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ES2136815T3 - Deteccion de actividad vocal. - Google Patents

Deteccion de actividad vocal.

Info

Publication number
ES2136815T3
ES2136815T3 ES95402589T ES95402589T ES2136815T3 ES 2136815 T3 ES2136815 T3 ES 2136815T3 ES 95402589 T ES95402589 T ES 95402589T ES 95402589 T ES95402589 T ES 95402589T ES 2136815 T3 ES2136815 T3 ES 2136815T3
Authority
ES
Spain
Prior art keywords
vector
standard
value
indicator
detection
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
ES95402589T
Other languages
English (en)
Inventor
Jamil Chaqui
Ivan Bourmeyster
Francois Robbe
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.)
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Nokia 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 Alcatel SA, Nokia Inc filed Critical Alcatel SA
Application granted granted Critical
Publication of ES2136815T3 publication Critical patent/ES2136815T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Complex Calculations (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Cosmetics (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

DISOSIOTIVO DE DETECCIONES DE ACTIVIDAD VOCAL EN UNA SEÑAL AUDIO QUE COMPRENDE: - MEDIOS PARA CALCULAR LOS COEFICIENTES DE AUTOCORRELACION PARA CALCULAR LOS COEFICIENTE DE AUTOCORRELACION (R(K)) DE ESTA SEÑAL, - MEDIOS PARA IDENTIFICAR UN PRIMER VECTOR DE AUTOCORRELACION (R{SUB,0}) QUE TIENE COMO COMPONENTES UNA PRIMERA SERIE (K=0,....N-Q) DE COEFICIENTES DE AUTOCORRELACION (R(K)), - MEDIOS PARA IDENTIFICAR UN SEGUNDO VECTOR DE AUTOCORRELACION (R{SUB,Q}) QUE TIENE COMO COMPONENTES UNA SEGUNDA SERIE (K=Q,....N) DE COEFICIENTES DE AUTOCORRELACION (R(K)) DECALADOS RESPECTO DE LA PRIMERA SERIE DE UN VALOR DE DECALAJE (Q) PREDETERMINADO, - MEDIOS PARA SUSTRAER EL PRIMER VALOR DE AUTOCORRELACION (R{SUB,0}) DEL SEGUNDO VECTOR DE AUTOCORRELACION (R{SUB,Q}) CON EL FIN DE OBTENER UN VECTOR DE DIFERENCIACION ({DE}R), - MEDIOS PARA CALCULAR UNA NORMA ({D}R) DEL VECTOR DE DIFERENCIACION, REPRESENTANDO ESTA NORMA UN INDICADOR DE ACTIVIDAD VOCAL.
ES95402589T 1994-11-22 1995-11-17 Deteccion de actividad vocal. Expired - Lifetime ES2136815T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413962A FR2727236B1 (fr) 1994-11-22 1994-11-22 Detection d'activite vocale

Publications (1)

Publication Number Publication Date
ES2136815T3 true ES2136815T3 (es) 1999-12-01

Family

ID=9469024

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95402589T Expired - Lifetime ES2136815T3 (es) 1994-11-22 1995-11-17 Deteccion de actividad vocal.

Country Status (10)

Country Link
US (1) US5732141A (es)
EP (1) EP0714088B1 (es)
JP (1) JPH08221097A (es)
AT (1) ATE183598T1 (es)
AU (1) AU698712B2 (es)
CA (1) CA2163295A1 (es)
DE (1) DE69511508T2 (es)
ES (1) ES2136815T3 (es)
FI (1) FI955584A (es)
FR (1) FR2727236B1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716862A1 (de) 1997-04-22 1998-10-29 Deutsche Telekom Ag Sprachaktivitätserkennung
US6556967B1 (en) 1999-03-12 2003-04-29 The United States Of America As Represented By The National Security Agency Voice activity detector
US6381568B1 (en) 1999-05-05 2002-04-30 The United States Of America As Represented By The National Security Agency Method of transmitting speech using discontinuous transmission and comfort noise
EP1304682A1 (en) * 2000-07-05 2003-04-23 Alcatel Distributed speech recognition system
EP1170728A1 (en) * 2000-07-05 2002-01-09 Alcatel System for adaptively reducing noise in speech signals
EP1175058A1 (en) * 2000-07-21 2002-01-23 Alcatel Processor system, and terminal, and network-unit, and method
US7305099B2 (en) * 2003-08-12 2007-12-04 Sony Ericsson Mobile Communications Ab Electronic devices, methods, and computer program products for detecting noise in a signal based on autocorrelation coefficient gradients
EP1729410A1 (en) * 2005-06-02 2006-12-06 Sony Ericsson Mobile Communications AB Device and method for audio signal gain control
CN101983402B (zh) * 2008-09-16 2012-06-27 松下电器产业株式会社 声音分析装置、方法、系统、合成装置、及校正规则信息生成装置、方法
US9002030B2 (en) 2012-05-01 2015-04-07 Audyssey Laboratories, Inc. System and method for performing voice activity detection

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919479A (en) * 1972-09-21 1975-11-11 First National Bank Of Boston Broadcast signal identification system
JPS597120B2 (ja) * 1978-11-24 1984-02-16 日本電気株式会社 音声分析装置
JPS5672499A (en) * 1979-11-19 1981-06-16 Hitachi Ltd Pretreatment for voice identifier
GB2139052A (en) * 1983-04-20 1984-10-31 Philips Electronic Associated Apparatus for distinguishing between speech and certain other signals
US4720802A (en) * 1983-07-26 1988-01-19 Lear Siegler Noise compensation arrangement
JPS62204652A (ja) * 1986-03-04 1987-09-09 Nec Corp 可聴周波信号識別方式
US4815137A (en) * 1986-11-06 1989-03-21 American Telephone And Telegraph Company Voiceband signal classification
FR2623382B1 (fr) * 1987-11-24 1991-05-03 Peugeot Cycles Dispositif de fixation d'un revetement notamment un revetement de siege
PT89978B (pt) * 1988-03-11 1995-03-01 British Telecomm Aparelho detector da actividade vocal e aparelho telefonico movel que o contem
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
US5410632A (en) * 1991-12-23 1995-04-25 Motorola, Inc. Variable hangover time in a voice activity detector

Also Published As

Publication number Publication date
AU3793795A (en) 1996-05-30
US5732141A (en) 1998-03-24
FR2727236B1 (fr) 1996-12-27
DE69511508D1 (de) 1999-09-23
FR2727236A1 (fr) 1996-05-24
JPH08221097A (ja) 1996-08-30
EP0714088B1 (fr) 1999-08-18
CA2163295A1 (fr) 1996-05-23
ATE183598T1 (de) 1999-09-15
AU698712B2 (en) 1998-11-05
FI955584A (fi) 1996-05-23
EP0714088A1 (fr) 1996-05-29
FI955584A0 (fi) 1995-11-20
DE69511508T2 (de) 2000-07-06

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