JP2001516902A - デジタル音声信号中のノイズを抑制する方法 - Google Patents

デジタル音声信号中のノイズを抑制する方法

Info

Publication number
JP2001516902A
JP2001516902A JP2000512196A JP2000512196A JP2001516902A JP 2001516902 A JP2001516902 A JP 2001516902A JP 2000512196 A JP2000512196 A JP 2000512196A JP 2000512196 A JP2000512196 A JP 2000512196A JP 2001516902 A JP2001516902 A JP 2001516902A
Authority
JP
Japan
Prior art keywords
noise
frame
signal
speech signal
frequency
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
JP2000512196A
Other languages
English (en)
Japanese (ja)
Inventor
フィリプ ロクウド、
ステファン ルビアール、
Original Assignee
マトラ ノーテル コミュニカショーン
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 マトラ ノーテル コミュニカショーン filed Critical マトラ ノーテル コミュニカショーン
Publication of JP2001516902A publication Critical patent/JP2001516902A/ja
Pending 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • 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
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
JP2000512196A 1997-09-18 1998-09-16 デジタル音声信号中のノイズを抑制する方法 Pending JP2001516902A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR97/11642 1997-09-18
FR9711642A FR2768546B1 (fr) 1997-09-18 1997-09-18 Procede de debruitage d'un signal de parole numerique
PCT/FR1998/001981 WO1999014739A1 (fr) 1997-09-18 1998-09-16 Procede de debruitage d'un signal de parole numerique

Publications (1)

Publication Number Publication Date
JP2001516902A true JP2001516902A (ja) 2001-10-02

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000512196A Pending JP2001516902A (ja) 1997-09-18 1998-09-16 デジタル音声信号中のノイズを抑制する方法

Country Status (10)

Country Link
EP (1) EP1016073B1 (fr)
JP (1) JP2001516902A (fr)
CN (1) CN1276896A (fr)
AU (1) AU9169098A (fr)
BR (1) BR9812655A (fr)
CA (1) CA2304015A1 (fr)
DE (1) DE69804329T2 (fr)
ES (1) ES2174484T3 (fr)
FR (1) FR2768546B1 (fr)
WO (1) WO1999014739A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009531906A (ja) * 2006-03-28 2009-09-03 フランス テレコム 空間効果を考慮に入れたバイノーラル合成のための方法
WO2014206265A1 (fr) * 2013-06-26 2014-12-31 华为技术有限公司 Procédé et dispositif d'analyse harmonique, et procédé et dispositif de détermination de fouillis d'échos inter-harmonique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379550A (en) * 2001-09-11 2003-03-12 Barrington Dyer Printed code recording and playing system, for music, speech and sounds
WO2006032760A1 (fr) * 2004-09-16 2006-03-30 France Telecom Procede de traitement d'un signal sonore bruite et dispositif pour la mise en œuvre du procede
JP5459688B2 (ja) 2009-03-31 2014-04-02 ▲ホア▼▲ウェイ▼技術有限公司 復号信号のスペクトルを調整する方法、装置、および音声復号システム
CN101859569B (zh) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 数字音频信号处理降噪的方法
CN113393849B (zh) * 2019-01-29 2022-07-12 桂林理工大学南宁分校 一种双模块数据处理的对讲机系统
CN109817241B (zh) * 2019-02-18 2021-06-01 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、装置及存储介质
CN116580712B (zh) * 2023-07-14 2023-09-15 深圳攀高医疗电子有限公司 一种语音处理方法、系统及腰部治疗仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633673B2 (en) * 1990-01-18 1993-02-04 Matsushita Electric Industrial Co., Ltd. Signal processing device
DE69124005T2 (de) * 1990-05-28 1997-07-31 Matsushita Electric Ind Co Ltd Sprachsignalverarbeitungsvorrichtung
US5469087A (en) * 1992-06-25 1995-11-21 Noise Cancellation Technologies, Inc. Control system using harmonic filters
US5555190A (en) * 1995-07-12 1996-09-10 Micro Motion, Inc. Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009531906A (ja) * 2006-03-28 2009-09-03 フランス テレコム 空間効果を考慮に入れたバイノーラル合成のための方法
US8045718B2 (en) 2006-03-28 2011-10-25 France Telecom Method for binaural synthesis taking into account a room effect
JP4850948B2 (ja) * 2006-03-28 2012-01-11 フランス・テレコム 空間効果を考慮に入れたバイノーラル合成のための方法
WO2014206265A1 (fr) * 2013-06-26 2014-12-31 华为技术有限公司 Procédé et dispositif d'analyse harmonique, et procédé et dispositif de détermination de fouillis d'échos inter-harmonique

Also Published As

Publication number Publication date
FR2768546A1 (fr) 1999-03-19
DE69804329T2 (de) 2002-11-14
FR2768546B1 (fr) 2000-07-21
EP1016073B1 (fr) 2002-03-20
WO1999014739A1 (fr) 1999-03-25
AU9169098A (en) 1999-04-05
CA2304015A1 (fr) 1999-03-25
BR9812655A (pt) 2000-08-22
ES2174484T3 (es) 2002-11-01
CN1276896A (zh) 2000-12-13
DE69804329D1 (de) 2002-04-25
EP1016073A1 (fr) 2000-07-05

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