CA2355975C - Generatrice a traitement vectoriel excite, voix coder/decoder - Google Patents
Generatrice a traitement vectoriel excite, voix coder/decoder Download PDFInfo
- Publication number
- CA2355975C CA2355975C CA002355975A CA2355975A CA2355975C CA 2355975 C CA2355975 C CA 2355975C CA 002355975 A CA002355975 A CA 002355975A CA 2355975 A CA2355975 A CA 2355975A CA 2355975 C CA2355975 C CA 2355975C
- Authority
- CA
- Canada
- Prior art keywords
- vector
- fixed
- excitation
- section
- random
- 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
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Une section de lecture aléatoire de vecteur de code et un livre de code aléatoire d'un codeur/décodeur de voix conventionnel de type CELP remplacés respectivement par un oscillateur pour la sortie de différents flux vectoriels conformément aux valeurs d'initiateurs d'entrée, et une section de stockage des initiateurs pour stocker une pluralité d'initiateurs. Cela rend inutile de stocker des vecteurs fixes comme dans un livre de codes fixe (ROM), réduisant ainsi considérablement la capacité de la mémoire.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8-294738 | 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 |
JP8-310324 | 1996-11-21 | ||
JP9-34582 | 1997-02-19 | ||
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 |
JP9-34583 | 1997-02-19 | ||
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 |
CA002242345A CA2242345C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002242345A Division CA2242345C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2355975A1 CA2355975A1 (fr) | 1998-05-14 |
CA2355975C true CA2355975C (fr) | 2003-09-09 |
Family
ID=27508655
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002356049A Expired - Lifetime CA2356049C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002355973A Expired - Lifetime CA2355973C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, codeur et decodeur de la voix |
CA002356041A Expired - Lifetime CA2356041C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002355975A Expired - Lifetime CA2355975C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002355978A Expired - Lifetime CA2355978C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002356051A Expired - Lifetime CA2356051C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, codeur/decodeur de la voix |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002356049A Expired - Lifetime CA2356049C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002355973A Expired - Lifetime CA2355973C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, codeur et decodeur de la voix |
CA002356041A Expired - Lifetime CA2356041C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002355978A Expired - Lifetime CA2355978C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, voix coder/decoder |
CA002356051A Expired - Lifetime CA2356051C (fr) | 1996-11-07 | 1997-11-06 | Generatrice a traitement vectoriel excite, codeur/decodeur de la voix |
Country Status (1)
Country | Link |
---|---|
CA (6) | CA2356049C (fr) |
-
1997
- 1997-11-06 CA CA002356049A patent/CA2356049C/fr not_active Expired - Lifetime
- 1997-11-06 CA CA002355973A patent/CA2355973C/fr not_active Expired - Lifetime
- 1997-11-06 CA CA002356041A patent/CA2356041C/fr not_active Expired - Lifetime
- 1997-11-06 CA CA002355975A patent/CA2355975C/fr not_active Expired - Lifetime
- 1997-11-06 CA CA002355978A patent/CA2355978C/fr not_active Expired - Lifetime
- 1997-11-06 CA CA002356051A patent/CA2356051C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2356051C (fr) | 2003-07-29 |
CA2356041C (fr) | 2003-07-29 |
CA2355978C (fr) | 2009-01-20 |
CA2356051A1 (fr) | 1998-05-14 |
CA2355978A1 (fr) | 1998-05-14 |
CA2356041A1 (fr) | 1998-05-14 |
CA2356049C (fr) | 2003-07-15 |
CA2356049A1 (fr) | 1998-05-14 |
CA2355975A1 (fr) | 1998-05-14 |
CA2355973A1 (fr) | 1998-05-14 |
CA2355973C (fr) | 2003-07-22 |
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CA2355975C (fr) | Generatrice a traitement vectoriel excite, voix coder/decoder | |
CA2551458C (fr) | Appareil de quantification vectorielle | |
EP1132894B1 (fr) | Procédé de production d'une table de codes de quantification vectorielle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20171106 |
|
MKEX | Expiry |
Effective date: 20171106 |