DE60311548D1 - Verfahren zur iterativen Geräuschschätzung in einem rekursiven Zusammenhang - Google Patents

Verfahren zur iterativen Geräuschschätzung in einem rekursiven Zusammenhang

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Publication number
DE60311548D1
DE60311548D1 DE60311548T DE60311548T DE60311548D1 DE 60311548 D1 DE60311548 D1 DE 60311548D1 DE 60311548 T DE60311548 T DE 60311548T DE 60311548 T DE60311548 T DE 60311548T DE 60311548 D1 DE60311548 D1 DE 60311548D1
Authority
DE
Germany
Prior art keywords
noise
frame
recursive
noise estimation
previous iteration
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
DE60311548T
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English (en)
Other versions
DE60311548T2 (de
Inventor
Alejandro Acero
Li Deng
G Droppo
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.)
Microsoft Corp
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of DE60311548D1 publication Critical patent/DE60311548D1/de
Publication of DE60311548T2 publication Critical patent/DE60311548T2/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
    • 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
DE60311548T 2002-09-06 2003-09-05 Verfahren zur iterativen Geräuschschätzung in einem rekursiven Zusammenhang Expired - Lifetime DE60311548T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US237162 2002-09-06
US10/237,162 US7139703B2 (en) 2002-04-05 2002-09-06 Method of iterative noise estimation in a recursive framework

Publications (2)

Publication Number Publication Date
DE60311548D1 true DE60311548D1 (de) 2007-03-22
DE60311548T2 DE60311548T2 (de) 2007-05-24

Family

ID=31715333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311548T Expired - Lifetime DE60311548T2 (de) 2002-09-06 2003-09-05 Verfahren zur iterativen Geräuschschätzung in einem rekursiven Zusammenhang

Country Status (5)

Country Link
US (1) US7139703B2 (de)
EP (1) EP1396845B1 (de)
JP (1) JP4491210B2 (de)
AT (1) ATE353157T1 (de)
DE (1) DE60311548T2 (de)

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US7421380B2 (en) * 2004-12-14 2008-09-02 Microsoft Corporation Gradient learning for probabilistic ARMA time-series models
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US7617010B2 (en) * 2005-12-28 2009-11-10 Microsoft Corporation Detecting instabilities in time series forecasting
JP4245617B2 (ja) * 2006-04-06 2009-03-25 株式会社東芝 特徴量補正装置、特徴量補正方法および特徴量補正プログラム
JP4316583B2 (ja) * 2006-04-07 2009-08-19 株式会社東芝 特徴量補正装置、特徴量補正方法および特徴量補正プログラム
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US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
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US8306817B2 (en) * 2008-01-08 2012-11-06 Microsoft Corporation Speech recognition with non-linear noise reduction on Mel-frequency cepstra
US8185480B2 (en) * 2008-04-02 2012-05-22 International Business Machines Corporation System and method for optimizing pattern recognition of non-gaussian parameters
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US8325909B2 (en) * 2008-06-25 2012-12-04 Microsoft Corporation Acoustic echo suppression
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
GB2464093B (en) * 2008-09-29 2011-03-09 Toshiba Res Europ Ltd A speech recognition method
KR101597752B1 (ko) * 2008-10-10 2016-02-24 삼성전자주식회사 잡음 추정 장치 및 방법과, 이를 이용한 잡음 감소 장치
GB2471875B (en) * 2009-07-15 2011-08-10 Toshiba Res Europ Ltd A speech recognition system and method
KR101581885B1 (ko) * 2009-08-26 2016-01-04 삼성전자주식회사 복소 스펙트럼 잡음 제거 장치 및 방법
US20110178800A1 (en) * 2010-01-19 2011-07-21 Lloyd Watts Distortion Measurement for Noise Suppression System
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JP5709179B2 (ja) * 2010-07-14 2015-04-30 学校法人早稲田大学 隠れマルコフモデルの推定方法，推定装置および推定プログラム
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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
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung

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Also Published As

Publication number Publication date
ATE353157T1 (de) 2007-02-15
US20030191641A1 (en) 2003-10-09
DE60311548T2 (de) 2007-05-24
JP2004264816A (ja) 2004-09-24
EP1396845A1 (de) 2004-03-10
EP1396845B1 (de) 2007-01-31
JP4491210B2 (ja) 2010-06-30
US7139703B2 (en) 2006-11-21

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