DE602006005228D1 - System und Verfahren zur Mehrkanal-Echokompensation - Google Patents

System und Verfahren zur Mehrkanal-Echokompensation

Info

Publication number
DE602006005228D1
DE602006005228D1 DE602006005228T DE602006005228T DE602006005228D1 DE 602006005228 D1 DE602006005228 D1 DE 602006005228D1 DE 602006005228 T DE602006005228 T DE 602006005228T DE 602006005228 T DE602006005228 T DE 602006005228T DE 602006005228 D1 DE602006005228 D1 DE 602006005228D1
Authority
DE
Germany
Prior art keywords
channel
compensation
microphone
loudspeaker
loudspeaker input
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.)
Active
Application number
DE602006005228T
Other languages
English (en)
Inventor
Markus Dr Buck
Tim Haulick
Martin Roessler
Gerhard Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of DE602006005228D1 publication Critical patent/DE602006005228D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DE602006005228T 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation Active DE602006005228D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06008006A EP1848243B1 (de) 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation

Publications (1)

Publication Number Publication Date
DE602006005228D1 true DE602006005228D1 (de) 2009-04-02

Family

ID=37232931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006005228T Active DE602006005228D1 (de) 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation

Country Status (5)

Country Link
US (1) US8130969B2 (de)
EP (1) EP1848243B1 (de)
JP (1) JP5371197B2 (de)
AT (1) ATE423433T1 (de)
DE (1) DE602006005228D1 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8949120B1 (en) * 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
EP1879181B1 (de) * 2006-07-11 2014-05-21 Nuance Communications, Inc. Verfahren zur Kompensation von Audiosignalkomponenten in einem Fahrzeugkommunikationssystem und Vorrichtung dafür
US8385557B2 (en) 2008-06-19 2013-02-26 Microsoft Corporation Multichannel acoustic echo reduction
EP2485214A4 (de) * 2009-10-01 2016-12-07 Nec Corp Signalverarbeitungsverfahren, signalverarbeitungsvorrichtung und signalverarbeitungsprogramm
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
KR20110106715A (ko) * 2010-03-23 2011-09-29 삼성전자주식회사 후방 잡음 제거 장치 및 방법
WO2012094528A1 (en) * 2011-01-05 2012-07-12 Conexant Systems, Inc., A Delaware Corporation Systems and methods for stereo 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
US9768829B2 (en) 2012-05-11 2017-09-19 Intel Deutschland Gmbh Methods for processing audio signals and circuit arrangements therefor
US9491561B2 (en) * 2013-04-11 2016-11-08 Broadcom Corporation Acoustic echo cancellation with internal upmixing
WO2015179482A1 (en) * 2014-05-20 2015-11-26 Cummins Inc. Hybrid motor assist of gear shifting
US9818426B2 (en) * 2014-08-13 2017-11-14 Mitsubishi Electric Corporation Echo canceller
JP6398470B2 (ja) * 2014-08-27 2018-10-03 沖電気工業株式会社 ステレオエコー抑圧装置、エコー抑圧装置、ステレオエコー抑圧方法及びステレオエコー抑圧プログラム
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
US9947316B2 (en) 2016-02-22 2018-04-17 Sonos, Inc. Voice control of a media playback system
US9965247B2 (en) 2016-02-22 2018-05-08 Sonos, Inc. Voice controlled media playback system based on user profile
US10264030B2 (en) 2016-02-22 2019-04-16 Sonos, Inc. Networked microphone device control
US9811314B2 (en) 2016-02-22 2017-11-07 Sonos, Inc. Metadata exchange involving a networked playback system and a networked microphone system
US10095470B2 (en) 2016-02-22 2018-10-09 Sonos, Inc. Audio response playback
US9820039B2 (en) 2016-02-22 2017-11-14 Sonos, Inc. Default playback devices
US10134399B2 (en) 2016-07-15 2018-11-20 Sonos, Inc. Contextualization of voice inputs
US10115400B2 (en) 2016-08-05 2018-10-30 Sonos, Inc. Multiple voice services
US9942678B1 (en) 2016-09-27 2018-04-10 Sonos, Inc. Audio playback settings for voice interaction
US10181323B2 (en) 2016-10-19 2019-01-15 Sonos, Inc. Arbitration-based voice recognition
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US10475449B2 (en) 2017-08-07 2019-11-12 Sonos, Inc. Wake-word detection suppression
US10048930B1 (en) 2017-09-08 2018-08-14 Sonos, Inc. Dynamic computation of system response volume
US10446165B2 (en) 2017-09-27 2019-10-15 Sonos, Inc. Robust short-time fourier transform acoustic echo cancellation during audio playback
US10621981B2 (en) 2017-09-28 2020-04-14 Sonos, Inc. Tone interference cancellation
US10482868B2 (en) * 2017-09-28 2019-11-19 Sonos, Inc. Multi-channel acoustic echo cancellation
US10466962B2 (en) 2017-09-29 2019-11-05 Sonos, Inc. Media playback system with voice assistance
WO2019152722A1 (en) 2018-01-31 2019-08-08 Sonos, Inc. Device designation of playback and network microphone device arrangements
US11175880B2 (en) 2018-05-10 2021-11-16 Sonos, Inc. Systems and methods for voice-assisted media content selection
US10959029B2 (en) 2018-05-25 2021-03-23 Sonos, Inc. Determining and adapting to changes in microphone performance of playback devices
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
US10575116B2 (en) * 2018-06-20 2020-02-25 Lg Display Co., Ltd. Spectral defect compensation for crosstalk processing of spatial audio signals
US10461710B1 (en) 2018-08-28 2019-10-29 Sonos, Inc. Media playback system with maximum volume setting
US11076035B2 (en) 2018-08-28 2021-07-27 Sonos, Inc. Do not disturb feature for audio notifications
US10587430B1 (en) 2018-09-14 2020-03-10 Sonos, Inc. Networked devices, systems, and methods for associating playback devices based on sound codes
WO2020061353A1 (en) 2018-09-20 2020-03-26 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US11024331B2 (en) 2018-09-21 2021-06-01 Sonos, Inc. Voice detection optimization using sound metadata
US11100923B2 (en) 2018-09-28 2021-08-24 Sonos, Inc. Systems and methods for selective wake word detection using neural network models
US11899519B2 (en) 2018-10-23 2024-02-13 Sonos, Inc. Multiple stage network microphone device with reduced power consumption and processing load
EP3654249A1 (de) 2018-11-15 2020-05-20 Snips Erweiterte konvolutionen und takt zur effizienten schlüsselwortauffindung
US11183183B2 (en) 2018-12-07 2021-11-23 Sonos, Inc. Systems and methods of operating media playback systems having multiple voice assistant services
US11132989B2 (en) 2018-12-13 2021-09-28 Sonos, Inc. Networked microphone devices, systems, and methods of localized arbitration
US10867604B2 (en) 2019-02-08 2020-12-15 Sonos, Inc. Devices, systems, and methods for distributed voice processing
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
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
WO2020191380A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings,Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
US11120794B2 (en) 2019-05-03 2021-09-14 Sonos, Inc. Voice assistant persistence across multiple network microphone devices
TW202101422A (zh) 2019-05-23 2021-01-01 美商舒爾獲得控股公司 可操縱揚聲器陣列、系統及其方法
EP3977449A1 (de) 2019-05-31 2022-04-06 Shure Acquisition Holdings, Inc. Mit sprach- und rauschaktivitätsdetektion integrierter automatischer mischer mit niedriger latenz
US11200894B2 (en) 2019-06-12 2021-12-14 Sonos, Inc. Network microphone device with command keyword eventing
US10586540B1 (en) 2019-06-12 2020-03-10 Sonos, Inc. Network microphone device with command keyword conditioning
EP3771226A1 (de) * 2019-07-23 2021-01-27 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Akustischer echokompensator
US10871943B1 (en) 2019-07-31 2020-12-22 Sonos, Inc. Noise classification for event detection
JP2022545113A (ja) 2019-08-23 2022-10-25 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 指向性が改善された一次元アレイマイクロホン
US11189286B2 (en) 2019-10-22 2021-11-30 Sonos, Inc. VAS toggle based on device orientation
US11200900B2 (en) 2019-12-20 2021-12-14 Sonos, Inc. Offline voice control
US11562740B2 (en) 2020-01-07 2023-01-24 Sonos, Inc. Voice verification for media playback
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
US11308958B2 (en) 2020-02-07 2022-04-19 Sonos, Inc. Localized wakeword verification
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
US11482224B2 (en) 2020-05-20 2022-10-25 Sonos, Inc. Command keywords with input detection windowing
US11308962B2 (en) 2020-05-20 2022-04-19 Sonos, Inc. Input detection windowing
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
US11984123B2 (en) 2020-11-12 2024-05-14 Sonos, Inc. Network device interaction by range
CN116918351A (zh) 2021-01-28 2023-10-20 舒尔获得控股公司 混合音频波束成形系统
CN117234454B (zh) * 2023-11-13 2024-02-20 福建联迪商用设备有限公司 一种多通道音频输出控制方法、装置及电子设备

