DE68922426D1 - Rauschunterdrückung bei einem verrauschten Sprachsignal. - Google Patents

Rauschunterdrückung bei einem verrauschten Sprachsignal.

Info

Publication number
DE68922426D1
DE68922426D1 DE68922426T DE68922426T DE68922426D1 DE 68922426 D1 DE68922426 D1 DE 68922426D1 DE 68922426 T DE68922426 T DE 68922426T DE 68922426 T DE68922426 T DE 68922426T DE 68922426 D1 DE68922426 D1 DE 68922426D1
Authority
DE
Germany
Prior art keywords
noise reduction
speech signal
noisy speech
noisy
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
DE68922426T
Other languages
English (en)
Other versions
DE68922426T2 (de
Inventor
Robert Wu-Lin Chang
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE68922426D1 publication Critical patent/DE68922426D1/de
Publication of DE68922426T2 publication Critical patent/DE68922426T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal
DE68922426T 1988-03-14 1989-02-22 Rauschunterdrückung bei einem verrauschten Sprachsignal. Expired - Lifetime DE68922426T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/167,619 US4912767A (en) 1988-03-14 1988-03-14 Distributed noise cancellation system

Publications (2)

Publication Number Publication Date
DE68922426D1 true DE68922426D1 (de) 1995-06-08
DE68922426T2 DE68922426T2 (de) 1996-02-01

Family

ID=22608095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922426T Expired - Lifetime DE68922426T2 (de) 1988-03-14 1989-02-22 Rauschunterdrückung bei einem verrauschten Sprachsignal.

Country Status (4)

Country Link
US (1) US4912767A (de)
EP (1) EP0332890B1 (de)
JP (1) JP2897230B2 (de)
DE (1) DE68922426T2 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212764A (en) * 1989-04-19 1993-05-18 Ricoh Company, Ltd. Noise eliminating apparatus and speech recognition apparatus using the same
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
AU633673B2 (en) * 1990-01-18 1993-02-04 Matsushita Electric Industrial Co., Ltd. Signal processing device
DE4126902C2 (de) * 1990-08-15 1996-06-27 Ricoh Kk Sprachintervall - Feststelleinheit
JP2689792B2 (ja) * 1991-10-30 1997-12-10 日産自動車株式会社 立体音場警報装置
FR2687496B1 (fr) * 1992-02-18 1994-04-01 Alcatel Radiotelephone Procede de reduction de bruit acoustique dans un signal de parole.
DE4243831A1 (de) * 1992-12-23 1994-06-30 Daimler Benz Ag Verfahren zur Laufzeitschätzung an gestörten Sprachkanälen
US5625684A (en) * 1993-02-04 1997-04-29 Local Silence, Inc. Active noise suppression system for telephone handsets and method
JP3626492B2 (ja) * 1993-07-07 2005-03-09 ポリコム・インコーポレイテッド 会話の品質向上のための背景雑音の低減
US8085959B2 (en) * 1994-07-08 2011-12-27 Brigham Young University Hearing compensation system incorporating signal processing techniques
US5500902A (en) * 1994-07-08 1996-03-19 Stockham, Jr.; Thomas G. Hearing aid device incorporating signal processing techniques
DE19524847C1 (de) * 1995-07-07 1997-02-13 Siemens Ag Vorrichtung zur Verbesserung gestörter Sprachsignale
US5737433A (en) * 1996-01-16 1998-04-07 Gardner; William A. Sound environment control apparatus
FR2761800A1 (fr) * 1997-04-02 1998-10-09 Scanera Sc Dispositif de transmission de voix et telephone le mettant en oeuvre
WO1999052097A1 (fr) * 1998-04-02 1999-10-14 Scanera S.C. Dispositif et procede de communication
DE19827134A1 (de) * 1998-05-06 1999-11-11 Volkswagen Ag Verfahren und Einrichtung zum Betrieb von sprachunterstützten Systemen in Kraftfahrzeugen
US6980611B1 (en) * 1999-02-08 2005-12-27 Scientific Applications & Research Associates, Inc. System and method for measuring RF radiated emissions in the presence of strong ambient signals
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
KR20010080522A (ko) * 1999-09-23 2001-08-22 요트.게.아. 롤페즈 음성 인식 장치 및 가전 시스템
US6757395B1 (en) 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US20020013906A1 (en) * 2000-06-14 2002-01-31 Walter Wallach Secure medical test and result delivery system
JP3826032B2 (ja) * 2001-12-28 2006-09-27 株式会社東芝 音声認識装置、音声認識方法及び音声認識プログラム
US20040027490A1 (en) * 2002-08-09 2004-02-12 Koninklijke Philips Electronics N.V. Ring triggered mute
WO2004053839A1 (en) 2002-12-11 2004-06-24 Softmax, Inc. System and method for speech processing using independent component analysis under stability constraints
US7099821B2 (en) * 2003-09-12 2006-08-29 Softmax, Inc. Separation of target acoustic signals in a multi-transducer arrangement
US20050182313A1 (en) * 2004-02-17 2005-08-18 Tucker Don M. Method and apparatus for noise extraction in measurements of electromagnetic activity in biological sources
EP1581026B1 (de) 2004-03-17 2015-11-11 Nuance Communications, Inc. Geräuscherkennungs- und Geräuschminderungsverfahren eines Mikrofonfeldes
US8229740B2 (en) * 2004-09-07 2012-07-24 Sensear Pty Ltd. Apparatus and method for protecting hearing from noise while enhancing a sound signal of interest
FR2883656B1 (fr) * 2005-03-25 2008-09-19 Imra Europ Sas Soc Par Actions Traitement continu de la parole utilisant une fonction de transfert heterogene et adaptee
US7464029B2 (en) * 2005-07-22 2008-12-09 Qualcomm Incorporated Robust separation of speech signals in a noisy environment
JP2009529699A (ja) * 2006-03-01 2009-08-20 ソフトマックス，インコーポレイテッド 分離信号を生成するシステムおよび方法
JP4171922B2 (ja) * 2006-04-12 2008-10-29 船井電機株式会社 ミュート装置、液晶ディスプレイテレビ、及びミュート方法
US8180067B2 (en) * 2006-04-28 2012-05-15 Harman International Industries, Incorporated System for selectively extracting components of an audio input signal
US8036767B2 (en) * 2006-09-20 2011-10-11 Harman International Industries, Incorporated System for extracting and changing the reverberant content of an audio input signal
EP2115743A1 (de) * 2007-02-26 2009-11-11 QUALCOMM Incorporated Systeme, verfahren und vorrichtung zur signaltrennung
US8160273B2 (en) * 2007-02-26 2012-04-17 Erik Visser Systems, methods, and apparatus for signal separation using data driven techniques
EP2118885B1 (de) 2007-02-26 2012-07-11 Dolby Laboratories Licensing Corporation Sprachverstärkung in unterhaltungsaudioinhalten
US8175291B2 (en) * 2007-12-19 2012-05-08 Qualcomm Incorporated Systems, methods, and apparatus for multi-microphone based speech enhancement
US8321214B2 (en) * 2008-06-02 2012-11-27 Qualcomm Incorporated Systems, methods, and apparatus for multichannel signal amplitude balancing
WO2011044064A1 (en) * 2009-10-05 2011-04-14 Harman International Industries, Incorporated System for spatial extraction of audio signals
US9357307B2 (en) 2011-02-10 2016-05-31 Dolby Laboratories Licensing Corporation Multi-channel wind noise suppression system and method
US8880444B2 (en) 2012-08-22 2014-11-04 Kodak Alaris Inc. Audio based control of equipment and systems
US9111547B2 (en) 2012-08-22 2015-08-18 Kodak Alaris Inc. Audio signal semantic concept classification method
US10276180B2 (en) 2014-07-21 2019-04-30 Honeywell International Inc. Audio command adaptive processing system and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3118473A1 (de) * 1981-05-09 1982-11-25 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur aufbereitung elektrischer signale mit einer digitalen filteranordnung
JPS5872994A (ja) * 1981-10-27 1983-05-02 電子計算機基本技術研究組合 信号入力装置
JPS58142400A (ja) * 1982-02-17 1983-08-24 三洋電機株式会社 音声認識装置
JPS58160996A (ja) * 1982-03-19 1983-09-24 日本電信電話株式会社 雑音抑圧方式
JPS58194098A (ja) * 1982-05-10 1983-11-11 松下電器産業株式会社 音声認識装置
JPS58196599A (ja) * 1982-05-12 1983-11-16 松下電器産業株式会社 音声認識装置
FR2533100B1 (fr) * 1982-09-09 1986-06-27 Sintra Alcatel Sa Procede et dispositif d'attenuation de bruits parasites
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
US4625083A (en) * 1985-04-02 1986-11-25 Poikela Timo J Voice operated switch
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
ATE43467T1 (de) * 1985-09-03 1989-06-15 Motorola Inc Radiotelephon mit freisprechbetrieb.
GB8608288D0 (en) * 1986-04-04 1986-05-08 Pa Consulting Services Noise compensation in speech recognition
JPH01118900A (ja) * 1987-11-01 1989-05-11 Ricoh Co Ltd 雑音抑圧装置

Also Published As

Publication number Publication date
DE68922426T2 (de) 1996-02-01
EP0332890A2 (de) 1989-09-20
EP0332890B1 (de) 1995-05-03
JP2897230B2 (ja) 1999-05-31
US4912767A (en) 1990-03-27
EP0332890A3 (de) 1991-04-10
JPH01239596A (ja) 1989-09-25

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