ATE277404T1 - Audiokodierung mit harmonischen komponenten - Google Patents
Audiokodierung mit harmonischen komponentenInfo
- Publication number
- ATE277404T1 ATE277404T1 AT00949623T AT00949623T ATE277404T1 AT E277404 T1 ATE277404 T1 AT E277404T1 AT 00949623 T AT00949623 T AT 00949623T AT 00949623 T AT00949623 T AT 00949623T AT E277404 T1 ATE277404 T1 AT E277404T1
- Authority
- AT
- Austria
- Prior art keywords
- audio signal
- fundamental frequency
- frequency
- audio coding
- harmonic components
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000000034 method 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
-
- 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)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Cereal-Derived Products (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9908634A FR2796190B1 (fr) | 1999-07-05 | 1999-07-05 | Procede et dispositif de codage audio |
| PCT/FR2000/001908 WO2001003120A1 (fr) | 1999-07-05 | 2000-07-04 | Codage audio avec composants harmoniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE277404T1 true ATE277404T1 (de) | 2004-10-15 |
Family
ID=9547703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00949623T ATE277404T1 (de) | 1999-07-05 | 2000-07-04 | Audiokodierung mit harmonischen komponenten |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1192621B1 (fr) |
| AT (1) | ATE277404T1 (fr) |
| AU (1) | AU6292200A (fr) |
| DE (1) | DE60014086D1 (fr) |
| FR (1) | FR2796190B1 (fr) |
| WO (1) | WO2001003120A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5054072A (en) * | 1987-04-02 | 1991-10-01 | Massachusetts Institute Of Technology | Coding of acoustic waveforms |
| US5630011A (en) * | 1990-12-05 | 1997-05-13 | Digital Voice Systems, Inc. | Quantization of harmonic amplitudes representing speech |
| US5369724A (en) * | 1992-01-17 | 1994-11-29 | Massachusetts Institute Of Technology | Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients |
| US5787387A (en) * | 1994-07-11 | 1998-07-28 | Voxware, Inc. | Harmonic adaptive speech coding method and system |
| JP3653826B2 (ja) * | 1995-10-26 | 2005-06-02 | ソニー株式会社 | 音声復号化方法及び装置 |
-
1999
- 1999-07-05 FR FR9908634A patent/FR2796190B1/fr not_active Expired - Fee Related
-
2000
- 2000-07-04 EP EP00949623A patent/EP1192621B1/fr not_active Expired - Lifetime
- 2000-07-04 DE DE60014086T patent/DE60014086D1/de not_active Expired - Lifetime
- 2000-07-04 AT AT00949623T patent/ATE277404T1/de not_active IP Right Cessation
- 2000-07-04 WO PCT/FR2000/001908 patent/WO2001003120A1/fr active IP Right Grant
- 2000-07-04 AU AU62922/00A patent/AU6292200A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001003120A1 (fr) | 2001-01-11 |
| AU6292200A (en) | 2001-01-22 |
| FR2796190A1 (fr) | 2001-01-12 |
| FR2796190B1 (fr) | 2002-05-03 |
| EP1192621A1 (fr) | 2002-04-03 |
| EP1192621B1 (fr) | 2004-09-22 |
| DE60014086D1 (de) | 2004-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |