DE3164171D1 - Method and apparatus for detecting speech in a voice channel signal - Google Patents
Method and apparatus for detecting speech in a voice channel signalInfo
- Publication number
- DE3164171D1 DE3164171D1 DE8181303695T DE3164171T DE3164171D1 DE 3164171 D1 DE3164171 D1 DE 3164171D1 DE 8181303695 T DE8181303695 T DE 8181303695T DE 3164171 T DE3164171 T DE 3164171T DE 3164171 D1 DE3164171 D1 DE 3164171D1
- Authority
- DE
- Germany
- Prior art keywords
- channel signal
- voice channel
- detecting speech
- speech
- detecting
- 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
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)
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 |
---|---|
DE3164171D1 true DE3164171D1 (en) | 1984-07-19 |
Family
ID=4117844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181303695T Expired DE3164171D1 (en) | 1980-09-09 | 1981-08-13 | Method and apparatus for detecting speech in a voice channel signal |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0047589B1 (en) |
JP (1) | JPS5781733A (en) |
CA (1) | CA1147071A (en) |
DE (1) | DE3164171D1 (en) |
Families Citing this family (6)
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 (en) * | 1982-11-23 | 1984-05-24 | Philips Kommunikations Industrie AG, 8500 Nürnberg | METHOD FOR DETECTING VOICE BREAKS |
DE3473373D1 (en) * | 1983-10-13 | 1988-09-15 | Texas Instruments Inc | Speech analysis/synthesis with energy normalization |
JPS619700A (en) * | 1984-06-25 | 1986-01-17 | シャープ株式会社 | Voice feature extraction system |
GB2379148A (en) * | 2001-08-21 | 2003-02-26 | Mitel Knowledge Corp | Voice activity detection |
Family Cites Families (2)
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 |
-
1980
- 1980-09-09 CA CA000359968A patent/CA1147071A/en not_active Expired
-
1981
- 1981-08-13 DE DE8181303695T patent/DE3164171D1/en not_active Expired
- 1981-08-13 EP EP81303695A patent/EP0047589B1/en not_active Expired
- 1981-09-08 JP JP56140449A patent/JPS5781733A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0047589A1 (en) | 1982-03-17 |
JPS5781733A (en) | 1982-05-21 |
JPH0311139B2 (en) | 1991-02-15 |
CA1147071A (en) | 1983-05-24 |
EP0047589B1 (en) | 1984-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |