GB8630820D0 - Stochastic coder - Google Patents
Stochastic coderInfo
- Publication number
- GB8630820D0 GB8630820D0 GB868630820A GB8630820A GB8630820D0 GB 8630820 D0 GB8630820 D0 GB 8630820D0 GB 868630820 A GB868630820 A GB 868630820A GB 8630820 A GB8630820 A GB 8630820A GB 8630820 D0 GB8630820 D0 GB 8630820D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- stochastic
- coder
- stochastic coder
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L2019/0004—Design or structure of the codebook
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868630820A GB8630820D0 (en) | 1986-12-23 | 1986-12-23 | Stochastic coder |
GB08728816A GB2199215A (en) | 1986-12-23 | 1987-12-09 | A stochastic coder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868630820A GB8630820D0 (en) | 1986-12-23 | 1986-12-23 | Stochastic coder |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8630820D0 true GB8630820D0 (en) | 1987-02-04 |
Family
ID=10609544
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB868630820A Pending GB8630820D0 (en) | 1986-12-23 | 1986-12-23 | Stochastic coder |
GB08728816A Pending GB2199215A (en) | 1986-12-23 | 1987-12-09 | A stochastic coder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08728816A Pending GB2199215A (en) | 1986-12-23 | 1987-12-09 | A stochastic coder |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8630820D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2235354A (en) * | 1989-08-16 | 1991-02-27 | Philips Electronic Associated | Speech coding/encoding using celp |
DE69133296T2 (en) * | 1990-02-22 | 2004-01-29 | Nec Corp | speech |
US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
JP3196595B2 (en) * | 1995-09-27 | 2001-08-06 | 日本電気株式会社 | Audio coding device |
-
1986
- 1986-12-23 GB GB868630820A patent/GB8630820D0/en active Pending
-
1987
- 1987-12-09 GB GB08728816A patent/GB2199215A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2199215A (en) | 1988-06-29 |
GB8728816D0 (en) | 1988-01-27 |
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