FR1537253A - Système de détection de la voix - Google Patents

Système de détection de la voix

Info

Publication number
FR1537253A
FR1537253A FR8659A FR06008659A FR1537253A FR 1537253 A FR1537253 A FR 1537253A FR 8659 A FR8659 A FR 8659A FR 06008659 A FR06008659 A FR 06008659A FR 1537253 A FR1537253 A FR 1537253A
Authority
FR
France
Prior art keywords
speech
energy
filters
rectified
summed
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
FR8659A
Other languages
English (en)
Inventor
John H King Jr
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1537253A publication Critical patent/FR1537253A/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
    • G10L15/00—Speech recognition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR8659A 1966-09-29 1967-08-17 Système de détection de la voix Expired FR1537253A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582912A US3509281A (en) 1966-09-29 1966-09-29 Voicing detection system

Publications (1)

Publication Number Publication Date
FR1537253A true FR1537253A (fr) 1968-07-15

Family

ID=24330949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8659A Expired FR1537253A (fr) 1966-09-29 1967-08-17 Système de détection de la voix

Country Status (4)

Country Link
US (1) US3509281A (fr)
DE (1) DE1572452A1 (fr)
FR (1) FR1537253A (fr)
GB (1) GB1139017A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860759A (en) * 1970-09-23 1975-01-14 California Inst Of Techn Seismic system with data compression
US4866777A (en) * 1984-11-09 1989-09-12 Alcatel Usa Corporation Apparatus for extracting features from a speech signal
IE61863B1 (en) * 1988-03-11 1994-11-30 British Telecomm Voice activity detection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2151091A (en) * 1935-10-30 1939-03-21 Bell Telephone Labor Inc Signal transmission
US3129287A (en) * 1961-03-20 1964-04-14 Ibm Specimen identification system
US3247322A (en) * 1962-12-27 1966-04-19 Allentown Res And Dev Company Apparatus for automatic spoken phoneme identification

Also Published As

Publication number Publication date
US3509281A (en) 1970-04-28
GB1139017A (en) 1969-01-08
DE1572452A1 (de) 1970-03-05

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