BR9812655A - Processo de eliminação de ruìdo de um sinal de fala numérico - Google Patents

Processo de eliminação de ruìdo de um sinal de fala numérico

Info

Publication number
BR9812655A
BR9812655A BR9812655-5A BR9812655A BR9812655A BR 9812655 A BR9812655 A BR 9812655A BR 9812655 A BR9812655 A BR 9812655A BR 9812655 A BR9812655 A BR 9812655A
Authority
BR
Brazil
Prior art keywords
spectral
signal
voice signal
noise
maximized
Prior art date
Application number
BR9812655-5A
Other languages
English (en)
Portuguese (pt)
Inventor
Philip Lockwood
Stephane Lubiarz
Original Assignee
Matra Nortel Communications
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 Matra Nortel Communications filed Critical Matra Nortel Communications
Publication of BR9812655A publication Critical patent/BR9812655A/pt

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)
BR9812655-5A 1997-09-18 1998-09-16 Processo de eliminação de ruìdo de um sinal de fala numérico BR9812655A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
BR9812655A true BR9812655A (pt) 2000-08-22

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812655-5A BR9812655A (pt) 1997-09-18 1998-09-16 Processo de eliminação de ruìdo de um sinal de fala numérico

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)

Families Citing this family (9)

* 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
EP1789956B1 (fr) * 2004-09-16 2010-08-04 France Telecom Procede de traitement d'un signal sonore bruite et dispositif pour la mise en oeuvre du procede
FR2899424A1 (fr) 2006-03-28 2007-10-05 France Telecom Procede de synthese binaurale prenant en compte un effet de salle
WO2010111876A1 (fr) 2009-03-31 2010-10-07 华为技术有限公司 Procédé et dispositif de débruitage de signaux et système de décodage de fréquence audio
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
CN104251934B (zh) * 2013-06-26 2018-08-14 华为技术有限公司 谐波分析方法和装置以及确定谐波间杂波的方法和装置
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
EP0459362B1 (fr) * 1990-05-28 1997-01-08 Matsushita Electric Industrial Co., Ltd. Processeur de signal de parole
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

Also Published As

Publication number Publication date
CA2304015A1 (fr) 1999-03-25
AU9169098A (en) 1999-04-05
FR2768546A1 (fr) 1999-03-19
FR2768546B1 (fr) 2000-07-21
ES2174484T3 (es) 2002-11-01
JP2001516902A (ja) 2001-10-02
EP1016073A1 (fr) 2000-07-05
DE69804329T2 (de) 2002-11-14
EP1016073B1 (fr) 2002-03-20
CN1276896A (zh) 2000-12-13
DE69804329D1 (de) 2002-04-25
WO1999014739A1 (fr) 1999-03-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A,6A,7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1890 DE 27/03/2007.