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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4357491A (en) | Method of and apparatus for detecting speech in a voice channel signal | |
| FI92113C (fi) | Puheprosessori ja soluradiopääte | |
| US4028496A (en) | Digital speech detector | |
| US4052568A (en) | Digital voice switch | |
| US5617508A (en) | Speech detection device for the detection of speech end points based on variance of frequency band limited energy | |
| KR890702356A (ko) | 잡음 억제 시스템 | |
| US4410763A (en) | Speech detector | |
| CA1335003C (fr) | Detection de l'activite vocale | |
| US4455676A (en) | Speech processing system including an amplitude level control circuit for digital processing | |
| NO146521B (no) | Fremgangsmaate og innretning for detektering av naervaer eller fravaer av et talesignal paa en talekanal | |
| RU96102854A (ru) | Способ и устройство ослабления шума в речевом сигнале | |
| KR20000023823A (ko) | 다중 행렬식을 채용하는 음성검출 시스템 | |
| KR930007298B1 (ko) | 펄스형 간섭 검출장치 | |
| EP0957660A3 (fr) | Traitement et reproduction de signaux audio | |
| CA1147071A (fr) | Methode et appareil de detection de paroles dans un signal de voie telephonique | |
| CA1137240A (fr) | Methode et appareil de detection d'echos dans les signaux de voies telephoniques | |
| DE69132081D1 (de) | Unterscheidung zwischen Information und Geräusch in einem Kommunikationssignal | |
| US4314100A (en) | Data detection circuit for a TASI system | |
| JPS6314529B2 (fr) | ||
| SU1674226A1 (ru) | Способ обнаружени речевых сигналов и их границ и устройство дл его осуществлени | |
| JP2807457B2 (ja) | 音声区間検出方式 | |
| JPS6058707A (ja) | 自動利得制御回路 | |
| SU1075440A1 (ru) | Шумоподавитель | |
| SU1494228A1 (ru) | Устройство дл оценки отношени сигнал/помеха | |
| SU1597898A2 (ru) | Способ обнаружени границ слов и устройство дл его осуществлени |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |