CA1147071A - Method of and apparatus for detecting speech in a voice channel signal - Google Patents

Method of and apparatus for detecting speech in a voice channel signal

Info

Publication number
CA1147071A
CA1147071A CA000359968A CA359968A CA1147071A CA 1147071 A CA1147071 A CA 1147071A CA 000359968 A CA000359968 A CA 000359968A CA 359968 A CA359968 A CA 359968A CA 1147071 A CA1147071 A CA 1147071A
Authority
CA
Canada
Prior art keywords
sample
magnitude
signal
speech
respect
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
CA000359968A
Other languages
English (en)
French (fr)
Inventor
Fouad Daaboul
Tiu Le Van
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.)
Nortel Networks Corp
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA000359968A priority Critical patent/CA1147071A/en
Priority to DE8181303695T priority patent/DE3164171D1/de
Priority to EP81303695A priority patent/EP0047589B1/en
Priority to JP56140449A priority patent/JPS5781733A/ja
Application granted granted Critical
Publication of CA1147071A publication Critical patent/CA1147071A/en
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

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)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA000359968A 1980-09-09 1980-09-09 Method of and apparatus for detecting speech in a voice channel signal Expired CA1147071A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA000359968A CA1147071A (en) 1980-09-09 1980-09-09 Method of and apparatus for detecting speech in a voice channel signal
DE8181303695T DE3164171D1 (en) 1980-09-09 1981-08-13 Method and apparatus for detecting speech in a voice channel signal
EP81303695A EP0047589B1 (en) 1980-09-09 1981-08-13 Method and apparatus for detecting speech in a voice channel signal
JP56140449A JPS5781733A (en) 1980-09-09 1981-09-08 Method and means for detecting voice in voice channel signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000359968A CA1147071A (en) 1980-09-09 1980-09-09 Method of and apparatus for detecting speech in a voice channel signal

Publications (1)

Publication Number Publication Date
CA1147071A true CA1147071A (en) 1983-05-24

Family

ID=4117844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000359968A Expired CA1147071A (en) 1980-09-09 1980-09-09 Method of and apparatus for detecting speech in a voice channel signal

Country Status (4)

Country Link
EP (1) EP0047589B1 (enrdf_load_stackoverflow)
JP (1) JPS5781733A (enrdf_load_stackoverflow)
CA (1) CA1147071A (enrdf_load_stackoverflow)
DE (1) DE3164171D1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1137240A (en) * 1980-09-09 1982-12-07 Northern Telecom Limited Method of and apparatus for echo detection in voice channel signals
EP0092611B1 (en) * 1982-04-27 1987-07-08 Koninklijke Philips Electronics N.V. Speech analysis system
DE3243231A1 (de) * 1982-11-23 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur erkennung von sprachpausen
DE3473373D1 (en) * 1983-10-13 1988-09-15 Texas Instruments Inc Speech analysis/synthesis with energy normalization
JPS619700A (ja) * 1984-06-25 1986-01-17 シャープ株式会社 音声の特徴抽出方式
GB2379148A (en) * 2001-08-21 2003-02-26 Mitel Knowledge Corp Voice activity detection

Family Cites Families (2)

* 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

Also Published As

Publication number Publication date
JPH0311139B2 (enrdf_load_stackoverflow) 1991-02-15
EP0047589A1 (en) 1982-03-17
EP0047589B1 (en) 1984-06-13
DE3164171D1 (en) 1984-07-19
JPS5781733A (en) 1982-05-21

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