CA2520127C - Processeur de normalisation de blocs - Google Patents
Processeur de normalisation de blocs Download PDFInfo
- Publication number
- CA2520127C CA2520127C CA2520127A CA2520127A CA2520127C CA 2520127 C CA2520127 C CA 2520127C CA 2520127 A CA2520127 A CA 2520127A CA 2520127 A CA2520127 A CA 2520127A CA 2520127 C CA2520127 C CA 2520127C
- Authority
- CA
- Canada
- Prior art keywords
- value
- values
- block
- codebook
- pitch
- 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
- Tests Of Electronic Circuits (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
- Complex Calculations (AREA)
- Executing Machine-Instructions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/197,417 US5784532A (en) | 1994-02-16 | 1994-02-16 | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
US197,417 | 1994-02-16 | ||
CA002158660A CA2158660C (fr) | 1994-02-16 | 1995-02-13 | Vocodeur asic |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002158660A Division CA2158660C (fr) | 1994-02-16 | 1995-02-13 | Vocodeur asic |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2520127A1 CA2520127A1 (fr) | 1995-08-24 |
CA2520127C true CA2520127C (fr) | 2010-07-27 |
Family
ID=35452256
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2520421A Expired - Lifetime CA2520421C (fr) | 1994-02-16 | 1995-02-13 | Vocodeur asic |
CA2520127A Expired - Lifetime CA2520127C (fr) | 1994-02-16 | 1995-02-13 | Processeur de normalisation de blocs |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2520421A Expired - Lifetime CA2520421C (fr) | 1994-02-16 | 1995-02-13 | Vocodeur asic |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2520421C (fr) |
-
1995
- 1995-02-13 CA CA2520421A patent/CA2520421C/fr not_active Expired - Lifetime
- 1995-02-13 CA CA2520127A patent/CA2520127C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2520421C (fr) | 2011-02-08 |
CA2520421A1 (fr) | 1995-08-24 |
CA2520127A1 (fr) | 1995-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0758123B1 (fr) | Circuit bouchon pour la normalisation | |
EP0673018B1 (fr) | Génération des coefficients de prédiction linéaire en cas d'effacement des trames de données ou de perte des paquets de données | |
EP0673017B1 (fr) | Synthèse de signal d'excitation en cas d'effacement des trames ou de perte des paquets de données | |
AU683127B2 (en) | Linear prediction coefficient generation during frame erasure or packet loss | |
CA2061830C (fr) | Systeme de codage de paroles | |
US6314393B1 (en) | Parallel/pipeline VLSI architecture for a low-delay CELP coder/decoder | |
CA2142391C (fr) | Reduction de la complexite des calculs durant l'effacement des trames ou les pertes de paquets | |
Chen et al. | A fixed-point 16 kb/s LD-CELP algorithm | |
US5924063A (en) | Celp-type speech encoder having an improved long-term predictor | |
CA2520127C (fr) | Processeur de normalisation de blocs | |
AU725711B2 (en) | Block normalisation processor | |
Lee et al. | Cost-effective implementation of ITU-T G. 723.1 on a DSP chip | |
JP3073013B2 (ja) | サンプリングされた音声信号ベクトルのコーディングの方法 | |
Fältman et al. | A hardware implementation of an MP3 decoder | |
Banerjee et al. | Optimizations of ITU G. 729 speech codec | |
Suddle et al. | DSP implementation of low bit-rate CELP based speech orders | |
Fettweis et al. | Strategies in a cost-effective implementation of the PDC half-rate codec for wireless communications | |
Chang et al. | Real-Time Implementation of G. 723.1 Speech Codec on a 16-bit DSP Processor | |
Byun et al. | Implementation of 13 kbps QCELP vocoder ASIC | |
Lee | Implementation of linear predictive speech coding in fixed-point arithmetic | |
Prasad et al. | Half-rate GSM vocoder implementation on a dual Mac digital signal processor | |
KR100283087B1 (ko) | 음성 및 톤 부호화 방법 | |
Grassi et al. | A Low-Complexity Variable Bit Rate Speech Coder for Portable Storage Applications | |
Schuler | A custom VLSI architecture for implementing low-delay analysis-by-synthesis speech coding algorithms | |
Wu et al. | An implementation of a high quality vocoder on TMS320VC33 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20150213 |