ATE445966T1 - Echoverringerung für zeitvariante systeme - Google Patents

Echoverringerung für zeitvariante systeme

Info

Publication number
ATE445966T1
ATE445966T1 AT06009468T AT06009468T ATE445966T1 AT E445966 T1 ATE445966 T1 AT E445966T1 AT 06009468 T AT06009468 T AT 06009468T AT 06009468 T AT06009468 T AT 06009468T AT E445966 T1 ATE445966 T1 AT E445966T1
Authority
AT
Austria
Prior art keywords
signal
echo
microphone
output
speech activity
Prior art date
Application number
AT06009468T
Other languages
English (en)
Inventor
Tim Haulick
Martin Roessler
Gerhard Schmidt
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 ATE445966T1 publication Critical patent/ATE445966T1/de

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

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)
  • Telephone Function (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT06009468T 2006-05-08 2006-05-08 Echoverringerung für zeitvariante systeme ATE445966T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06009468A EP1855456B1 (de) 2006-05-08 2006-05-08 Echoverringerung für zeitvariante Systeme

Publications (1)

Publication Number Publication Date
ATE445966T1 true ATE445966T1 (de) 2009-10-15

Family

ID=36950062

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06009468T ATE445966T1 (de) 2006-05-08 2006-05-08 Echoverringerung für zeitvariante systeme

Country Status (5)

Country Link
US (1) US8111840B2 (de)
EP (1) EP1855456B1 (de)
JP (1) JP5049629B2 (de)
AT (1) ATE445966T1 (de)
DE (1) DE602006009770D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11217237B2 (en) 2008-04-14 2022-01-04 Staton Techiya, Llc Method and device for voice operated control
US11317202B2 (en) 2007-04-13 2022-04-26 Staton Techiya, Llc Method and device for voice operated control
JP5130895B2 (ja) * 2007-12-13 2013-01-30 ソニー株式会社 音声処理装置、音声処理システム、音声処理プログラム及び音声処理方法
US8325909B2 (en) * 2008-06-25 2012-12-04 Microsoft Corporation Acoustic echo suppression
US9129291B2 (en) 2008-09-22 2015-09-08 Personics Holdings, Llc Personalized sound management and method
US20110183629A1 (en) * 2010-01-26 2011-07-28 Broadcom Corporation Mobile Communication Devices Having Adaptable Features and Methods for Implementation
CN102223456B (zh) * 2010-04-14 2013-09-11 华为终端有限公司 回声信号处理方法及装置
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
US8582754B2 (en) * 2011-03-21 2013-11-12 Broadcom Corporation Method and system for echo cancellation in presence of streamed audio
US8964967B2 (en) * 2012-12-07 2015-02-24 Dialog Semiconductor B.V. Subband domain echo masking for improved duplexity of spectral domain echo suppressors
GB2512022A (en) 2012-12-21 2014-09-24 Microsoft Corp Echo suppression
GB2510331A (en) 2012-12-21 2014-08-06 Microsoft Corp Echo suppression in an audio signal
GB2509493A (en) 2012-12-21 2014-07-09 Microsoft Corp Suppressing Echo in a received audio signal by estimating the echo power in the received audio signal based on an FIR filter estimate
US9595997B1 (en) * 2013-01-02 2017-03-14 Amazon Technologies, Inc. Adaption-based reduction of echo and noise
US9697847B2 (en) * 2013-03-14 2017-07-04 Semiconductor Components Industries, Llc Acoustic signal processing system capable of detecting double-talk and method
US9633671B2 (en) * 2013-10-18 2017-04-25 Apple Inc. Voice quality enhancement techniques, speech recognition techniques, and related systems
US9837065B2 (en) * 2014-12-08 2017-12-05 Ford Global Technologies, Llc Variable bandwidth delayless subband algorithm for broadband active noise control system
US9655001B2 (en) * 2015-09-24 2017-05-16 Cisco Technology, Inc. Cross mute for native radio channels
US10542153B2 (en) 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
US10594869B2 (en) * 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
US10200540B1 (en) 2017-08-03 2019-02-05 Bose Corporation Efficient reutilization of acoustic echo canceler channels
EP3692704B1 (de) 2017-10-03 2023-09-06 Bose Corporation Räumlicher doppelsprechdetektor
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors

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
DE69731573T2 (de) * 1996-02-09 2005-03-31 Texas Instruments Inc., Dallas Geräuschverminderungsanordnung
JPH1023172A (ja) * 1996-07-08 1998-01-23 Matsushita Electric Ind Co Ltd エコー除去装置
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
DE19935808A1 (de) * 1999-07-29 2001-02-08 Ericsson Telefon Ab L M Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit
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
DE60120233D1 (de) * 2001-06-11 2006-07-06 Lear Automotive Eeds Spain Verfahren und system zum unterdrücken von echos und geräuschen in umgebungen unter variablen akustischen und stark rückgekoppelten bedingungen
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
JP2003264483A (ja) * 2002-03-08 2003-09-19 Matsushita Electric Ind Co Ltd エコー抑圧装置、エコー抑圧方法、電話機、及びテレビ電話システム
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
US7388954B2 (en) * 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
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
US8111840B2 (en) 2012-02-07
US20080031467A1 (en) 2008-02-07
JP5049629B2 (ja) 2012-10-17
EP1855456B1 (de) 2009-10-14
DE602006009770D1 (de) 2009-11-26
JP2007306546A (ja) 2007-11-22
EP1855456A1 (de) 2007-11-14

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