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
- 238000012545 processing Methods 0.000 title abstract description 8
- 230000006835 compression Effects 0.000 title abstract description 5
- 238000007906 compression Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 claims description 32
- 238000005070 sampling Methods 0.000 claims description 15
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 8
- 230000015654 memory Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 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
- 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 DE DE8484901491T patent/DE3474873D1/de not_active Expired
- 1984-03-12 JP JP59501357A patent/JP2648138B2/ja not_active Expired - Lifetime
- 1984-03-12 EP EP19840901491 patent/EP0138954B1/fr not_active Expired
- 1984-03-12 WO PCT/US1984/000367 patent/WO1984004194A1/fr active IP Right Grant
- 1984-03-19 CA CA000449947A patent/CA1201533A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0138954B1 (fr) | 1988-10-26 |
| EP0138954A4 (fr) | 1985-11-07 |
| WO1984004194A1 (fr) | 1984-10-25 |
| JPS60501076A (ja) | 1985-07-11 |
| DE3474873D1 (en) | 1988-12-01 |
| EP0138954A1 (fr) | 1985-05-02 |
| JP2648138B2 (ja) | 1997-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |