FR2796194B1 - Procedes et dispositifs d'analyse et de synthese audio - Google Patents
Procedes et dispositifs d'analyse et de synthese audioInfo
- Publication number
- FR2796194B1 FR2796194B1 FR9908638A FR9908638A FR2796194B1 FR 2796194 B1 FR2796194 B1 FR 2796194B1 FR 9908638 A FR9908638 A FR 9908638A FR 9908638 A FR9908638 A FR 9908638A FR 2796194 B1 FR2796194 B1 FR 2796194B1
- Authority
- FR
- France
- Prior art keywords
- samples
- audio signal
- frame
- signal
- devices
- 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 - Fee Related
Links
- 238000001308 synthesis method Methods 0.000 title 1
- 230000005236 sound signal Effects 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000003786 synthesis reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000002407 reforming Methods 0.000 abstract 1
- 230000001131 transforming 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
- G10L19/02—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)
- Analysing Materials By The Use Of Radiation (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908638A FR2796194B1 (fr) | 1999-07-05 | 1999-07-05 | Procedes et dispositifs d'analyse et de synthese audio |
EP00953223A EP1194923B1 (fr) | 1999-07-05 | 2000-07-04 | Procedes et dispositifs d'analyse et de synthese audio |
AU65751/00A AU6575100A (en) | 1999-07-05 | 2000-07-04 | Methods and device for audio analysis and synthesis |
DE60025615T DE60025615D1 (de) | 1999-07-05 | 2000-07-04 | Verfahren und system für audio analyse und synthese |
PCT/FR2000/001904 WO2001003116A1 (fr) | 1999-07-05 | 2000-07-04 | Procedes et dispositifs d'analyse et de synthese audio |
AT00953223T ATE316284T1 (de) | 1999-07-05 | 2000-07-04 | Verfahren und system für audio analyse und synthese |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908638A FR2796194B1 (fr) | 1999-07-05 | 1999-07-05 | Procedes et dispositifs d'analyse et de synthese audio |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2796194A1 FR2796194A1 (fr) | 2001-01-12 |
FR2796194B1 true FR2796194B1 (fr) | 2002-05-03 |
Family
ID=9547707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9908638A Expired - Fee Related FR2796194B1 (fr) | 1999-07-05 | 1999-07-05 | Procedes et dispositifs d'analyse et de synthese audio |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1194923B1 (fr) |
AT (1) | ATE316284T1 (fr) |
AU (1) | AU6575100A (fr) |
DE (1) | DE60025615D1 (fr) |
FR (1) | FR2796194B1 (fr) |
WO (1) | WO2001003116A1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5226084A (en) * | 1990-12-05 | 1993-07-06 | Digital Voice Systems, Inc. | Methods for speech quantization and error correction |
US5765127A (en) * | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
JP3152109B2 (ja) * | 1995-05-30 | 2001-04-03 | 日本ビクター株式会社 | オーディオ信号の圧縮伸張方法 |
-
1999
- 1999-07-05 FR FR9908638A patent/FR2796194B1/fr not_active Expired - Fee Related
-
2000
- 2000-07-04 AT AT00953223T patent/ATE316284T1/de not_active IP Right Cessation
- 2000-07-04 WO PCT/FR2000/001904 patent/WO2001003116A1/fr active IP Right Grant
- 2000-07-04 EP EP00953223A patent/EP1194923B1/fr not_active Expired - Lifetime
- 2000-07-04 DE DE60025615T patent/DE60025615D1/de not_active Expired - Lifetime
- 2000-07-04 AU AU65751/00A patent/AU6575100A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU6575100A (en) | 2001-01-22 |
ATE316284T1 (de) | 2006-02-15 |
WO2001003116A1 (fr) | 2001-01-11 |
EP1194923A1 (fr) | 2002-04-10 |
EP1194923B1 (fr) | 2006-01-18 |
FR2796194A1 (fr) | 2001-01-12 |
DE60025615D1 (de) | 2006-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
ST | Notification of lapse |
Effective date: 20060331 |