GR900300170T1 - Method of and device for speech signal coding and decoding by means of a multipulse excitation - Google Patents
Method of and device for speech signal coding and decoding by means of a multipulse excitationInfo
- Publication number
- GR900300170T1 GR900300170T1 GR90300170T GR900300170T GR900300170T1 GR 900300170 T1 GR900300170 T1 GR 900300170T1 GR 90300170 T GR90300170 T GR 90300170T GR 900300170 T GR900300170 T GR 900300170T GR 900300170 T1 GR900300170 T1 GR 900300170T1
- Authority
- GR
- Greece
- Prior art keywords
- decoding
- synthesis
- speech signal
- signal coding
- excitation
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 230000005284 excitation Effects 0.000 title abstract 4
- 238000003786 synthesis reaction Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT67868/88A IT1224453B (it) | 1988-09-28 | 1988-09-28 | Procedimento e dispositivo per la codifica decodifica di segnali vocali con l'impiego di un eccitazione a impulsi multipli |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR900300170T1 true GR900300170T1 (en) | 1991-09-27 |
Family
ID=11305936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR90300170T GR900300170T1 (en) | 1988-09-28 | 1991-09-27 | Method of and device for speech signal coding and decoding by means of a multipulse excitation |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0361432B1 (de) |
| AT (1) | ATE110180T1 (de) |
| DE (2) | DE68917552T2 (de) |
| ES (1) | ES2017906T3 (de) |
| GR (1) | GR900300170T1 (de) |
| IT (1) | IT1224453B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0910064B1 (de) * | 1991-02-26 | 2002-12-18 | Nec Corporation | Sprachparameterkodierungsvorrichtung |
| FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
| ES2042410B1 (es) * | 1992-04-15 | 1997-01-01 | Control Sys S A | Metodo de codificacion y codificador de voz para equipos y sistemas de comunicacion. |
| FI95086C (fi) * | 1992-11-26 | 1995-12-11 | Nokia Mobile Phones Ltd | Menetelmä puhesignaalin tehokkaaksi koodaamiseksi |
| FI96248C (fi) * | 1993-05-06 | 1996-05-27 | Nokia Mobile Phones Ltd | Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin |
| GB9408037D0 (en) * | 1994-04-22 | 1994-06-15 | Philips Electronics Uk Ltd | Analogue signal coder |
-
1988
- 1988-09-28 IT IT67868/88A patent/IT1224453B/it active
-
1989
- 1989-09-27 DE DE68917552T patent/DE68917552T2/de not_active Expired - Fee Related
- 1989-09-27 AT AT89117837T patent/ATE110180T1/de active
- 1989-09-27 EP EP89117837A patent/EP0361432B1/de not_active Expired - Lifetime
- 1989-09-27 ES ES89117837T patent/ES2017906T3/es not_active Expired - Lifetime
- 1989-09-27 DE DE198989117837T patent/DE361432T1/de active Pending
-
1991
- 1991-09-27 GR GR90300170T patent/GR900300170T1/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0361432B1 (de) | 1994-08-17 |
| IT8867868A0 (it) | 1988-09-28 |
| ATE110180T1 (de) | 1994-09-15 |
| ES2017906T3 (es) | 1994-10-16 |
| EP0361432A2 (de) | 1990-04-04 |
| DE68917552D1 (de) | 1994-09-22 |
| EP0361432A3 (en) | 1990-09-26 |
| DE361432T1 (de) | 1991-03-21 |
| DE68917552T2 (de) | 1995-01-12 |
| IT1224453B (it) | 1990-10-04 |
| ES2017906A4 (es) | 1991-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI956107A0 (fi) | Menetelmä puhetta sisältävän signaalin koodaamiseksi | |
| CA2179228A1 (en) | Method and apparatus for reproducing speech signals and method for transmitting same | |
| CA2021602A1 (en) | Method for improving speech quality in code excited linear predictive speech coding | |
| EP1164578A3 (de) | Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung | |
| JPS6413199A (en) | Inprovement in method for compression of speed digitally coded speech or audio signal | |
| DE68911287T2 (de) | Codierer/decodierer. | |
| AU7825487A (en) | Digital speech vocoder | |
| NO933535D0 (no) | Tids/frekvensinterpolasjon, saerlig for relativt langsom talekoding | |
| TW326070B (en) | The estimation method of the impulse gain for coding vocoder | |
| MY121083A (en) | Celp encoding/decoding method and apparatus | |
| GR900300170T1 (en) | Method of and device for speech signal coding and decoding by means of a multipulse excitation | |
| CA2006487A1 (en) | Communication system capable of improving a speech quality by effectively calculating excitation multipulses | |
| CA2016042A1 (en) | System for coding wide-bank audio signals | |
| CA2315324A1 (en) | Speech signal decoding method and apparatus | |
| SG44013A1 (en) | Adaptive error control for adpcm speech coders | |
| CA2025455A1 (en) | Speech coding system with generation of linear predictive coding parameters and control codes from a digital speech signal | |
| DE3851887D1 (de) | Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate. | |
| CA2317969A1 (en) | Method and apparatus for decoding speech signal | |
| EP0405548A3 (en) | System for speech coding and apparatus for the same | |
| AU2002225953A1 (en) | Injection high frequency noise into pulse excitation for low bit rate celp | |
| MX9600061A (es) | Metodo para codificar una señal que contiene voz. | |
| AU607363B2 (en) | A low-delay code-excited linear predictive coder for speech or audio | |
| KR19990067850A (ko) | 보코더 및 효율적으로 결함을 극복하는 엑시테이션 벡터 인코딩 방법 |