ES2052043T3 - Procedimiento de codificacion y codificador de palabra con prediccion lineal. - Google Patents
Procedimiento de codificacion y codificador de palabra con prediccion lineal.Info
- Publication number
- ES2052043T3 ES2052043T3 ES89401644T ES89401644T ES2052043T3 ES 2052043 T3 ES2052043 T3 ES 2052043T3 ES 89401644 T ES89401644 T ES 89401644T ES 89401644 T ES89401644 T ES 89401644T ES 2052043 T3 ES2052043 T3 ES 2052043T3
- Authority
- ES
- Spain
- Prior art keywords
- filter
- vectors
- vector
- voice signal
- subtraction
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000013598 vector Substances 0.000 abstract 6
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 230000005284 excitation Effects 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
- G10L19/113—Regular pulse excitation
-
- 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
- G10L2019/0003—Backward prediction of gain
-
- 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
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8807846A FR2632758B1 (fr) | 1988-06-13 | 1988-06-13 | Procede de codage et codeur de parole a prediction lineaire |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2052043T3 true ES2052043T3 (es) | 1994-07-01 |
Family
ID=9367205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89401644T Expired - Lifetime ES2052043T3 (es) | 1988-06-13 | 1989-06-13 | Procedimiento de codificacion y codificador de palabra con prediccion lineal. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0347307B1 (fr) |
DE (1) | DE68915057T2 (fr) |
ES (1) | ES2052043T3 (fr) |
FR (1) | FR2632758B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992011627A2 (fr) * | 1990-12-21 | 1992-07-09 | British Telecommunications Public Limited Company | Codage de signaux vocaux |
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. |
FR2720849B1 (fr) * | 1994-06-03 | 1996-08-14 | Matra Communication | Procédé et dispositif de prétraitement d'un signal acoustique en amont d'un codeur de parole. |
CN101615394B (zh) * | 2008-12-31 | 2011-02-16 | 华为技术有限公司 | 分配子帧的方法和装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1337217C (fr) * | 1987-08-28 | 1995-10-03 | Daniel Kenneth Freeman | Codage vocal |
-
1988
- 1988-06-13 FR FR8807846A patent/FR2632758B1/fr not_active Expired - Fee Related
-
1989
- 1989-06-13 DE DE68915057T patent/DE68915057T2/de not_active Expired - Fee Related
- 1989-06-13 ES ES89401644T patent/ES2052043T3/es not_active Expired - Lifetime
- 1989-06-13 EP EP89401644A patent/EP0347307B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0347307B1 (fr) | 1994-05-04 |
EP0347307A3 (en) | 1990-12-27 |
FR2632758B1 (fr) | 1991-06-07 |
DE68915057D1 (de) | 1994-06-09 |
DE68915057T2 (de) | 1994-08-18 |
EP0347307A2 (fr) | 1989-12-20 |
FR2632758A1 (fr) | 1989-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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