ATE436151T1 - Kompensation von mehrkanalechos durch dekorrelation - Google Patents

Kompensation von mehrkanalechos durch dekorrelation

Info

Publication number
ATE436151T1
ATE436151T1 AT06009692T AT06009692T ATE436151T1 AT E436151 T1 ATE436151 T1 AT E436151T1 AT 06009692 T AT06009692 T AT 06009692T AT 06009692 T AT06009692 T AT 06009692T AT E436151 T1 ATE436151 T1 AT E436151T1
Authority
AT
Austria
Prior art keywords
signal
generate
loudspeaker
channel
audio signal
Prior art date
Application number
AT06009692T
Other languages
English (en)
Inventor
Gerhard Uwe Schmidt
Tim Haulick
Markus Buck
Martin Roessler
Hans-Joerg Koepf
Original Assignee
Harman Becker Automotive Sys
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 Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE436151T1 publication Critical patent/ATE436151T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082Two-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)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Telephone Function (AREA)
AT06009692T 2006-05-10 2006-05-10 Kompensation von mehrkanalechos durch dekorrelation ATE436151T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06009692A EP1855457B1 (de) 2006-05-10 2006-05-10 Kompensation von Mehrkanalechos durch Dekorrelation

Publications (1)

Publication Number Publication Date
ATE436151T1 true ATE436151T1 (de) 2009-07-15

Family

ID=37072941

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06009692T ATE436151T1 (de) 2006-05-10 2006-05-10 Kompensation von mehrkanalechos durch dekorrelation

Country Status (5)

Country Link
US (1) US8085947B2 (de)
EP (1) EP1855457B1 (de)
JP (1) JP5288723B2 (de)
AT (1) ATE436151T1 (de)
DE (1) DE602006007685D1 (de)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8090120B2 (en) * 2004-10-26 2012-01-03 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
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
US8219394B2 (en) * 2010-01-20 2012-07-10 Microsoft Corporation Adaptive ambient sound suppression and speech tracking
CN102457632B (zh) * 2011-12-29 2014-07-30 歌尔声学股份有限公司 一种多受话端回声消除方法
JP6272308B2 (ja) * 2012-05-10 2018-01-31 ユニバーシティ オブ ワシントン スルー イッツ センター フォー コマーシャリゼーション 音ベースの肺活量測定のデバイス、システムおよび方法
US9232072B2 (en) 2013-03-13 2016-01-05 Google Inc. Participant controlled spatial AEC
DE102013218176A1 (de) 2013-09-11 2015-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur dekorrelation von lautsprechersignalen
US20160171988A1 (en) * 2014-12-15 2016-06-16 Wire Swiss Gmbh Delay estimation for echo cancellation using ultrasonic markers
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
US9820039B2 (en) 2016-02-22 2017-11-14 Sonos, Inc. Default playback devices
US9965247B2 (en) 2016-02-22 2018-05-08 Sonos, Inc. Voice controlled media playback system based on user profile
US9811314B2 (en) 2016-02-22 2017-11-07 Sonos, Inc. Metadata exchange involving a networked playback system and a networked microphone system
US10264030B2 (en) 2016-02-22 2019-04-16 Sonos, Inc. Networked microphone device control
US10095470B2 (en) 2016-02-22 2018-10-09 Sonos, Inc. Audio response playback
US9947316B2 (en) 2016-02-22 2018-04-17 Sonos, Inc. Voice control of a media playback system
US9978390B2 (en) 2016-06-09 2018-05-22 Sonos, Inc. Dynamic player selection for audio signal processing
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
US11183181B2 (en) 2017-03-27 2021-11-23 Sonos, Inc. Systems and methods of multiple voice services
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
US10482868B2 (en) 2017-09-28 2019-11-19 Sonos, Inc. Multi-channel acoustic echo cancellation
US10051366B1 (en) 2017-09-28 2018-08-14 Sonos, Inc. Three-dimensional beam forming with a microphone array
US10621981B2 (en) 2017-09-28 2020-04-14 Sonos, Inc. Tone interference cancellation
US10466962B2 (en) 2017-09-29 2019-11-05 Sonos, Inc. Media playback system with voice assistance
US10880650B2 (en) 2017-12-10 2020-12-29 Sonos, Inc. Network microphone devices with automatic do not disturb actuation capabilities
US10818290B2 (en) 2017-12-11 2020-10-27 Sonos, Inc. Home graph
US11343614B2 (en) 2018-01-31 2022-05-24 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
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US10681460B2 (en) 2018-06-28 2020-06-09 Sonos, Inc. Systems and methods for associating playback devices with voice assistant services
KR20200024066A (ko) * 2018-08-27 2020-03-06 서강대학교산학협력단 스테레오 노이즈 제거 장치 및 스테레오 노이즈 제거 방법
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
US10811015B2 (en) 2018-09-25 2020-10-20 Sonos, Inc. Voice detection optimization based on selected voice assistant service
US11100923B2 (en) 2018-09-28 2021-08-24 Sonos, Inc. Systems and methods for selective wake word detection using neural network models
US10692518B2 (en) 2018-09-29 2020-06-23 Sonos, Inc. Linear filtering for noise-suppressed speech detection via multiple network microphone devices
US11899519B2 (en) 2018-10-23 2024-02-13 Sonos, Inc. Multiple stage network microphone device with reduced power consumption and processing load
DE102018127071B3 (de) * 2018-10-30 2020-01-09 Harman Becker Automotive Systems Gmbh Audiosignalverarbeitung mit akustischer Echounterdrückung
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
US10602268B1 (en) 2018-12-20 2020-03-24 Sonos, Inc. Optimization of network microphone devices using noise classification
US10867604B2 (en) 2019-02-08 2020-12-15 Sonos, Inc. Devices, systems, and methods for distributed voice processing
US11094333B2 (en) * 2019-03-15 2021-08-17 Sogang University Research & Business Development Foundation Device and method for stereo noise cancellation
CN113841419B (zh) 2019-03-21 2024-11-12 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
EP3942845A1 (de) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Autofokus, autofokus in regionen und autoplatzierung von strahlgeformten mikrofonkeulen mit hemmfunktion
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
US11120794B2 (en) 2019-05-03 2021-09-14 Sonos, Inc. Voice assistant persistence across multiple network microphone devices
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
US11302347B2 (en) 2019-05-31 2022-04-12 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
US10586540B1 (en) 2019-06-12 2020-03-10 Sonos, Inc. Network microphone device with command keyword conditioning
US11200894B2 (en) 2019-06-12 2021-12-14 Sonos, Inc. Network microphone device with command keyword eventing
US11138969B2 (en) 2019-07-31 2021-10-05 Sonos, Inc. Locally distributed keyword detection
US10871943B1 (en) 2019-07-31 2020-12-22 Sonos, Inc. Noise classification for event detection
EP4018680A1 (de) 2019-08-23 2022-06-29 Shure Acquisition Holdings, Inc. Zweidimensionale mikrofonanordnung mit verbesserter richtcharakteristik
US10984815B1 (en) * 2019-09-27 2021-04-20 Cypress Semiconductor Corporation Techniques for removing non-linear echo in acoustic echo cancellers
CN110718093B (zh) * 2019-10-16 2021-11-16 联想(北京)有限公司 针对车辆鸣笛的处理方法和第一车辆
US11189286B2 (en) 2019-10-22 2021-11-30 Sonos, Inc. VAS toggle based on device orientation
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
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
US11556307B2 (en) 2020-01-31 2023-01-17 Sonos, Inc. Local voice data processing
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
US12387716B2 (en) 2020-06-08 2025-08-12 Sonos, Inc. Wakewordless voice quickstarts
US11698771B2 (en) 2020-08-25 2023-07-11 Sonos, Inc. Vocal guidance engines for playback devices
US12283269B2 (en) 2020-10-16 2025-04-22 Sonos, Inc. Intent inference in audiovisual communication sessions
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
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
WO2023056026A1 (en) 2021-09-30 2023-04-06 Sonos, Inc. Enabling and disabling microphones and voice assistants
EP4413745A1 (de) 2021-10-04 2024-08-14 Shure Acquisition Holdings, Inc. Vernetzte automischersysteme und verfahren
US11863710B2 (en) * 2021-11-01 2024-01-02 Mediatek Inc. Audio device and method for detecting device status of audio device in audio/video conference
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12327549B2 (en) 2022-02-09 2025-06-10 Sonos, Inc. Gatekeeping for voice intent processing

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5828756A (en) * 1994-11-22 1998-10-27 Lucent Technologies Inc. Stereophonic acoustic echo cancellation using non-linear transformations
JP3402427B2 (ja) * 1995-09-26 2003-05-06 日本電信電話株式会社 多チャネル反響消去方法及び装置
US6895093B1 (en) * 1998-03-03 2005-05-17 Texas Instruments Incorporated Acoustic echo-cancellation system
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
US7058185B1 (en) * 1999-06-24 2006-06-06 Koninklijke Philips Electronics N.V. Acoustic echo and noise cancellation
US6526140B1 (en) * 1999-11-03 2003-02-25 Tellabs Operations, Inc. Consolidated voice activity detection and noise estimation
EP1356589B1 (de) * 2001-01-23 2010-07-14 Koninklijke Philips Electronics N.V. 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
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
EP1500082B1 (de) * 2002-04-22 2007-02-14 Koninklijke Philips Electronics N.V. Signalsynthese
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
US20050213747A1 (en) * 2003-10-07 2005-09-29 Vtel Products, Inc. Hybrid monaural and multichannel audio for conferencing
US20070172080A1 (en) * 2004-02-11 2007-07-26 Koninklijke Philips Electronic, N.V. Acoustic feedback suppression
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
EP1855457B1 (de) 2009-07-08
US8085947B2 (en) 2011-12-27
EP1855457A1 (de) 2007-11-14
US20080031469A1 (en) 2008-02-07
JP2007306553A (ja) 2007-11-22
JP5288723B2 (ja) 2013-09-11
DE602006007685D1 (de) 2009-08-20

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