FR2849727B1 - Procede de codage et de decodage audio a debit variable - Google Patents
Procede de codage et de decodage audio a debit variableInfo
- Publication number
- FR2849727B1 FR2849727B1 FR0300164A FR0300164A FR2849727B1 FR 2849727 B1 FR2849727 B1 FR 2849727B1 FR 0300164 A FR0300164 A FR 0300164A FR 0300164 A FR0300164 A FR 0300164A FR 2849727 B1 FR2849727 B1 FR 2849727B1
- Authority
- FR
- France
- Prior art keywords
- bits
- subset
- decoding
- nmax
- 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
- 230000005236 sound signal Effects 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/002—Dynamic bit allocation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0300164A FR2849727B1 (fr) | 2003-01-08 | 2003-01-08 | Procede de codage et de decodage audio a debit variable |
PCT/FR2003/003870 WO2004070706A1 (fr) | 2003-01-08 | 2003-12-22 | Procede de codage et de decodage audio a debit variable |
AT03799688T ATE388466T1 (de) | 2003-01-08 | 2003-12-22 | Verfahren zur codierung und decodierung von audio mit variabler rate |
AU2003299395A AU2003299395B2 (en) | 2003-01-08 | 2003-12-22 | Method for encoding and decoding audio at a variable rate |
CN2003801084396A CN1735928B (zh) | 2003-01-08 | 2003-12-22 | 用于可变速率音频编解码的方法 |
JP2004567790A JP4390208B2 (ja) | 2003-01-08 | 2003-12-22 | 音声を可変レートで符号化および復号する方法 |
BR0317954-0A BR0317954A (pt) | 2003-01-08 | 2003-12-22 | Processo de codificação e decodificação áudio com taxa variável |
ZA200505257A ZA200505257B (en) | 2003-01-08 | 2003-12-22 | Method for encoding and decoding audio at a variable rate |
DE60319590T DE60319590T2 (de) | 2003-01-08 | 2003-12-22 | Verfahren zur codierung und decodierung von audio mit variabler rate |
MXPA05007356A MXPA05007356A (es) | 2003-01-08 | 2003-12-22 | Metodo para codificar y descodificar audio a una velocidad variable. |
KR1020057012791A KR101061404B1 (ko) | 2003-01-08 | 2003-12-22 | 가변 레이트로 오디오를 인코딩 및 디코딩하는 방법 |
EP03799688A EP1581930B1 (fr) | 2003-01-08 | 2003-12-22 | Procede de codage et de decodage audio a debit variable |
ES03799688T ES2302530T3 (es) | 2003-01-08 | 2003-12-22 | Procedimiento de codificacion y descodificacion de audio con flujo variable. |
US10/541,340 US7457742B2 (en) | 2003-01-08 | 2003-12-22 | Variable rate audio encoder via scalable coding and enhancement layers and appertaining method |
CA2512179A CA2512179C (fr) | 2003-01-08 | 2003-12-22 | Procede de codage et de decodage audio a debit variable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0300164A FR2849727B1 (fr) | 2003-01-08 | 2003-01-08 | Procede de codage et de decodage audio a debit variable |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2849727A1 FR2849727A1 (fr) | 2004-07-09 |
FR2849727B1 true FR2849727B1 (fr) | 2005-03-18 |
Family
ID=32524763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0300164A Expired - Fee Related FR2849727B1 (fr) | 2003-01-08 | 2003-01-08 | Procede de codage et de decodage audio a debit variable |
Country Status (15)
Country | Link |
---|---|
US (1) | US7457742B2 (fr) |
EP (1) | EP1581930B1 (fr) |
JP (1) | JP4390208B2 (fr) |
KR (1) | KR101061404B1 (fr) |
CN (1) | CN1735928B (fr) |
AT (1) | ATE388466T1 (fr) |
AU (1) | AU2003299395B2 (fr) |
BR (1) | BR0317954A (fr) |
CA (1) | CA2512179C (fr) |
DE (1) | DE60319590T2 (fr) |
ES (1) | ES2302530T3 (fr) |
FR (1) | FR2849727B1 (fr) |
MX (1) | MXPA05007356A (fr) |
WO (1) | WO2004070706A1 (fr) |
ZA (1) | ZA200505257B (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1782419A1 (fr) * | 2004-08-17 | 2007-05-09 | Koninklijke Philips Electronics N.V. | Codage audio echelonnable |
EP1806737A4 (fr) * | 2004-10-27 | 2010-08-04 | Panasonic Corp | Codeur de son et méthode de codage de son |
KR100647336B1 (ko) | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
WO2007119368A1 (fr) | 2006-03-17 | 2007-10-25 | Matsushita Electric Industrial Co., Ltd. | Dispositif et procede de codage evolutif |
US7930173B2 (en) | 2006-06-19 | 2011-04-19 | Sharp Kabushiki Kaisha | Signal processing method, signal processing apparatus and recording medium |
JP4827661B2 (ja) * | 2006-08-30 | 2011-11-30 | 富士通株式会社 | 信号処理方法及び装置 |
US20080243518A1 (en) * | 2006-11-16 | 2008-10-02 | Alexey Oraevsky | System And Method For Compressing And Reconstructing Audio Files |
EP1927981B1 (fr) * | 2006-12-01 | 2013-02-20 | Nuance Communications, Inc. | Affinement spectral de signaux audio |
JP4871894B2 (ja) * | 2007-03-02 | 2012-02-08 | パナソニック株式会社 | 符号化装置、復号装置、符号化方法および復号方法 |
JP4708446B2 (ja) | 2007-03-02 | 2011-06-22 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
US7925783B2 (en) * | 2007-05-23 | 2011-04-12 | Microsoft Corporation | Transparent envelope for XML messages |
JP5547081B2 (ja) * | 2007-11-02 | 2014-07-09 | 華為技術有限公司 | 音声復号化方法及び装置 |
EP2398017B1 (fr) * | 2009-02-16 | 2014-04-23 | Electronics and Telecommunications Research Institute | Procédé de codage/décodage de signaux audio par sinusoidal codage adaptatif et dispositif correspondant |
EP2249333B1 (fr) * | 2009-05-06 | 2014-08-27 | Nuance Communications, Inc. | Procédé et appareil d'évaluation d'une fréquence fondamentale d'un signal vocal |
FR2947945A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques |
FR2947944A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Codage/decodage perfectionne de signaux audionumeriques |
EP2490216B1 (fr) * | 2009-10-14 | 2019-04-24 | III Holdings 12, LLC | Codage de la parole par couches |
US9236063B2 (en) | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
CN101950562A (zh) * | 2010-11-03 | 2011-01-19 | 武汉大学 | 基于音频关注度的分级编码方法及系统 |
NO2669468T3 (fr) * | 2011-05-11 | 2018-06-02 | ||
KR102053900B1 (ko) | 2011-05-13 | 2019-12-09 | 삼성전자주식회사 | 노이즈 필링방법, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기 |
US9905236B2 (en) | 2012-03-23 | 2018-02-27 | Dolby Laboratories Licensing Corporation | Enabling sampling rate diversity in a voice communication system |
KR102222838B1 (ko) | 2014-04-17 | 2021-03-04 | 보이세지 코포레이션 | 다른 샘플링 레이트들을 가진 프레임들간의 전환시 사운드 신호의 선형 예측 인코딩 및 디코딩을 위한 방법, 인코더 및 디코더 |
CN106992786B (zh) * | 2017-03-21 | 2020-07-07 | 深圳三星通信技术研究有限公司 | 一种基带数据压缩方法、装置和系统 |
KR102258814B1 (ko) * | 2018-10-04 | 2021-07-14 | 주식회사 엘지에너지솔루션 | Bms 간 통신 시스템 및 방법 |
KR102352240B1 (ko) * | 2020-02-14 | 2022-01-17 | 국방과학연구소 | Amr 음성데이터의 압축포맷정보를 추정하는 방법 및 그 장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8421498D0 (en) * | 1984-08-24 | 1984-09-26 | British Telecomm | Frequency domain speech coding |
DE19706516C1 (de) * | 1997-02-19 | 1998-01-15 | Fraunhofer Ges Forschung | Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen |
US6016111A (en) * | 1997-07-31 | 2000-01-18 | Samsung Electronics Co., Ltd. | Digital data coding/decoding method and apparatus |
FR2813722B1 (fr) * | 2000-09-05 | 2003-01-24 | France Telecom | Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif |
US7620545B2 (en) * | 2003-07-08 | 2009-11-17 | Industrial Technology Research Institute | Scale factor based bit shifting in fine granularity scalability audio coding |
-
2003
- 2003-01-08 FR FR0300164A patent/FR2849727B1/fr not_active Expired - Fee Related
- 2003-12-22 CA CA2512179A patent/CA2512179C/fr not_active Expired - Lifetime
- 2003-12-22 ES ES03799688T patent/ES2302530T3/es not_active Expired - Lifetime
- 2003-12-22 ZA ZA200505257A patent/ZA200505257B/en unknown
- 2003-12-22 JP JP2004567790A patent/JP4390208B2/ja not_active Expired - Lifetime
- 2003-12-22 EP EP03799688A patent/EP1581930B1/fr not_active Expired - Lifetime
- 2003-12-22 US US10/541,340 patent/US7457742B2/en active Active
- 2003-12-22 AU AU2003299395A patent/AU2003299395B2/en not_active Expired
- 2003-12-22 MX MXPA05007356A patent/MXPA05007356A/es active IP Right Grant
- 2003-12-22 AT AT03799688T patent/ATE388466T1/de not_active IP Right Cessation
- 2003-12-22 CN CN2003801084396A patent/CN1735928B/zh not_active Expired - Lifetime
- 2003-12-22 DE DE60319590T patent/DE60319590T2/de not_active Expired - Lifetime
- 2003-12-22 KR KR1020057012791A patent/KR101061404B1/ko active IP Right Grant
- 2003-12-22 WO PCT/FR2003/003870 patent/WO2004070706A1/fr active IP Right Grant
- 2003-12-22 BR BR0317954-0A patent/BR0317954A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4390208B2 (ja) | 2009-12-24 |
MXPA05007356A (es) | 2005-09-30 |
WO2004070706A1 (fr) | 2004-08-19 |
US7457742B2 (en) | 2008-11-25 |
JP2006513457A (ja) | 2006-04-20 |
FR2849727A1 (fr) | 2004-07-09 |
ES2302530T3 (es) | 2008-07-16 |
ATE388466T1 (de) | 2008-03-15 |
EP1581930B1 (fr) | 2008-03-05 |
AU2003299395B2 (en) | 2010-03-04 |
CA2512179C (fr) | 2013-04-16 |
DE60319590T2 (de) | 2009-03-26 |
US20060036435A1 (en) | 2006-02-16 |
AU2003299395A1 (en) | 2004-08-30 |
CA2512179A1 (fr) | 2004-08-19 |
KR20050092107A (ko) | 2005-09-20 |
DE60319590D1 (de) | 2008-04-17 |
CN1735928A (zh) | 2006-02-15 |
ZA200505257B (en) | 2006-09-27 |
CN1735928B (zh) | 2010-05-12 |
BR0317954A (pt) | 2005-11-29 |
EP1581930A1 (fr) | 2005-10-05 |
KR101061404B1 (ko) | 2011-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20140930 |