ATE42853T1 - Verfahren und einrichtung zur codierung von digitalen signalen. - Google Patents
Verfahren und einrichtung zur codierung von digitalen signalen.Info
- Publication number
- ATE42853T1 ATE42853T1 AT84112041T AT84112041T ATE42853T1 AT E42853 T1 ATE42853 T1 AT E42853T1 AT 84112041 T AT84112041 T AT 84112041T AT 84112041 T AT84112041 T AT 84112041T AT E42853 T1 ATE42853 T1 AT E42853T1
- Authority
- AT
- Austria
- Prior art keywords
- block
- signal
- excitation signal
- lpc coefficients
- excitation
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005284 excitation Effects 0.000 abstract 5
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000003111 delayed effect Effects 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
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000442281A CA1236922A (en) | 1983-11-30 | 1983-11-30 | Method and apparatus for coding digital signals |
| EP84112041A EP0149724B1 (de) | 1983-11-30 | 1984-10-08 | Verfahren und Einrichtung zur Codierung von digitalen Signalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE42853T1 true ATE42853T1 (de) | 1989-05-15 |
Family
ID=4126639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT84112041T ATE42853T1 (de) | 1983-11-30 | 1984-10-08 | Verfahren und einrichtung zur codierung von digitalen signalen. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0149724B1 (de) |
| JP (1) | JPS60185432A (de) |
| AT (1) | ATE42853T1 (de) |
| CA (1) | CA1236922A (de) |
| DE (1) | DE3478065D1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1328509C (en) * | 1988-03-28 | 1994-04-12 | Tetsu Taguchi | Linear predictive speech analysis-synthesis apparatus |
| US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
| US5754976A (en) * | 1990-02-23 | 1998-05-19 | Universite De Sherbrooke | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech |
| WO1995001673A1 (en) * | 1993-06-30 | 1995-01-12 | Royal Melbourne Institute Of Technology | Filter windows for fourier transform signal compression |
| KR100510399B1 (ko) * | 1998-02-17 | 2005-08-30 | 모토로라 인코포레이티드 | 고정 코드북내의 최적 벡터의 고속 결정 방법 및 장치 |
| KR100587099B1 (ko) | 2003-05-10 | 2006-06-07 | 엘지전자 주식회사 | 사이클론 방식 진공 청소기의 집진 유니트 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472832A (en) * | 1981-12-01 | 1984-09-18 | At&T Bell Laboratories | Digital speech coder |
-
1983
- 1983-11-30 CA CA000442281A patent/CA1236922A/en not_active Expired
-
1984
- 1984-10-08 DE DE8484112041T patent/DE3478065D1/de not_active Expired
- 1984-10-08 AT AT84112041T patent/ATE42853T1/de not_active IP Right Cessation
- 1984-10-08 EP EP84112041A patent/EP0149724B1/de not_active Expired
- 1984-11-29 JP JP59250655A patent/JPS60185432A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0149724B1 (de) | 1989-05-03 |
| CA1236922A (en) | 1988-05-17 |
| JPS60185432A (ja) | 1985-09-20 |
| EP0149724A1 (de) | 1985-07-31 |
| DE3478065D1 (en) | 1989-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |