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)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (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 |
|---|---|---|---|---|
| AU620384B2 (en) * | 1988-03-28 | 1992-02-20 | Nec Corporation | 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 |
| JP3425423B2 (ja) * | 1998-02-17 | 2003-07-14 | モトローラ・インコーポレイテッド | 固定コードブックにおける最適のベクトルの高速決定のための方法および装置 |
| 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 AT AT84112041T patent/ATE42853T1/de not_active IP Right Cessation
- 1984-10-08 EP EP84112041A patent/EP0149724B1/de not_active Expired
- 1984-10-08 DE DE8484112041T patent/DE3478065D1/de not_active Expired
- 1984-11-29 JP JP59250655A patent/JPS60185432A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60185432A (ja) | 1985-09-20 |
| DE3478065D1 (en) | 1989-06-08 |
| EP0149724B1 (de) | 1989-05-03 |
| EP0149724A1 (de) | 1985-07-31 |
| CA1236922A (en) | 1988-05-17 |
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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 |