DK0469997T3 - Fremgangsmåde til kodning og talekoder til analyse ved syntese - Google Patents
Fremgangsmåde til kodning og talekoder til analyse ved synteseInfo
- Publication number
- DK0469997T3 DK0469997T3 DK91402153.0T DK91402153T DK0469997T3 DK 0469997 T3 DK0469997 T3 DK 0469997T3 DK 91402153 T DK91402153 T DK 91402153T DK 0469997 T3 DK0469997 T3 DK 0469997T3
- Authority
- DK
- Denmark
- Prior art keywords
- signal
- term
- subjected
- frame
- word
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 4
- 238000003786 synthesis reaction Methods 0.000 title abstract 4
- 238000004458 analytical method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 abstract 4
- 230000003321 amplification Effects 0.000 abstract 2
- 230000005284 excitation Effects 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 230000001755 vocal effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 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
- 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
- G10L19/04—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 using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
- G10L2019/0014—Selection criteria for distances
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9009905A FR2665567B1 (fr) | 1990-08-02 | 1990-08-02 | Procede de codage et codeur de parole a analyse par prediction lineaire. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0469997T3 true DK0469997T3 (da) | 1996-12-09 |
Family
ID=9399367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK91402153.0T DK0469997T3 (da) | 1990-08-02 | 1991-07-31 | Fremgangsmåde til kodning og talekoder til analyse ved syntese |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0469997B1 (da) |
| DE (1) | DE69122006T2 (da) |
| DK (1) | DK0469997T3 (da) |
| ES (1) | ES2091890T3 (da) |
| FR (1) | FR2665567B1 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2042410B1 (es) * | 1992-04-15 | 1997-01-01 | Control Sys S A | Metodo de codificacion y codificador de voz para equipos y sistemas de comunicacion. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899385A (en) * | 1987-06-26 | 1990-02-06 | American Telephone And Telegraph Company | Code excited linear predictive vocoder |
-
1990
- 1990-08-02 FR FR9009905A patent/FR2665567B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-31 EP EP91402153A patent/EP0469997B1/fr not_active Expired - Lifetime
- 1991-07-31 ES ES91402153T patent/ES2091890T3/es not_active Expired - Lifetime
- 1991-07-31 DE DE69122006T patent/DE69122006T2/de not_active Expired - Fee Related
- 1991-07-31 DK DK91402153.0T patent/DK0469997T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| DE69122006T2 (de) | 1997-04-03 |
| FR2665567A1 (fr) | 1992-02-07 |
| FR2665567B1 (fr) | 1993-07-30 |
| ES2091890T3 (es) | 1996-11-16 |
| EP0469997B1 (fr) | 1996-09-11 |
| DE69122006D1 (de) | 1996-10-17 |
| EP0469997A1 (fr) | 1992-02-05 |
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