FR2796190B1 - Procede et dispositif de codage audio - Google Patents
Procede et dispositif de codage audioInfo
- Publication number
- FR2796190B1 FR2796190B1 FR9908634A FR9908634A FR2796190B1 FR 2796190 B1 FR2796190 B1 FR 2796190B1 FR 9908634 A FR9908634 A FR 9908634A FR 9908634 A FR9908634 A FR 9908634A FR 2796190 B1 FR2796190 B1 FR 2796190B1
- Authority
- FR
- France
- Prior art keywords
- audio signal
- fundamental frequency
- frequency
- coding method
- audio coding
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
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)
- Stereophonic System (AREA)
- Cereal-Derived Products (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Priority Applications (6)
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 |
AU62922/00A AU6292200A (en) | 1999-07-05 | 2000-07-04 | Audio encoding with harmonic components |
DE60014086T DE60014086D1 (de) | 1999-07-05 | 2000-07-04 | Audiokodierung mit harmonischen komponenten |
EP00949623A EP1192621B1 (fr) | 1999-07-05 | 2000-07-04 | Codage audio avec composants harmoniques |
AT00949623T ATE277404T1 (de) | 1999-07-05 | 2000-07-04 | Audiokodierung mit harmonischen komponenten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908634A FR2796190B1 (fr) | 1999-07-05 | 1999-07-05 | Procede et dispositif de codage audio |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2796190A1 FR2796190A1 (fr) | 2001-01-12 |
FR2796190B1 true FR2796190B1 (fr) | 2002-05-03 |
Family
ID=9547703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9908634A Expired - Fee Related FR2796190B1 (fr) | 1999-07-05 | 1999-07-05 | Procede et dispositif de codage audio |
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 WO PCT/FR2000/001908 patent/WO2001003120A1/fr active IP Right Grant
- 2000-07-04 AT AT00949623T patent/ATE277404T1/de not_active IP Right Cessation
- 2000-07-04 AU AU62922/00A patent/AU6292200A/en not_active Abandoned
- 2000-07-04 EP EP00949623A patent/EP1192621B1/fr not_active Expired - Lifetime
- 2000-07-04 DE DE60014086T patent/DE60014086D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2001003120A1 (fr) | 2001-01-11 |
AU6292200A (en) | 2001-01-22 |
FR2796190A1 (fr) | 2001-01-12 |
ATE277404T1 (de) | 2004-10-15 |
DE60014086D1 (de) | 2004-10-28 |
EP1192621B1 (fr) | 2004-09-22 |
EP1192621A1 (fr) | 2002-04-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1996002990A3 (fr) | Procede et dispositif de synchronisation d'un emetteur et d'un recepteur dans un systeme numerique | |
MX2008008881A (es) | Modem para comunicar datos a traves de un canal de voz de un sistema de comunicaciones. | |
DE60214903D1 (de) | Datenübertragungssystem und verfahren mit schallwellen | |
SE9800776L (sv) | Sätt och anordning för audiokodning | |
DE10080188D2 (de) | Vorrichtung zur Schalldämmung am menschlichen Ohr | |
FR2814302B1 (fr) | Signal multiporteuse a pilotes repartis concu pour limiter l'interference, procede de construction d'un signal, procede de reception, recepteur et dispositif d'emission correspondants | |
DE69938016D1 (de) | Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen | |
ATE309589T1 (de) | Grosse rauschsignalunterdrückung bei elektronischer artikelüberwachung | |
AU3066300A (en) | Ofdm receiver with adaptive equaliser | |
EP1589679A4 (fr) | Procede et dispositif de transmission optique | |
DE69521325D1 (de) | Verfahren und vorrichtung zur kodierung und dekodierung von über telefonleitungen übertragenen daten | |
DE69733085D1 (de) | Tonsignalidentifizierung durch markierungssignale im tonsignal | |
FR2796190B1 (fr) | Procede et dispositif de codage audio | |
WO2002039683A3 (fr) | Un systeme et un procede de transmission et de reception de signaux de donnees sur une ligne a signaux d'horloge | |
NO20020805L (no) | Estimering av interferens i et sambandsnett | |
WO2002023746A3 (fr) | Procede d'evaluation numerique independant du systeme de signaux de reception de communication mobile de differentes normes de telephonie mobile | |
WO2000051014A3 (fr) | Transformee a recouvrement complexe modulee pour l'amelioration et le codage d'un signal integre | |
FR2796193B1 (fr) | Procede et dispositif de codage audio | |
FR2911031B1 (fr) | Procede et dispositif de codage audio | |
RU94019809A (ru) | Способ передачи цифровых данных по звуковой линии связи | |
TW200611846A (en) | Burglarproof alarm using power cord as signal transmission and remote-controlling method thereof | |
KR950024073A (ko) | 퍼스널 컴퓨터의 데이타 송수신장치 | |
EP1102424A3 (fr) | Processeur de signaux optiques utilisant un dispositif à seuil pour réduire le bruit optique à large bande et procédé associé | |
JPS5974772A (ja) | 量子化雑音を抑圧する方法 | |
TW251399B (en) | Apparatus and method for geometrically modulating electromagnetic radiation and a receiver for decoding geometrically modulated signals |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
ST | Notification of lapse |
Effective date: 20060331 |