FR2480978B1 - Procede et dispositif de discrimination d'un signal de voie humaine - Google Patents

Procede et dispositif de discrimination d'un signal de voie humaine

Info

Publication number
FR2480978B1
FR2480978B1 FR8107876A FR8107876A FR2480978B1 FR 2480978 B1 FR2480978 B1 FR 2480978B1 FR 8107876 A FR8107876 A FR 8107876A FR 8107876 A FR8107876 A FR 8107876A FR 2480978 B1 FR2480978 B1 FR 2480978B1
Authority
FR
France
Prior art keywords
discrimination
track signal
human track
human
signal
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
Application number
FR8107876A
Other languages
English (en)
Other versions
FR2480978A1 (fr
Inventor
Akira Komatsu
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.)
Bodysonic KK
Original Assignee
Bodysonic KK
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 claimed from JP1980054290U external-priority patent/JPS6137040Y2/ja
Priority claimed from JP5268280A external-priority patent/JPS56149097A/ja
Application filed by Bodysonic KK filed Critical Bodysonic KK
Publication of FR2480978A1 publication Critical patent/FR2480978A1/fr
Application granted granted Critical
Publication of FR2480978B1 publication Critical patent/FR2480978B1/fr
Expired 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility

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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR8107876A 1980-04-21 1981-04-21 Procede et dispositif de discrimination d'un signal de voie humaine Expired FR2480978B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1980054290U JPS6137040Y2 (fr) 1980-04-21 1980-04-21
JP5268280A JPS56149097A (en) 1980-04-21 1980-04-21 Human voice signal identifying method

Publications (2)

Publication Number Publication Date
FR2480978A1 FR2480978A1 (fr) 1981-10-23
FR2480978B1 true FR2480978B1 (fr) 1985-12-13

Family

ID=26393319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8107876A Expired FR2480978B1 (fr) 1980-04-21 1981-04-21 Procede et dispositif de discrimination d'un signal de voie humaine

Country Status (5)

Country Link
CA (1) CA1184506A (fr)
DE (1) DE3115801A1 (fr)
FR (1) FR2480978B1 (fr)
GB (2) GB2077078B (fr)
IT (1) IT1142404B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547690B1 (fr) * 1983-06-20 1985-12-06 Capel Raymond Dispositif electronique permettant de creer une ambiance lumineuse comparable au coucher du soleil
EP2254352A3 (fr) * 2003-03-03 2012-06-13 Phonak AG Procédé pour la fabrication des dispositifs acoustiques et pour la réduction des perturbations dues au vent

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102236A (en) * 1960-05-05 1963-08-27 Collins Radio Co Squelch circuit controlled by demodulated voice signal
US3377428A (en) * 1960-12-29 1968-04-09 Ibm Voiced sound detector circuits and systems
US3336533A (en) * 1964-03-13 1967-08-15 Motorola Inc Electronic circuit
GB1094357A (en) * 1964-12-09 1967-12-13 Mullard Ltd Improvements in or relating to speech filters
GB1120541A (en) * 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
US3513260A (en) * 1967-10-13 1970-05-19 Ibm Speech presence detector
FR2050782A5 (fr) * 1969-06-25 1971-04-02 Cit Alcatel
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point
US3798559A (en) * 1971-04-20 1974-03-19 Matsushita Electric Ind Co Ltd Noise reduction system
JPS5154703A (fr) * 1974-11-08 1976-05-14 Oki Electric Ind Co Ltd
US4051331A (en) * 1976-03-29 1977-09-27 Brigham Young University Speech coding hearing aid system utilizing formant frequency transformation
US4025721A (en) * 1976-05-04 1977-05-24 Biocommunications Research Corporation Method of and means for adaptively filtering near-stationary noise from speech
GB1591869A (en) * 1978-05-31 1981-06-24 Pye Elecronic Products Ltd Alternating signal detector

Also Published As

Publication number Publication date
GB8403418D0 (en) 1984-03-14
GB2143105A (en) 1985-01-30
IT8148303A0 (it) 1981-04-17
CA1184506A (fr) 1985-03-26
FR2480978A1 (fr) 1981-10-23
GB2143105B (en) 1985-07-24
GB2077078A (en) 1981-12-09
DE3115801A1 (de) 1982-01-14
DE3115801C2 (fr) 1987-09-03
GB2077078B (en) 1984-09-12
IT1142404B (it) 1986-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse