EP0992978A4 - Dispositif et procede de reduction de bruits - Google Patents

Dispositif et procede de reduction de bruits

Info

Publication number
EP0992978A4
EP0992978A4 EP98957196A EP98957196A EP0992978A4 EP 0992978 A4 EP0992978 A4 EP 0992978A4 EP 98957196 A EP98957196 A EP 98957196A EP 98957196 A EP98957196 A EP 98957196A EP 0992978 A4 EP0992978 A4 EP 0992978A4
Authority
EP
European Patent Office
Prior art keywords
noise reduction
reduction device
reduction method
noise
reduction
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.)
Withdrawn
Application number
EP98957196A
Other languages
German (de)
English (en)
Other versions
EP0992978A1 (fr
Inventor
Kazutaka Tomita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0992978A1 publication Critical patent/EP0992978A1/fr
Publication of EP0992978A4 publication Critical patent/EP0992978A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
EP98957196A 1998-03-30 1998-12-07 Dispositif et procede de reduction de bruits Withdrawn EP0992978A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8417498 1998-03-30
JP8417498 1998-03-30
PCT/JP1998/005512 WO1999050825A1 (fr) 1998-03-30 1998-12-07 Dispositif et procede de reduction de bruits

Publications (2)

Publication Number Publication Date
EP0992978A1 EP0992978A1 (fr) 2000-04-12
EP0992978A4 true EP0992978A4 (fr) 2002-01-16

Family

ID=13823136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98957196A Withdrawn EP0992978A4 (fr) 1998-03-30 1998-12-07 Dispositif et procede de reduction de bruits

Country Status (6)

Country Link
EP (1) EP0992978A4 (fr)
KR (1) KR100314332B1 (fr)
CN (1) CN1258368A (fr)
AU (1) AU721270B2 (fr)
CA (1) CA2291826A1 (fr)
WO (1) WO1999050825A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4162604B2 (ja) 2004-01-08 2008-10-08 株式会社東芝 雑音抑圧装置及び雑音抑圧方法
WO2006046293A1 (fr) * 2004-10-28 2006-05-04 Fujitsu Limited Systeme de suppression du bruit
JP4873913B2 (ja) 2004-12-17 2012-02-08 学校法人早稲田大学 音源分離システムおよび音源分離方法、並びに音響信号取得装置
GB2422237A (en) * 2004-12-21 2006-07-19 Fluency Voice Technology Ltd Dynamic coefficients determined from temporally adjacent speech frames
DE602006008481D1 (de) 2005-05-17 2009-09-24 Univ Waseda Rauschunterdrückungsverfahren und -vorrichtungen
KR100686382B1 (ko) 2005-07-08 2007-02-22 엔에이치엔(주) 싱크 서버를 이용한 메신저 알림 시스템 및 방법
CN1822092B (zh) * 2006-03-28 2010-05-26 北京中星微电子有限公司 一种消除语音输入中背景噪声的方法及其装置
CN101166232B (zh) * 2006-10-19 2010-05-12 华晶科技股份有限公司 消除马达声音的方法及其数字影像撷取装置
JP5483000B2 (ja) * 2007-09-19 2014-05-07 日本電気株式会社 雑音抑圧装置、その方法及びプログラム
US20120143604A1 (en) * 2010-12-07 2012-06-07 Rita Singh Method for Restoring Spectral Components in Denoised Speech Signals
JP6182895B2 (ja) 2012-05-01 2017-08-23 株式会社リコー 処理装置、処理方法、プログラム及び処理システム
JP6216546B2 (ja) * 2013-06-18 2017-10-18 パイオニア株式会社 ノイズ低減装置、放送受信装置及びノイズ低減方法
JP2015206874A (ja) 2014-04-18 2015-11-19 富士通株式会社 信号処理装置、信号処理方法、及び、プログラム
JP6687453B2 (ja) * 2016-04-12 2020-04-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ ステレオ再生装置
JP6668995B2 (ja) 2016-07-27 2020-03-18 富士通株式会社 雑音抑圧装置、雑音抑圧方法及び雑音抑圧用コンピュータプログラム
CN108831500B (zh) * 2018-05-29 2023-04-28 平安科技（深圳）有限公司 语音增强方法、装置、计算机设备及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015550A1 (fr) * 1993-11-30 1995-06-08 At & T Corp. Reduction du bruit transmis dans les systemes de telecommunications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8801014D0 (en) * 1988-01-18 1988-02-17 British Telecomm Noise reduction
US5710862A (en) * 1993-06-30 1998-01-20 Motorola, Inc. Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals
WO1995016259A1 (fr) * 1993-12-06 1995-06-15 Philips Electronics N.V. Systeme et dispositif de reduction du bruit et unite de radiotelephone mobile
JP3437264B2 (ja) * 1994-07-07 2003-08-18 パナソニック モバイルコミュニケーションズ株式会社 雑音抑圧装置
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
JP3451146B2 (ja) * 1995-02-17 2003-09-29 株式会社日立製作所 スペクトルサブトラクションを用いた雑音除去システムおよび方法
JP3484801B2 (ja) * 1995-02-17 2004-01-06 ソニー株式会社 音声信号の雑音低減方法及び装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015550A1 (fr) * 1993-11-30 1995-06-08 At & T Corp. Reduction du bruit transmis dans les systemes de telecommunications

Also Published As

Publication number Publication date
KR20000076037A (ko) 2000-12-26
EP0992978A1 (fr) 2000-04-12
AU1352599A (en) 1999-10-18
KR100314332B1 (ko) 2001-11-16
WO1999050825A1 (fr) 1999-10-07
AU721270B2 (en) 2000-06-29
CN1258368A (zh) 2000-06-28
CA2291826A1 (fr) 1999-10-07

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