EP1132894A3 - Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs - Google Patents
Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs Download PDFInfo
- Publication number
- EP1132894A3 EP1132894A3 EP01108523A EP01108523A EP1132894A3 EP 1132894 A3 EP1132894 A3 EP 1132894A3 EP 01108523 A EP01108523 A EP 01108523A EP 01108523 A EP01108523 A EP 01108523A EP 1132894 A3 EP1132894 A3 EP 1132894A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- vectors
- generation method
- vector
- codebook generation
- vector quantisation
- 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.)
- Granted
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
- G10L19/135—Vector sum excited linear prediction [VSELP]
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29473896 | 1996-11-07 | ||
JP29473896A JP4003240B2 (ja) | 1996-11-07 | 1996-11-07 | 音声符号化装置及び音声復号化装置 |
JP31032496A JP4006770B2 (ja) | 1996-11-21 | 1996-11-21 | ノイズ推定装置、ノイズ削減装置、ノイズ推定方法、及びノイズ削減方法 |
JP31032496 | 1996-11-21 | ||
JP03458397A JP3700310B2 (ja) | 1997-02-19 | 1997-02-19 | ベクトル量子化装置及びベクトル量子化方法 |
JP03458297A JP3174742B2 (ja) | 1997-02-19 | 1997-02-19 | Celp型音声復号化装置及びcelp型音声復号化方法 |
JP3458297 | 1997-02-19 | ||
JP3458397 | 1997-02-19 | ||
EP97911460A EP0883107B9 (de) | 1996-11-07 | 1997-11-06 | Schallquellengenerator, sprachkodierer und sprachdekodierer |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97911460A Division EP0883107B9 (de) | 1996-11-07 | 1997-11-06 | Schallquellengenerator, sprachkodierer und sprachdekodierer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1132894A2 EP1132894A2 (de) | 2001-09-12 |
EP1132894A3 true EP1132894A3 (de) | 2001-09-19 |
EP1132894B1 EP1132894B1 (de) | 2003-05-02 |
Family
ID=27514441
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01108523A Expired - Lifetime EP1132894B1 (de) | 1996-11-07 | 1997-11-06 | Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs |
EP00121467A Expired - Lifetime EP1071082B1 (de) | 1996-11-07 | 1997-11-06 | Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00121467A Expired - Lifetime EP1071082B1 (de) | 1996-11-07 | 1997-11-06 | Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs |
Country Status (1)
Country | Link |
---|---|
EP (2) | EP1132894B1 (de) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5293449A (en) * | 1990-11-23 | 1994-03-08 | Comsat Corporation | Analysis-by-synthesis 2,4 kbps linear predictive speech codec |
JP2956473B2 (ja) * | 1994-04-21 | 1999-10-04 | 日本電気株式会社 | ベクトル量子化装置 |
-
1997
- 1997-11-06 EP EP01108523A patent/EP1132894B1/de not_active Expired - Lifetime
- 1997-11-06 EP EP00121467A patent/EP1071082B1/de not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
KIM S J ET AL: "A COMPLEXITY REDUCTION METHOD FOR VSELP CODING USING OVERLAPPED SPARSE BASIS VECTORS", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING APPLICATIONS AND TECHNOLOGY, 18 October 1994 (1994-10-18), XP000866009 * |
SALAMI R ET AL: "REAL-TIME IMPLEMENTATION OF A 9.6 KBIT/S ACELP WIDEBAND SPEECH CODER", PROCEEDINGS OF THE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM),US,NEW YORK, IEEE, vol. -, 6 December 1992 (1992-12-06), pages 447 - 451, XP000357827, ISBN: 0-7803-0608-2 * |
Also Published As
Publication number | Publication date |
---|---|
EP1132894A2 (de) | 2001-09-12 |
EP1071082A2 (de) | 2001-01-24 |
EP1132894B1 (de) | 2003-05-02 |
EP1071082B1 (de) | 2002-05-08 |
EP1071082A3 (de) | 2001-01-31 |
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