CA1147071A - Methode et appareil de detection de paroles dans un signal de voie telephonique - Google Patents
Methode et appareil de detection de paroles dans un signal de voie telephoniqueInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract 14
- 238000012935 Averaging Methods 0.000 claims abstract 3
- 230000001419 dependent effect Effects 0.000 claims 3
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000004044 response Effects 0.000 claims 2
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000015654 memory Effects 0.000 claims 1
- 206010019133 Hangover Diseases 0.000 abstract 1
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000359968A CA1147071A (fr) | 1980-09-09 | 1980-09-09 | Methode et appareil de detection de paroles dans un signal de voie telephonique |
DE8181303695T DE3164171D1 (en) | 1980-09-09 | 1981-08-13 | Method and apparatus for detecting speech in a voice channel signal |
EP81303695A EP0047589B1 (fr) | 1980-09-09 | 1981-08-13 | Procédé et dispositif de détection de la parole sur une voie téléphonique |
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 (fr) | 1980-09-09 | 1980-09-09 | Methode et appareil de detection de paroles dans un signal de voie telephonique |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1147071A true CA1147071A (fr) | 1983-05-24 |
Family
ID=4117844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000359968A Expired CA1147071A (fr) | 1980-09-09 | 1980-09-09 | Methode et appareil de detection de paroles dans un signal de voie telephonique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0047589B1 (fr) |
JP (1) | JPS5781733A (fr) |
CA (1) | CA1147071A (fr) |
DE (1) | DE3164171D1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1137240A (fr) * | 1980-09-09 | 1982-12-07 | Northern Telecom Limited | Methode et appareil de detection d'echos dans les signaux de voies telephoniques |
DE3276731D1 (en) * | 1982-04-27 | 1987-08-13 | Philips Nv | 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)
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/fr not_active Expired
-
1981
- 1981-08-13 DE DE8181303695T patent/DE3164171D1/de not_active Expired
- 1981-08-13 EP EP81303695A patent/EP0047589B1/fr not_active Expired
- 1981-09-08 JP JP56140449A patent/JPS5781733A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5781733A (en) | 1982-05-21 |
EP0047589A1 (fr) | 1982-03-17 |
JPH0311139B2 (fr) | 1991-02-15 |
EP0047589B1 (fr) | 1984-06-13 |
DE3164171D1 (en) | 1984-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |