JP2003514264A5 - - Google Patents

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Publication number
JP2003514264A5
JP2003514264A5 JP2001537720A JP2001537720A JP2003514264A5 JP 2003514264 A5 JP2003514264 A5 JP 2003514264A5 JP 2001537720 A JP2001537720 A JP 2001537720A JP 2001537720 A JP2001537720 A JP 2001537720A JP 2003514264 A5 JP2003514264 A5 JP 2003514264A5
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JP
Japan
Prior art keywords
noise
estimate
voice
noise suppression
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.)
Pending
Application number
JP2001537720A
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English (en)
Japanese (ja)
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JP2003514264A (ja
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Publication date
Priority claimed from FI992453A external-priority patent/FI19992453L/fi
Application filed filed Critical
Publication of JP2003514264A publication Critical patent/JP2003514264A/ja
Publication of JP2003514264A5 publication Critical patent/JP2003514264A5/ja
Pending legal-status Critical Current

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JP2001537720A 1999-11-15 2000-11-14 雑音抑圧装置 Pending JP2003514264A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI19992453 1999-11-15
FI992453A FI19992453L (fi) 1999-11-15 1999-11-15 Kohinanvaimennus
PCT/FI2000/000996 WO2001037254A2 (en) 1999-11-15 2000-11-14 A noise suppression method

Publications (2)

Publication Number Publication Date
JP2003514264A JP2003514264A (ja) 2003-04-15
JP2003514264A5 true JP2003514264A5 (https=) 2007-10-25

Family

ID=8555599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001537720A Pending JP2003514264A (ja) 1999-11-15 2000-11-14 雑音抑圧装置

Country Status (8)

Country Link
US (1) US7889874B1 (https=)
EP (1) EP1242992B2 (https=)
JP (1) JP2003514264A (https=)
CN (1) CN1161752C (https=)
AU (1) AU1527301A (https=)
DE (1) DE60026570T3 (https=)
FI (1) FI19992453L (https=)
WO (1) WO2001037254A2 (https=)

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DE10137348A1 (de) * 2001-07-31 2003-02-20 Alcatel Sa Verfahren und Schaltungsanordnung zur Geräuschreduktion bei der Sprachübertragung in Kommunikationssystemen
US7133825B2 (en) * 2003-11-28 2006-11-07 Skyworks Solutions, Inc. Computationally efficient background noise suppressor for speech coding and speech recognition
JP5435204B2 (ja) * 2006-07-03 2014-03-05 日本電気株式会社 雑音抑圧の方法、装置、及びプログラム
US8068620B2 (en) * 2007-03-01 2011-11-29 Canon Kabushiki Kaisha Audio processing apparatus
EP2031583B1 (en) * 2007-08-31 2010-01-06 Harman Becker Automotive Systems GmbH Fast estimation of spectral noise power density for speech signal enhancement
KR101317813B1 (ko) * 2008-03-31 2013-10-15 (주)트란소노 노이지 음성 신호의 처리 방법과 이를 위한 장치 및 컴퓨터판독 가능한 기록매체
JP4660578B2 (ja) * 2008-08-29 2011-03-30 株式会社東芝 信号補正装置
US8160271B2 (en) 2008-10-23 2012-04-17 Continental Automotive Systems, Inc. Variable noise masking during periods of substantial silence
EP2395500B1 (en) 2010-06-11 2014-04-02 Nxp B.V. Audio device
CN103325386B (zh) 2012-03-23 2016-12-21 杜比实验室特许公司 用于信号传输控制的方法和系统
CN103886867B (zh) * 2012-12-21 2017-06-27 华为技术有限公司 一种噪声抑制装置及其方法
DE102013111784B4 (de) * 2013-10-25 2019-11-14 Intel IP Corporation Audioverarbeitungsvorrichtungen und audioverarbeitungsverfahren
CN105869649B (zh) * 2015-01-21 2020-02-21 北京大学深圳研究院 感知滤波方法和感知滤波器
US10224053B2 (en) * 2017-03-24 2019-03-05 Hyundai Motor Company Audio signal quality enhancement based on quantitative SNR analysis and adaptive Wiener filtering
CN113808608B (zh) * 2021-09-17 2023-07-25 随锐科技集团股份有限公司 一种基于时频掩蔽平滑策略的单声道噪声抑制方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92535C (fi) * 1992-02-14 1994-11-25 Nokia Mobile Phones Ltd Kohinan vaimennusjärjestelmä puhesignaaleille
EP0707763B1 (en) * 1993-07-07 2001-08-29 Picturetel Corporation Reduction of background noise for speech enhancement
CA2153170C (en) * 1993-11-30 2000-12-19 At&T Corp. Transmitted noise reduction in communications systems
US5544250A (en) * 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
US5768473A (en) * 1995-01-30 1998-06-16 Noise Cancellation Technologies, Inc. Adaptive speech filter
US5706395A (en) 1995-04-19 1998-01-06 Texas Instruments Incorporated Adaptive weiner filtering using a dynamic suppression factor
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
JP4006770B2 (ja) * 1996-11-21 2007-11-14 松下電器産業株式会社 ノイズ推定装置、ノイズ削減装置、ノイズ推定方法、及びノイズ削減方法
JPH1138998A (ja) * 1997-07-16 1999-02-12 Olympus Optical Co Ltd 雑音抑圧装置および雑音抑圧処理プログラムを記録した記録媒体
FR2771542B1 (fr) † 1997-11-21 2000-02-11 Sextant Avionique Procede de filtrage frequentiel applique au debruitage de signaux sonores mettant en oeuvre un filtre de wiener
US6088668A (en) * 1998-06-22 2000-07-11 D.S.P.C. Technologies Ltd. Noise suppressor having weighted gain smoothing
EP1081685A3 (en) * 1999-09-01 2002-04-24 TRW Inc. System and method for noise reduction using a single microphone
JP3454206B2 (ja) * 1999-11-10 2003-10-06 三菱電機株式会社 雑音抑圧装置及び雑音抑圧方法

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