CA2050979C - Method for coding an analog signal having a repetitive nature and a device for coding by said method - Google Patents
Method for coding an analog signal having a repetitive nature and a device for coding by said methodInfo
- Publication number
- CA2050979C CA2050979C CA002050979A CA2050979A CA2050979C CA 2050979 C CA2050979 C CA 2050979C CA 002050979 A CA002050979 A CA 002050979A CA 2050979 A CA2050979 A CA 2050979A CA 2050979 C CA2050979 C CA 2050979C
- Authority
- CA
- Canada
- Prior art keywords
- segment
- samples
- coded
- subsegment
- signal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000003252 repetitive effect Effects 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims description 18
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000007792 addition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Analogue/Digital Conversion (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9001985 | 1990-09-10 | ||
| NL9001985A NL9001985A (nl) | 1990-09-10 | 1990-09-10 | Werkwijze voor het coderen van een analoog signaal met een herhalend karakter en een inrichting voor het volgens deze werkwijze coderen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2050979A1 CA2050979A1 (en) | 1992-03-11 |
| CA2050979C true CA2050979C (en) | 1996-05-21 |
Family
ID=19857655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002050979A Expired - Lifetime CA2050979C (en) | 1990-09-10 | 1991-09-09 | Method for coding an analog signal having a repetitive nature and a device for coding by said method |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0475520B1 (no) |
| JP (1) | JP2640595B2 (no) |
| AT (1) | ATE137354T1 (no) |
| CA (1) | CA2050979C (no) |
| DE (1) | DE69119005T2 (no) |
| DK (1) | DK0475520T3 (no) |
| ES (1) | ES2089113T3 (no) |
| FI (1) | FI105624B (no) |
| NL (1) | NL9001985A (no) |
| NO (1) | NO302549B1 (no) |
| PT (1) | PT98900B (no) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI116992B (fi) | 1999-07-05 | 2006-04-28 | Nokia Corp | Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi |
| US7388201B2 (en) | 2005-05-13 | 2008-06-17 | National University Of Singapore | Radiation detector having coated nanostructure and method |
| CN117176177B (zh) * | 2023-11-03 | 2024-02-06 | 金乡县林业保护和发展服务中心(金乡县湿地保护中心、金乡县野生动植物保护中心、金乡县国有白洼林场) | 一种用于林业信息的数据共享方法及系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5648688A (en) * | 1979-09-28 | 1981-05-01 | Hitachi Ltd | Sound analyser |
| ES2037101T3 (es) * | 1987-03-05 | 1993-06-16 | International Business Machines Corporation | Procedimiento de deteccion de tono y codificador de voz que utiliza dicho procedimiento. |
-
1990
- 1990-09-10 NL NL9001985A patent/NL9001985A/nl not_active Application Discontinuation
-
1991
- 1991-09-03 NO NO913448A patent/NO302549B1/no not_active IP Right Cessation
- 1991-09-06 ES ES91202274T patent/ES2089113T3/es not_active Expired - Lifetime
- 1991-09-06 DK DK91202274.6T patent/DK0475520T3/da active
- 1991-09-06 EP EP91202274A patent/EP0475520B1/en not_active Expired - Lifetime
- 1991-09-06 DE DE69119005T patent/DE69119005T2/de not_active Expired - Lifetime
- 1991-09-06 AT AT91202274T patent/ATE137354T1/de not_active IP Right Cessation
- 1991-09-09 CA CA002050979A patent/CA2050979C/en not_active Expired - Lifetime
- 1991-09-09 PT PT98900A patent/PT98900B/pt not_active IP Right Cessation
- 1991-09-10 JP JP3307267A patent/JP2640595B2/ja not_active Expired - Lifetime
- 1991-09-10 FI FI914261A patent/FI105624B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69119005T2 (de) | 1996-11-28 |
| ES2089113T3 (es) | 1996-10-01 |
| DE69119005D1 (de) | 1996-05-30 |
| FI914261A (fi) | 1992-03-11 |
| JPH05206955A (ja) | 1993-08-13 |
| PT98900A (pt) | 1994-01-31 |
| CA2050979A1 (en) | 1992-03-11 |
| EP0475520A2 (en) | 1992-03-18 |
| EP0475520A3 (en) | 1992-09-30 |
| FI914261A0 (fi) | 1991-09-10 |
| EP0475520B1 (en) | 1996-04-24 |
| NO913448D0 (no) | 1991-09-03 |
| PT98900B (pt) | 1999-02-26 |
| NL9001985A (nl) | 1992-04-01 |
| JP2640595B2 (ja) | 1997-08-13 |
| DK0475520T3 (da) | 1996-09-02 |
| ATE137354T1 (de) | 1996-05-15 |
| NO913448L (no) | 1992-03-11 |
| FI105624B (fi) | 2000-09-15 |
| NO302549B1 (no) | 1998-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1312662C (zh) | 通过降低前噪声改善音频编码系统的瞬时性能的方法 | |
| US5371853A (en) | Method and system for CELP speech coding and codebook for use therewith | |
| KR100209454B1 (ko) | 부호화 장치 | |
| CA2344523C (en) | Multi-channel signal encoding and decoding | |
| CA2023167C (en) | Speech coding system and a method of encoding speech | |
| AU653969B2 (en) | A method of, system for, coding analogue signals | |
| EP1019907B1 (en) | Speech coding | |
| RU2005137320A (ru) | Способ и устройство для квантования усиления в широкополосном речевом кодировании с переменной битовой скоростью передачи | |
| KR101067514B1 (ko) | 버퍼 조정을 이용하는 예측 코딩 데이터의 디코딩 | |
| JP6978425B2 (ja) | 時間的不一致信号のオーディオ処理 | |
| US5179594A (en) | Efficient calculation of autocorrelation coefficients for CELP vocoder adaptive codebook | |
| JP3062226B2 (ja) | 条件付き確率的励起符号化法 | |
| JPH04270398A (ja) | 音声符号化方式 | |
| MXPA03010360A (es) | Metodo de codificacion de voz de analisis por sintesis generalizado y codificador que implementa el metodo. | |
| US5227990A (en) | Process for transmitting and receiving a signal | |
| CA2166138C (en) | A celp-type speech encoder having an improved long-term predictor | |
| CA2050979C (en) | Method for coding an analog signal having a repetitive nature and a device for coding by said method | |
| KR19990007818A (ko) | 복잡성이 감소된 신호 전송 시스템 | |
| EP0602826B1 (en) | Time shifting for analysis-by-synthesis coding | |
| AU714555B2 (en) | Coding/decoding a sampled speech signal | |
| US5561609A (en) | Transmission system with reconstruction of missing signal samples | |
| US5528629A (en) | Method and device for coding an analog signal having a repetitive nature utilizing over sampling to simplify coding | |
| US4962536A (en) | Multi-pulse voice encoder with pitch prediction in a cross-correlation domain | |
| KR100329876B1 (ko) | 의사주기신호용전송시스템 | |
| CA2246901C (en) | A method for improving performance of a voice coder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |