FR2631147B1 - Procede et dispositif de detection de signaux vocaux - Google Patents

Procede et dispositif de detection de signaux vocaux

Info

Publication number
FR2631147B1
FR2631147B1 FR8806001A FR8806001A FR2631147B1 FR 2631147 B1 FR2631147 B1 FR 2631147B1 FR 8806001 A FR8806001 A FR 8806001A FR 8806001 A FR8806001 A FR 8806001A FR 2631147 B1 FR2631147 B1 FR 2631147B1
Authority
FR
France
Prior art keywords
signal
energy
filtered
digital signal
maximum
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
FR8806001A
Other languages
English (en)
Other versions
FR2631147A1 (fr
Inventor
Pierre Andre Laurent
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.)
Thales SA
Original Assignee
Thomson CSF SA
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
Priority to FR8806001A priority Critical patent/FR2631147B1/fr
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to EP89401168A priority patent/EP0341128B1/fr
Priority to ES198989401168T priority patent/ES2036813T3/es
Priority to AT89401168T priority patent/ATE83578T1/de
Priority to DE8989401168T priority patent/DE68903872T2/de
Priority to JP1112386A priority patent/JPH0213999A/ja
Priority to CA000598632A priority patent/CA1312357C/fr
Priority to US07/347,014 priority patent/US4982341A/en
Publication of FR2631147A1 publication Critical patent/FR2631147A1/fr
Application granted granted Critical
Publication of FR2631147B1 publication Critical patent/FR2631147B1/fr
Priority to GR930400563T priority patent/GR3007361T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
FR8806001A 1988-05-04 1988-05-04 Procede et dispositif de detection de signaux vocaux Expired - Lifetime FR2631147B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR8806001A FR2631147B1 (fr) 1988-05-04 1988-05-04 Procede et dispositif de detection de signaux vocaux
ES198989401168T ES2036813T3 (es) 1988-05-04 1989-04-25 Procedimiento y dispositivo de deteccion de senales vocales.
AT89401168T ATE83578T1 (de) 1988-05-04 1989-04-25 Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen.
DE8989401168T DE68903872T2 (de) 1988-05-04 1989-04-25 Verfahren und anordnung zur feststellung der anwesenheit von sprachsignalen.
EP89401168A EP0341128B1 (fr) 1988-05-04 1989-04-25 Procédé et dispositif de détection de signaux vocaux
JP1112386A JPH0213999A (ja) 1988-05-04 1989-05-02 音声信号検出方法及び装置
CA000598632A CA1312357C (fr) 1988-05-04 1989-05-03 Procede et dispositif de detection de signaux vocaux
US07/347,014 US4982341A (en) 1988-05-04 1989-05-04 Method and device for the detection of vocal signals
GR930400563T GR3007361T3 (fr) 1988-05-04 1993-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8806001A FR2631147B1 (fr) 1988-05-04 1988-05-04 Procede et dispositif de detection de signaux vocaux

Publications (2)

Publication Number Publication Date
FR2631147A1 FR2631147A1 (fr) 1989-11-10
FR2631147B1 true FR2631147B1 (fr) 1991-02-08

Family

ID=9365991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8806001A Expired - Lifetime FR2631147B1 (fr) 1988-05-04 1988-05-04 Procede et dispositif de detection de signaux vocaux

Country Status (9)

Country Link
US (1) US4982341A (fr)
EP (1) EP0341128B1 (fr)
JP (1) JPH0213999A (fr)
AT (1) ATE83578T1 (fr)
CA (1) CA1312357C (fr)
DE (1) DE68903872T2 (fr)
ES (1) ES2036813T3 (fr)
FR (1) FR2631147B1 (fr)
GR (1) GR3007361T3 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408581A (en) * 1991-03-14 1995-04-18 Technology Research Association Of Medical And Welfare Apparatus Apparatus and method for speech signal processing
US5781913A (en) * 1991-07-18 1998-07-14 Felsenstein; Lee Wearable hypermedium system
EP0538536A1 (fr) * 1991-10-25 1993-04-28 International Business Machines Corporation Détection de la présence d'un signal de parole
US5323337A (en) * 1992-08-04 1994-06-21 Loral Aerospace Corp. Signal detector employing mean energy and variance of energy content comparison for noise detection
US5450484A (en) * 1993-03-01 1995-09-12 Dialogic Corporation Voice detection
DE69328356T2 (de) * 1993-04-29 2000-10-19 Ibm Signaltonerkennungsverfahren und -Apparat zum Erkennen zumindest eines Tones in einem Dualton-Multifrequenzsignal
EP0622964B1 (fr) * 1993-04-29 2002-03-20 International Business Machines Corporation Dispositif et procédé de détection de le présence d'un signal de parole
BE1007355A3 (nl) * 1993-07-26 1995-05-23 Philips Electronics Nv Spraaksignaaldiscriminatieschakeling alsmede een audio-inrichting voorzien van een dergelijke schakeling.
US5675639A (en) * 1994-10-12 1997-10-07 Intervoice Limited Partnership Voice/noise discriminator
US5701389A (en) * 1995-01-31 1997-12-23 Lucent Technologies, Inc. Window switching based on interblock and intrablock frequency band energy
US5822726A (en) * 1995-01-31 1998-10-13 Motorola, Inc. Speech presence detector based on sparse time-random signal samples
FR2738383B1 (fr) * 1995-09-05 1997-10-03 Thomson Csf Procede de quantification vectorielle de vocodeurs bas debit
US5884255A (en) * 1996-07-16 1999-03-16 Coherent Communications Systems Corp. Speech detection system employing multiple determinants
FR2778041A1 (fr) * 1998-04-24 1999-10-29 Thomson Csf Procede de neutrodynage du tube d'un emetteur
DE19854341A1 (de) 1998-11-25 2000-06-08 Alcatel Sa Verfahren und Schaltungsanordnung zur Sprachpegelmessung in einem Sprachsignalverarbeitungssystem
FR2788390B1 (fr) 1999-01-12 2003-05-30 Thomson Csf Emetteur de radiodiffusion en ondes courtes a haut rendement optimise pour les emissions de type numerique
US6249757B1 (en) 1999-02-16 2001-06-19 3Com Corporation System for detecting voice activity
FR2790343B1 (fr) 1999-02-26 2001-06-01 Thomson Csf Systeme pour l'estimation du gain complexe d'un canal de transmission
GB9912577D0 (en) * 1999-05-28 1999-07-28 Mitel Corp Method of detecting silence in a packetized voice stream
FR2797343B1 (fr) * 1999-08-04 2001-10-05 Matra Nortel Communications Procede et dispositif de detection d'activite vocale
FR2799592B1 (fr) 1999-10-12 2003-09-26 Thomson Csf Procede de construction et de codage simple et systematique de codes ldpc
DE10244699B4 (de) * 2002-09-24 2006-06-01 Voice Inter Connect Gmbh Verfahren zur Bestimmung der Sprachaktivität
US20060241937A1 (en) * 2005-04-21 2006-10-26 Ma Changxue C Method and apparatus for automatically discriminating information bearing audio segments and background noise audio segments
US9978392B2 (en) * 2016-09-09 2018-05-22 Tata Consultancy Services Limited Noisy signal identification from non-stationary audio signals

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466825A1 (fr) * 1979-09-28 1981-04-10 Thomson Csf Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif
DE3243231A1 (de) * 1982-11-23 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur erkennung von sprachpausen
EP0127718B1 (fr) * 1983-06-07 1987-03-18 International Business Machines Corporation Procédé de détection d'activité dans un système de transmission de la voix
US4700392A (en) * 1983-08-26 1987-10-13 Nec Corporation Speech signal detector having adaptive threshold values
EP0140249B1 (fr) * 1983-10-13 1988-08-10 Texas Instruments Incorporated Analyse et synthèse de la parole avec normalisation de l'énergie
EP0167364A1 (fr) * 1984-07-06 1986-01-08 AT&T Corp. Détection parole-silence avec codage par sous-bandes
US4920568A (en) * 1985-07-16 1990-04-24 Sharp Kabushiki Kaisha Method of distinguishing voice from noise
DE3545447A1 (de) * 1985-12-20 1988-01-28 Bayerische Motoren Werke Ag System zur integration eines personalcomputers oder eines aehnlichen rechners in ein fahrzeug zur benutzung als fahrbares buero
US4918732A (en) * 1986-01-06 1990-04-17 Motorola, Inc. Frame comparison method for word recognition in high noise environments
GB8608288D0 (en) * 1986-04-04 1986-05-08 Pa Consulting Services Noise compensation in speech recognition

Also Published As

Publication number Publication date
EP0341128B1 (fr) 1992-12-16
FR2631147A1 (fr) 1989-11-10
EP0341128A1 (fr) 1989-11-08
DE68903872D1 (de) 1993-01-28
CA1312357C (fr) 1993-01-05
DE68903872T2 (de) 1993-06-24
US4982341A (en) 1991-01-01
JPH0213999A (ja) 1990-01-18
ES2036813T3 (es) 1993-06-01
ATE83578T1 (de) 1993-01-15
GR3007361T3 (fr) 1993-07-30

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