CA2118986C - Systeme de codage de paroles - Google Patents
Systeme de codage de parolesInfo
- Publication number
- CA2118986C CA2118986C CA002118986A CA2118986A CA2118986C CA 2118986 C CA2118986 C CA 2118986C CA 002118986 A CA002118986 A CA 002118986A CA 2118986 A CA2118986 A CA 2118986A CA 2118986 C CA2118986 C CA 2118986C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- excitation
- lpc coefficient
- subframe
- supplied
- 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 - Fee Related
Links
- 230000005284 excitation Effects 0.000 claims abstract description 64
- 230000003044 adaptive effect Effects 0.000 claims abstract description 57
- 230000003595 spectral effect Effects 0.000 claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 19
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 description 3
- 238000005311 autocorrelation function Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 101000622137 Homo sapiens P-selectin Proteins 0.000 description 1
- 102100023472 P-selectin Human genes 0.000 description 1
- 101000873420 Simian virus 40 SV40 early leader protein Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000006146 oximation reaction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002118986A CA2118986C (fr) | 1994-03-14 | 1994-03-14 | Systeme de codage de paroles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002118986A CA2118986C (fr) | 1994-03-14 | 1994-03-14 | Systeme de codage de paroles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2118986A1 CA2118986A1 (fr) | 1995-09-15 |
| CA2118986C true CA2118986C (fr) | 1998-09-22 |
Family
ID=4153165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002118986A Expired - Fee Related CA2118986C (fr) | 1994-03-14 | 1994-03-14 | Systeme de codage de paroles |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2118986C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE519563C2 (sv) * | 1998-09-16 | 2003-03-11 | Ericsson Telefon Ab L M | Förfarande och kodare för linjär prediktiv analys-genom- synteskodning |
-
1994
- 1994-03-14 CA CA002118986A patent/CA2118986C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2118986A1 (fr) | 1995-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5293449A (en) | Analysis-by-synthesis 2,4 kbps linear predictive speech codec | |
| EP0698877B1 (fr) | Postfiltre et procédé de postfiltrage | |
| EP0409239B1 (fr) | Procédé pour le codage et le décodage de la parole | |
| US5598504A (en) | Speech coding system to reduce distortion through signal overlap | |
| CA2202825C (fr) | Codeur vocal | |
| US5426718A (en) | Speech signal coding using correlation valves between subframes | |
| US5694426A (en) | Signal quantizer with reduced output fluctuation | |
| JPH06222798A (ja) | 音声信号を効率的に符号化するための方法及びこの方法を用いる符号器 | |
| KR100421648B1 (ko) | 음성코딩을 위한 적응성 표준 | |
| US5526464A (en) | Reducing search complexity for code-excited linear prediction (CELP) coding | |
| US6101464A (en) | Coding and decoding system for speech and musical sound | |
| CA2090205C (fr) | Systeme de codage de paroles | |
| JP3087591B2 (ja) | 音声符号化装置 | |
| EP0745972B1 (fr) | Procédé et dispositif de codage de parole | |
| CA2118986C (fr) | Systeme de codage de paroles | |
| JP2956068B2 (ja) | 音声符号化復号化方式 | |
| Tzeng | Analysis-by-synthesis linear predictive speech coding at 2.4 kbit/s | |
| JP4820954B2 (ja) | デジタル音声符号器における高調波ノイズ重み付け | |
| JP2658794B2 (ja) | 音声符号化方式 | |
| EP0658877A2 (fr) | Dispositif pour le codage de la parole | |
| JP3153075B2 (ja) | 音声符号化装置 | |
| JP3256215B2 (ja) | 音声符号化装置 | |
| JP3194930B2 (ja) | 音声符号化装置 | |
| JP3192051B2 (ja) | 音声符号化装置 | |
| Tseng | An analysis-by-synthesis linear predictive model for narrowband speech coding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |