_active IP Right Cessation
-
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 not_active Expired - Fee Related
- 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
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008178087A (ja) | 2008-07-31 |
| KR20080056645A (ko) | 2008-06-23 |
| JP5221117B2 (ja) | 2013-06-26 |
| EP1936939B1 (de) | 2011-08-24 |
| US8194852B2 (en) | 2012-06-05 |
| US20080144848A1 (en) | 2008-06-19 |
| CN101207939A (zh) | 2008-06-25 |
| CN101207939B (zh) | 2013-04-03 |
| CA2610940A1 (en) | 2008-06-18 |
| KR101414688B1 (ko) | 2014-07-03 |
| EP1936939A1 (de) | 2008-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |