DE69803203T2 - Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals - Google Patents

Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Info

Publication number
DE69803203T2
DE69803203T2 DE69803203T DE69803203T DE69803203T2 DE 69803203 T2 DE69803203 T2 DE 69803203T2 DE 69803203 T DE69803203 T DE 69803203T DE 69803203 T DE69803203 T DE 69803203T DE 69803203 T2 DE69803203 T2 DE 69803203T2
Authority
DE
Germany
Prior art keywords
noise reduction
voice signal
digital voice
digital
noise
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 - Fee Related
Application number
DE69803203T
Other languages
English (en)
Other versions
DE69803203D1 (de
Inventor
Philip Lockwood
Stephane Lubiarz
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.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Application granted granted Critical
Publication of DE69803203D1 publication Critical patent/DE69803203D1/de
Publication of DE69803203T2 publication Critical patent/DE69803203T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
DE69803203T 1997-09-18 1998-09-16 Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals Expired - Fee Related DE69803203T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711643A FR2768547B1 (fr) 1997-09-18 1997-09-18 Procede de debruitage d'un signal de parole numerique
PCT/FR1998/001980 WO1999014738A1 (fr) 1997-09-18 1998-09-16 Procede de debruitage d'un signal de parole numerique

Publications (2)

Publication Number Publication Date
DE69803203D1 DE69803203D1 (de) 2002-02-21
DE69803203T2 true DE69803203T2 (de) 2002-08-29

Family

ID=9511230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803203T Expired - Fee Related DE69803203T2 (de) 1997-09-18 1998-09-16 Verfahren und vorrichtung zur rauschunterdrückung eines digitalen sprachsignals

Country Status (7)

Country Link
US (1) US6477489B1 (de)
EP (1) EP1016072B1 (de)
AU (1) AU9168998A (de)
CA (1) CA2304571A1 (de)
DE (1) DE69803203T2 (de)
FR (1) FR2768547B1 (de)
WO (1) WO1999014738A1 (de)

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US20020150264A1 (en) * 2001-04-11 2002-10-17 Silvia Allegro Method for eliminating spurious signal components in an input signal of an auditory system, application of the method, and a hearing aid
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US7398204B2 (en) * 2002-08-27 2008-07-08 Her Majesty In Right Of Canada As Represented By The Minister Of Industry Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking
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US8446947B2 (en) * 2003-10-10 2013-05-21 Agency For Science, Technology And Research Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
US7725314B2 (en) * 2004-02-16 2010-05-25 Microsoft Corporation Method and apparatus for constructing a speech filter using estimates of clean speech and noise
US7729908B2 (en) * 2005-03-04 2010-06-01 Panasonic Corporation Joint signal and model based noise matching noise robustness method for automatic speech recognition
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US8126706B2 (en) * 2005-12-09 2012-02-28 Acoustic Technologies, Inc. Music detector for echo cancellation and noise reduction
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JP4757158B2 (ja) * 2006-09-20 2011-08-24 富士通株式会社 音信号処理方法、音信号処理装置及びコンピュータプログラム
US20080162119A1 (en) * 2007-01-03 2008-07-03 Lenhardt Martin L Discourse Non-Speech Sound Identification and Elimination
JP5530720B2 (ja) 2007-02-26 2014-06-25 ドルビー ラボラトリーズ ライセンシング コーポレイション エンターテイメントオーディオにおける音声強調方法、装置、およびコンピュータ読取り可能な記録媒体
KR101163411B1 (ko) * 2007-03-19 2012-07-12 돌비 레버러토리즈 라이쎈싱 코오포레이션 지각 모델을 사용한 스피치 개선
EP2191466B1 (de) * 2007-09-12 2013-05-22 Dolby Laboratories Licensing Corporation Spracherweiterung mit stimmklarheit
WO2009035613A1 (en) * 2007-09-12 2009-03-19 Dolby Laboratories Licensing Corporation Speech enhancement with noise level estimation adjustment
US20100207689A1 (en) * 2007-09-19 2010-08-19 Nec Corporation Noise suppression device, its method, and program
JP5056654B2 (ja) * 2008-07-29 2012-10-24 株式会社Ｊｖｃケンウッド 雑音抑制装置、及び雑音抑制方法
US20110257978A1 (en) * 2009-10-23 2011-10-20 Brainlike, Inc. Time Series Filtering, Data Reduction and Voice Recognition in Communication Device
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8423357B2 (en) * 2010-06-18 2013-04-16 Alon Konchitsky System and method for biometric acoustic noise reduction
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9536540B2 (en) * 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
CN103824562B (zh) * 2014-02-10 2016-08-17 太原理工大学 基于心理声学模型的语音后置感知滤波器
DE102014009689A1 (de) * 2014-06-30 2015-12-31 Airbus Operations Gmbh Intelligentes Soundsystem/-modul zur Kabinenkommunikation
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
CN105869652B (zh) * 2015-01-21 2020-02-18 北京大学深圳研究院 心理声学模型计算方法和装置
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones
EP3566229B1 (de) * 2017-01-23 2020-11-25 Huawei Technologies Co., Ltd. Vorrichtung und verfahren zur verbesserung einer erwünschten komponente in einem signal
US11017798B2 (en) * 2017-12-29 2021-05-25 Harman Becker Automotive Systems Gmbh Dynamic noise suppression and operations for noisy speech signals

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FR2739736B1 (fr) * 1995-10-05 1997-12-05 Jean Laroche Procede de reduction des pre-echos ou post-echos affectant des enregistrements audio
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US6144937A (en) * 1997-07-23 2000-11-07 Texas Instruments Incorporated Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information

Also Published As

Publication number Publication date
WO1999014738A1 (fr) 1999-03-25
CA2304571A1 (fr) 1999-03-25
AU9168998A (en) 1999-04-05
US6477489B1 (en) 2002-11-05
FR2768547A1 (fr) 1999-03-19
FR2768547B1 (fr) 1999-11-19
EP1016072B1 (de) 2002-01-16
EP1016072A1 (de) 2000-07-05
DE69803203D1 (de) 2002-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee