FR2466825A1 - Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif - Google Patents

Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif Download PDF

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Publication number
FR2466825A1
FR2466825A1 FR7924227A FR7924227A FR2466825A1 FR 2466825 A1 FR2466825 A1 FR 2466825A1 FR 7924227 A FR7924227 A FR 7924227A FR 7924227 A FR7924227 A FR 7924227A FR 2466825 A1 FR2466825 A1 FR 2466825A1
Authority
FR
France
Prior art keywords
signal
input
threshold voltage
output
control
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.)
Granted
Application number
FR7924227A
Other languages
English (en)
French (fr)
Other versions
FR2466825B1 (enExample
Inventor
Francois Dumont
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
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7924227A priority Critical patent/FR2466825A1/fr
Priority to DE8080401319T priority patent/DE3064046D1/de
Priority to EP80401319A priority patent/EP0027066B1/fr
Priority to IL61137A priority patent/IL61137A0/xx
Priority to CA000360910A priority patent/CA1156762A/en
Priority to US06/190,894 priority patent/US4359604A/en
Priority to BR8006225A priority patent/BR8006225A/pt
Publication of FR2466825A1 publication Critical patent/FR2466825A1/fr
Application granted granted Critical
Publication of FR2466825B1 publication Critical patent/FR2466825B1/fr
Granted 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
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Noise Elimination (AREA)
FR7924227A 1979-09-28 1979-09-28 Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif Granted FR2466825A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7924227A FR2466825A1 (fr) 1979-09-28 1979-09-28 Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif
DE8080401319T DE3064046D1 (en) 1979-09-28 1980-09-16 Device for detecting speech signals and transmit-receive switching system comprising such a device
EP80401319A EP0027066B1 (fr) 1979-09-28 1980-09-16 Dispositif de détection de signaux vocaux et système d'alternat comportant un tel dispositif
IL61137A IL61137A0 (en) 1979-09-28 1980-09-24 Apparatus for the detection of voice signals
CA000360910A CA1156762A (en) 1979-09-28 1980-09-24 Apparatus for the detection of voice signals
US06/190,894 US4359604A (en) 1979-09-28 1980-09-25 Apparatus for the detection of voice signals
BR8006225A BR8006225A (pt) 1979-09-28 1980-09-26 Dispositivo de deteccao de sinais vocais e sistema de alteranto importante deste dispositivo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7924227A FR2466825A1 (fr) 1979-09-28 1979-09-28 Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2466825A1 true FR2466825A1 (fr) 1981-04-10
FR2466825B1 FR2466825B1 (enExample) 1981-09-11

Family

ID=9230131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924227A Granted FR2466825A1 (fr) 1979-09-28 1979-09-28 Dispositif de detection de signaux vocaux et systeme d'alternat comportant un tel dispositif

Country Status (7)

Country Link
US (1) US4359604A (enExample)
EP (1) EP0027066B1 (enExample)
BR (1) BR8006225A (enExample)
CA (1) CA1156762A (enExample)
DE (1) DE3064046D1 (enExample)
FR (1) FR2466825A1 (enExample)
IL (1) IL61137A0 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506379A (en) * 1980-04-21 1985-03-19 Bodysonic Kabushiki Kaisha Method and system for discriminating human voice signal
JPS5852695A (ja) * 1981-09-25 1983-03-28 日産自動車株式会社 車両用音声検出装置
DE3276731D1 (en) * 1982-04-27 1987-08-13 Philips Nv Speech analysis system
EP0092612B1 (en) * 1982-04-27 1987-07-08 Koninklijke Philips Electronics N.V. Speech analysis system
EP0140249B1 (en) * 1983-10-13 1988-08-10 Texas Instruments Incorporated Speech analysis/synthesis with energy normalization
US4920568A (en) * 1985-07-16 1990-04-24 Sharp Kabushiki Kaisha Method of distinguishing voice from noise
JPH0748695B2 (ja) * 1986-05-23 1995-05-24 株式会社日立製作所 音声符号化方式
FR2631147B1 (fr) * 1988-05-04 1991-02-08 Thomson Csf Procede et dispositif de detection de signaux vocaux
US5134658A (en) * 1990-09-27 1992-07-28 Advanced Micro Devices, Inc. Apparatus for discriminating information signals from noise signals in a communication signal
FR2677828B1 (fr) * 1991-06-14 1993-08-20 Sextant Avionique Procede de detection d'un signal utile bruite.
US5765130A (en) * 1996-05-21 1998-06-09 Applied Language Technologies, Inc. Method and apparatus for facilitating speech barge-in in connection with voice recognition systems
US5832440A (en) * 1996-06-10 1998-11-03 Dace Technology Trolling motor with remote-control system having both voice--command and manual modes
DE19827197A1 (de) * 1998-06-18 1999-12-23 Volkswagen Ag Verfahren und Einrichtung zur Beeinflussung der Lautstärke von Audiowiedergabegeräten in Kraftfahrzeugen
JP5229234B2 (ja) * 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
EP2107553B1 (en) 2008-03-31 2011-05-18 Harman Becker Automotive Systems GmbH Method for determining barge-in
CN101419795B (zh) * 2008-12-03 2011-04-06 北京志诚卓盛科技发展有限公司 音频信号检测方法及装置、以及辅助口语考试系统
US8731941B2 (en) 2011-08-29 2014-05-20 Zanavox Voice-activated measurement system
US8781821B2 (en) * 2012-04-30 2014-07-15 Zanavox Voiced interval command interpretation
US9002030B2 (en) 2012-05-01 2015-04-07 Audyssey Laboratories, Inc. System and method for performing voice activity detection
FR3064794B1 (fr) * 2017-03-28 2019-11-01 Continental Automotive France Systeme et procede de transmission d’un message oral dans un vehicule

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832491A (en) * 1973-02-13 1974-08-27 Communications Satellite Corp Digital voice switch with an adaptive digitally-controlled threshold

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712959A (en) * 1969-07-14 1973-01-23 Communications Satellite Corp Method and apparatus for detecting speech signals in the presence of noise
US4052568A (en) * 1976-04-23 1977-10-04 Communications Satellite Corporation Digital voice switch
FR2380612A1 (fr) * 1977-02-09 1978-09-08 Thomson Csf Dispositif de discrimination des signaux de parole et systeme d'alternat comportant un tel dispositif
US4187396A (en) * 1977-06-09 1980-02-05 Harris Corporation Voice detector circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832491A (en) * 1973-02-13 1974-08-27 Communications Satellite Corp Digital voice switch with an adaptive digitally-controlled threshold

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/68 *

Also Published As

Publication number Publication date
DE3064046D1 (en) 1983-08-11
IL61137A0 (en) 1980-11-30
FR2466825B1 (enExample) 1981-09-11
EP0027066A1 (fr) 1981-04-15
CA1156762A (en) 1983-11-08
US4359604A (en) 1982-11-16
BR8006225A (pt) 1981-04-07
EP0027066B1 (fr) 1983-07-06

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