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US604607A (en) * 1898-05-24 Vapor-condenser for vacuum-pans
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
JP3407392B2 (ja) * 1994-03-22 2003-05-19 松下電器産業株式会社 ステレオエコーキャンセラ
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
AU1359601A (en) 1999-11-03 2001-05-14 Tellabs Operations, Inc. Integrated voice processing system for packet networks
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
JP4162860B2 (ja) * 2001-01-12 2008-10-08 アルパイン株式会社 不要音信号除去装置
DE60142583D1 (de) 2001-01-23 2010-08-26 Koninkl Philips Electronics Nv Asymmetrisches mehrkanalfilter
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
US8098844B2 (en) * 2002-02-05 2012-01-17 Mh Acoustics, Llc Dual-microphone spatial noise suppression
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
DE50205504D1 (de) 2002-09-12 2006-03-30 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
US20050213747A1 (en) * 2003-10-07 2005-09-29 Vtel Products, Inc. Hybrid monaural and multichannel audio for conferencing
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
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

Also Published As

Publication number Publication date
JP5371197B2 (ja) 2013-12-18
EP1848243B1 (de) 2009-02-18
JP2007288775A (ja) 2007-11-01
ATE423433T1 (de) 2009-03-15
US20080031466A1 (en) 2008-02-07
EP1848243A1 (de) 2007-10-24
US8130969B2 (en) 2012-03-06

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