CA1201533A - Traitement des spectres vocaux utilisant la compression - Google Patents
Traitement des spectres vocaux utilisant la compressionInfo
- Publication number
- CA1201533A CA1201533A CA000449947A CA449947A CA1201533A CA 1201533 A CA1201533 A CA 1201533A CA 000449947 A CA000449947 A CA 000449947A CA 449947 A CA449947 A CA 449947A CA 1201533 A CA1201533 A CA 1201533A
- Authority
- CA
- Canada
- Prior art keywords
- speech
- signals
- signal
- representative
- event
- 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
- 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
- G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
-
- 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
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48423183A | 1983-04-12 | 1983-04-12 | |
| US484,231 | 1983-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1201533A true CA1201533A (fr) | 1986-03-04 |
Family
ID=23923295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000449947A Expired CA1201533A (fr) | 1983-04-12 | 1984-03-19 | Traitement des spectres vocaux utilisant la compression |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0138954B1 (fr) |
| JP (1) | JP2648138B2 (fr) |
| CA (1) | CA1201533A (fr) |
| DE (1) | DE3474873D1 (fr) |
| WO (1) | WO1984004194A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8503304A (nl) * | 1985-11-29 | 1987-06-16 | Philips Nv | Werkwijze en inrichting voor het segmenteren van een uit een akoestisch signaal, bij voorbeeld een spraaksignaal, afgeleid elektrisch signaal. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3598921A (en) * | 1969-04-04 | 1971-08-10 | Nasa | Method and apparatus for data compression by a decreasing slope threshold test |
| US3715512A (en) * | 1971-12-20 | 1973-02-06 | Bell Telephone Labor Inc | Adaptive predictive speech signal coding system |
| JPS595916B2 (ja) * | 1975-02-13 | 1984-02-07 | 日本電気株式会社 | 音声分折合成装置 |
| JPS5326761A (en) * | 1976-08-26 | 1978-03-13 | Babcock Hitachi Kk | Injecting device for reducing agent for nox |
| US4280192A (en) * | 1977-01-07 | 1981-07-21 | Moll Edward W | Minimum space digital storage of analog information |
| FR2412987A1 (fr) * | 1977-12-23 | 1979-07-20 | Ibm France | Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede |
-
1984
- 1984-03-12 EP EP19840901491 patent/EP0138954B1/fr not_active Expired
- 1984-03-12 DE DE8484901491T patent/DE3474873D1/de not_active Expired
- 1984-03-12 WO PCT/US1984/000367 patent/WO1984004194A1/fr not_active Ceased
- 1984-03-12 JP JP59501357A patent/JP2648138B2/ja not_active Expired - Lifetime
- 1984-03-19 CA CA000449947A patent/CA1201533A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60501076A (ja) | 1985-07-11 |
| JP2648138B2 (ja) | 1997-08-27 |
| EP0138954A1 (fr) | 1985-05-02 |
| EP0138954A4 (fr) | 1985-11-07 |
| WO1984004194A1 (fr) | 1984-10-25 |
| EP0138954B1 (fr) | 1988-10-26 |
| DE3474873D1 (en) | 1988-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Schroeder et al. | Code-excited linear prediction (CELP): High-quality speech at very low bit rates | |
| KR100427753B1 (ko) | 음성신호재생방법및장치,음성복호화방법및장치,음성합성방법및장치와휴대용무선단말장치 | |
| US4868867A (en) | Vector excitation speech or audio coder for transmission or storage | |
| CA1222568A (fr) | Dispositif multipulse de traitement de la parole a codage predictif lineaire | |
| US4709390A (en) | Speech message code modifying arrangement | |
| US5018200A (en) | Communication system capable of improving a speech quality by classifying speech signals | |
| US6006174A (en) | Multiple impulse excitation speech encoder and decoder | |
| US4704730A (en) | Multi-state speech encoder and decoder | |
| USRE43099E1 (en) | Speech coder methods and systems | |
| EP0342687B1 (fr) | Système de transmission de parole codée comportant des dictionnaires de codes pour la synthése des composantes de faible amplitude | |
| JPS6046440B2 (ja) | 音声処理方法とその装置 | |
| WO1991013432A1 (fr) | Manuel de codage dynamique pour une articulation efficace, avec codage base sur des codes algebriques | |
| EP0232456A1 (fr) | Processeur numérique de la parole utilisant un codage d'excitation arbitraire | |
| KR100204740B1 (ko) | 정보 코딩 방법 | |
| AU669788B2 (en) | Method for generating a spectral noise weighting filter for use in a speech coder | |
| US4764963A (en) | Speech pattern compression arrangement utilizing speech event identification | |
| Robinson | Speech analysis | |
| JPH10105195A (ja) | ピッチ検出方法、音声信号符号化方法および装置 | |
| Schroeder et al. | Stochastic coding of speech signals at very low bit rates: The importance of speech perception | |
| US5235670A (en) | Multiple impulse excitation speech encoder and decoder | |
| JP2000132193A (ja) | 信号符号化装置及び方法、並びに信号復号装置及び方法 | |
| EP0138954B1 (fr) | Traitement de configurations de la parole utilisant un procede de compression de configurations de la parole | |
| WO2004088634A1 (fr) | Dispositif de compression de signal vocal. procede de compression de signal vocal et programme | |
| JP3166673B2 (ja) | ボコーダ符号化復号装置 | |
| JPH0480400B2 (fr) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |