DE60020317D1 - Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors - Google Patents

Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors

Info

Publication number
DE60020317D1
DE60020317D1 DE60020317T DE60020317T DE60020317D1 DE 60020317 D1 DE60020317 D1 DE 60020317D1 DE 60020317 T DE60020317 T DE 60020317T DE 60020317 T DE60020317 T DE 60020317T DE 60020317 D1 DE60020317 D1 DE 60020317D1
Authority
DE
Germany
Prior art keywords
noise reduction
activity detector
external language
language activity
external
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
DE60020317T
Other languages
English (en)
Other versions
DE60020317T2 (de
Inventor
Brian Piket
Wayne Springfield
Pei-Ching Chen
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.)
Cdc Propriete Intellectuelle Sa Paris Fr
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE60020317D1 publication Critical patent/DE60020317D1/de
Publication of DE60020317T2 publication Critical patent/DE60020317T2/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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
DE60020317T 1999-04-19 2000-03-16 Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors Expired - Lifetime DE60020317T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US293901 1999-04-19
US09/293,901 US6618701B2 (en) 1999-04-19 1999-04-19 Method and system for noise suppression using external voice activity detection
PCT/US2000/007090 WO2000063887A1 (en) 1999-04-19 2000-03-16 Noise suppression using external voice activity detection

Publications (2)

Publication Number Publication Date
DE60020317D1 true DE60020317D1 (de) 2005-06-30
DE60020317T2 DE60020317T2 (de) 2005-11-17

Family

ID=23131053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020317T Expired - Lifetime DE60020317T2 (de) 1999-04-19 2000-03-16 Rauschunterdrückung unter verwendung eines externen sprach-aktivitäts-detektors

Country Status (9)

Country Link
US (1) US6618701B2 (de)
EP (1) EP1086453B1 (de)
JP (1) JP2002542692A (de)
KR (1) KR100676216B1 (de)
CN (1) CN1133152C (de)
AU (1) AU3893700A (de)
DE (1) DE60020317T2 (de)
HK (1) HK1041739A1 (de)
WO (1) WO2000063887A1 (de)

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US9966085B2 (en) * 2006-12-30 2018-05-08 Google Technology Holdings LLC Method and noise suppression circuit incorporating a plurality of noise suppression techniques
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CN101320559B (zh) * 2007-06-07 2011-05-18 华为技术有限公司 一种声音激活检测装置及方法
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US9575715B2 (en) * 2008-05-16 2017-02-21 Adobe Systems Incorporated Leveling audio signals
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US8184791B2 (en) * 2009-03-30 2012-05-22 Verizon Patent And Licensing Inc. Method and system for compensating audio signals during a communication session
CN101859568B (zh) * 2009-04-10 2012-05-30 比亚迪股份有限公司 一种语音背景噪声的消除方法和装置
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CN104485118A (zh) * 2009-10-19 2015-04-01 瑞典爱立信有限公司 用于语音活动检测的检测器和方法
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CN102792373B (zh) * 2010-03-09 2014-05-07 三菱电机株式会社 噪音抑制装置
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US9792925B2 (en) * 2010-11-25 2017-10-17 Nec Corporation Signal processing device, signal processing method and signal processing program
EP3726530A1 (de) * 2010-12-24 2020-10-21 Huawei Technologies Co., Ltd. Verfahren und vorrichtung zur adaptiven detektion einer stimmaktivität in einem audioeingangssignal
CN102543092B (zh) * 2010-12-29 2014-02-05 联芯科技有限公司 一种噪声估计方法及装置
WO2012127278A1 (en) * 2011-03-18 2012-09-27 Nokia Corporation Apparatus for audio signal processing
US8990074B2 (en) 2011-05-24 2015-03-24 Qualcomm Incorporated Noise-robust speech coding mode classification
US9210507B2 (en) * 2013-01-29 2015-12-08 2236008 Ontartio Inc. Microphone hiss mitigation
CN110265058B (zh) 2013-12-19 2023-01-17 瑞典爱立信有限公司 估计音频信号中的背景噪声
CN104269178A (zh) * 2014-08-08 2015-01-07 华迪计算机集团有限公司 对语音信号进行自适应谱减和小波包消噪处理的方法和装置
US9953661B2 (en) * 2014-09-26 2018-04-24 Cirrus Logic Inc. Neural network voice activity detection employing running range normalization
US10771631B2 (en) * 2016-08-03 2020-09-08 Dolby Laboratories Licensing Corporation State-based endpoint conference interaction
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Also Published As

Publication number Publication date
EP1086453B1 (de) 2005-05-25
JP2002542692A (ja) 2002-12-10
US20020152066A1 (en) 2002-10-17
CN1300417A (zh) 2001-06-20
WO2000063887A1 (en) 2000-10-26
KR100676216B1 (ko) 2007-01-30
AU3893700A (en) 2000-11-02
US6618701B2 (en) 2003-09-09
CN1133152C (zh) 2003-12-31
EP1086453A1 (de) 2001-03-28
KR20010052483A (ko) 2001-06-25
HK1041739A1 (en) 2002-07-19
DE60020317T2 (de) 2005-11-17

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SCHUMACHER & WILLSAU PATENTANWALTSGESELLSCHAFT MBH

8327 Change in the person/name/address of the patent owner

Owner name: TORSAL TECHNOLOGY GROUP LTD. LLC, WILMINGTON, , US

8327 Change in the person/name/address of the patent owner

Owner name: CDC PROPRIETE INTELLECTUELLE SA, PARIS, FR

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