DE69635500D1 - Verfahren und Vorrichtung zur Erkennung eines nahen Sprachsignals - Google Patents

Verfahren und Vorrichtung zur Erkennung eines nahen Sprachsignals

Info

Publication number
DE69635500D1
DE69635500D1 DE69635500T DE69635500T DE69635500D1 DE 69635500 D1 DE69635500 D1 DE 69635500D1 DE 69635500 T DE69635500 T DE 69635500T DE 69635500 T DE69635500 T DE 69635500T DE 69635500 D1 DE69635500 D1 DE 69635500D1
Authority
DE
Germany
Prior art keywords
detecting
speech signal
nearby speech
nearby
signal
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.)
Expired - Lifetime
Application number
DE69635500T
Other languages
English (en)
Other versions
DE69635500T2 (de
Inventor
Stephen S Oh
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69635500D1 publication Critical patent/DE69635500D1/de
Application granted granted Critical
Publication of DE69635500T2 publication Critical patent/DE69635500T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69635500T 1995-01-09 1996-01-09 Verfahren und Vorrichtung zur Erkennung eines nahen Sprachsignals Expired - Lifetime DE69635500T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US369956 1995-01-09
US08/369,956 US5633936A (en) 1995-01-09 1995-01-09 Method and apparatus for detecting a near-end speech signal

Publications (2)

Publication Number Publication Date
DE69635500D1 true DE69635500D1 (de) 2006-01-05
DE69635500T2 DE69635500T2 (de) 2006-07-20

Family

ID=23457639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69635500T Expired - Lifetime DE69635500T2 (de) 1995-01-09 1996-01-09 Verfahren und Vorrichtung zur Erkennung eines nahen Sprachsignals

Country Status (5)

Country Link
US (1) US5633936A (de)
EP (1) EP0721274B1 (de)
JP (1) JPH08274690A (de)
KR (1) KR100395196B1 (de)
DE (1) DE69635500T2 (de)

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US5793755A (en) * 1995-07-07 1998-08-11 Hughes Electronics Corporation Echo suppressor for facsimile calls in a satellite network
DE19538187A1 (de) * 1995-10-13 1997-04-17 Sel Alcatel Ag Verfahren und Schaltungsanordnung zur Detektion von Sprache eines fernen Sprechers in einem Fernsprechendgerät
US5937060A (en) * 1996-02-09 1999-08-10 Texas Instruments Incorporated Residual echo suppression
US5796842A (en) * 1996-06-07 1998-08-18 That Corporation BTSC encoder
US8908872B2 (en) * 1996-06-07 2014-12-09 That Corporation BTSC encoder
US6141415A (en) * 1996-10-11 2000-10-31 Texas Instruments Incorporated Method and apparatus for detecting speech at a near-end of a communications system, a speaker-phone system, or the like
JP3597671B2 (ja) * 1997-05-16 2004-12-08 三菱電機株式会社 ハンズフリー電話機
US6496581B1 (en) 1997-09-11 2002-12-17 Digisonix, Inc. Coupled acoustic echo cancellation system
US6108412A (en) * 1997-10-07 2000-08-22 Nortel Networks Corporation Adaptive echo cancelling system for telephony applications
US6049606A (en) * 1997-12-11 2000-04-11 Nortel Networks Corporation Circuit and method of double talk detection for use in handsfree telephony terminals
US6510224B1 (en) * 1999-05-20 2003-01-21 Telefonaktiebolaget L M Ericsson Enhancement of near-end voice signals in an echo suppression system
US6999560B1 (en) * 1999-06-28 2006-02-14 Cisco Technology, Inc. Method and apparatus for testing echo canceller performance
US6519559B1 (en) 1999-07-29 2003-02-11 Intel Corporation Apparatus and method for the enhancement of signals
ATE343915T1 (de) * 1999-12-09 2006-11-15 Azoteq Pty Ltd Sprachverteilungssystem
AU783527B2 (en) * 2000-01-25 2005-11-03 Tq Delta, Llc System and method for the application of an LMS method to updating an echo canceller in an ADSL modem
US6760435B1 (en) * 2000-02-08 2004-07-06 Lucent Technologies Inc. Method and apparatus for network speech enhancement
DE10058786A1 (de) * 2000-11-27 2002-06-13 Philips Corp Intellectual Pty Verfahren zum Steuerung eines eine akustische Ausgabeeinrichtung aufweisenden Geräts
JP4568439B2 (ja) * 2001-01-22 2010-10-27 パナソニック株式会社 エコー抑圧装置
US6549629B2 (en) 2001-02-21 2003-04-15 Digisonix Llc DVE system with normalized selection
US7353245B2 (en) * 2002-09-04 2008-04-01 Agere Systems Inc. Adaptive filter coefficient determination
US20040047475A1 (en) * 2002-09-09 2004-03-11 Ford Global Technologies, Inc. Audio noise cancellation system for a sensor in an automotive vehicle
JP4094455B2 (ja) * 2003-03-05 2008-06-04 松下電器産業株式会社 ハウリング抑制装置
WO2006104555A2 (en) * 2005-03-24 2006-10-05 Mindspeed Technologies, Inc. Adaptive noise state update for a voice activity detector
US8457614B2 (en) * 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
JP5321914B2 (ja) * 2007-09-20 2013-10-23 日本電気株式会社 システム同定装置及びシステム同定方法
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
US8321215B2 (en) * 2009-11-23 2012-11-27 Cambridge Silicon Radio Limited Method and apparatus for improving intelligibility of audible speech represented by a speech signal
US8478359B2 (en) * 2010-06-04 2013-07-02 Apple Inc. User interface tone echo cancellation
JP5732976B2 (ja) 2011-03-31 2015-06-10 沖電気工業株式会社 音声区間判定装置、音声区間判定方法、及びプログラム
US8655418B2 (en) * 2012-05-31 2014-02-18 Continental Automotive Systems, Inc Method and apparatus for a frequency domain echo suppression filter
GB2512155B (en) * 2013-09-18 2015-05-06 Imagination Tech Ltd Acoustic echo cancellation
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
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
EP3804356A1 (de) 2018-06-01 2021-04-14 Shure Acquisition Holdings, Inc. Musterbildende mikrofonanordnung
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN112889296A (zh) 2018-09-20 2021-06-01 舒尔获得控股公司 用于阵列麦克风的可调整的波瓣形状
WO2020191354A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
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
CN113841421A (zh) 2019-03-21 2021-12-24 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
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
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
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
CN113037939A (zh) * 2021-02-01 2021-06-25 广州朗国电子科技有限公司 一种回声路径检测方法及电子设备、存储介质

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840433A1 (de) * 1988-12-01 1990-06-07 Philips Patentverwaltung Echokompensator
US4979163A (en) * 1988-12-28 1990-12-18 At&T Bell Laboratories Echo suppression arrangement for an adaptive speakerphone
GB2237483A (en) * 1989-10-11 1991-05-01 Plessey Co Plc An adaptive fir filter having restricted coefficient ranges
JPH0472924A (ja) * 1990-07-13 1992-03-06 Nec Corp エコーキヤンセラの双方向通話検出回路
JP2654599B2 (ja) * 1991-02-27 1997-09-17 日本電気株式会社 ダブルトーク検出回路
JP3176474B2 (ja) * 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
US5307405A (en) * 1992-09-25 1994-04-26 Qualcomm Incorporated Network echo canceller
JP2538176B2 (ja) * 1993-05-28 1996-09-25 松下電器産業株式会社 エコ―制御装置
FR2715784B1 (fr) * 1994-02-02 1996-03-29 Jacques Prado Procédé et dispositif d'analyse d'un signal de retour et annuleur d'écho adaptatif en comportant application.

Also Published As

Publication number Publication date
EP0721274A3 (de) 2003-07-02
KR100395196B1 (en) 2003-11-01
EP0721274B1 (de) 2005-11-30
US5633936A (en) 1997-05-27
EP0721274A2 (de) 1996-07-10
JPH08274690A (ja) 1996-10-18
DE69635500T2 (de) 2006-07-20

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