ATE388466T1 - Verfahren zur codierung und decodierung von audio mit variabler rate - Google Patents

Verfahren zur codierung und decodierung von audio mit variabler rate

Info

Publication number
ATE388466T1
ATE388466T1 AT03799688T AT03799688T ATE388466T1 AT E388466 T1 ATE388466 T1 AT E388466T1 AT 03799688 T AT03799688 T AT 03799688T AT 03799688 T AT03799688 T AT 03799688T AT E388466 T1 ATE388466 T1 AT E388466T1
Authority
AT
Austria
Prior art keywords
bits
subset
coding
variable rate
nmax
Prior art date
Application number
AT03799688T
Other languages
English (en)
Inventor
Balazs Kovesi
Dominique Massaloux
Original Assignee
France Telecom
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE388466T1 publication Critical patent/ATE388466T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT03799688T 2003-01-08 2003-12-22 Verfahren zur codierung und decodierung von audio mit variabler rate ATE388466T1 (de)

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 (1)

Publication Number Publication Date
ATE388466T1 true ATE388466T1 (de) 2008-03-15

Family

ID=32524763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03799688T ATE388466T1 (de) 2003-01-08 2003-12-22 Verfahren zur codierung und decodierung von audio mit variabler rate

Country Status (15)

Country Link
US (1) US7457742B2 (de)
EP (1) EP1581930B1 (de)
JP (1) JP4390208B2 (de)
KR (1) KR101061404B1 (de)
CN (1) CN1735928B (de)
AT (1) ATE388466T1 (de)
AU (1) AU2003299395B2 (de)
BR (1) BR0317954A (de)
CA (1) CA2512179C (de)
DE (1) DE60319590T2 (de)
ES (1) ES2302530T3 (de)
FR (1) FR2849727B1 (de)
MX (1) MXPA05007356A (de)
WO (1) WO2004070706A1 (de)
ZA (1) ZA200505257B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7921007B2 (en) * 2004-08-17 2011-04-05 Koninklijke Philips Electronics N.V. Scalable audio coding
JP4859670B2 (ja) * 2004-10-27 2012-01-25 パナソニック株式会社 音声符号化装置および音声符号化方法
KR100647336B1 (ko) 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
EP1990800B1 (de) * 2006-03-17 2016-11-16 Panasonic Intellectual Property Management Co., Ltd. Skalierbare verschlüsselungsvorrichtung und skalierbares verschlüsselungsverfahren
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 (de) * 2006-12-01 2013-02-20 Nuance Communications, Inc. Spektrale Verfeinerung von Audiosignalen
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
EP2629293A3 (de) * 2007-11-02 2014-01-08 Huawei Technologies Co., Ltd. Verfahren und Vorrichtung zur Audiodecodierung
KR101441474B1 (ko) * 2009-02-16 2014-09-17 한국전자통신연구원 적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치
EP2249333B1 (de) * 2009-05-06 2014-08-27 Nuance Communications, Inc. Verfahren und Vorrichtung zur Schätzung einer Grundfrequenz eines Sprachsignals
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
WO2011045926A1 (ja) * 2009-10-14 2011-04-21 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
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 (de) * 2011-05-11 2018-06-02
EP2707875A4 (de) * 2011-05-13 2015-03-25 Samsung Electronics Co Ltd Geräuschunterdrückung und audiodekodierung
US9905236B2 (en) 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation Enabling sampling rate diversity in a voice communication system
WO2015157843A1 (en) 2014-04-17 2015-10-22 Voiceage Corporation Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2512179A1 (fr) 2004-08-19
ZA200505257B (en) 2006-09-27
ES2302530T3 (es) 2008-07-16
JP2006513457A (ja) 2006-04-20
AU2003299395A1 (en) 2004-08-30
CN1735928A (zh) 2006-02-15
EP1581930A1 (de) 2005-10-05
DE60319590D1 (de) 2008-04-17
FR2849727A1 (fr) 2004-07-09
WO2004070706A1 (fr) 2004-08-19
US7457742B2 (en) 2008-11-25
KR101061404B1 (ko) 2011-09-01
FR2849727B1 (fr) 2005-03-18
CN1735928B (zh) 2010-05-12
MXPA05007356A (es) 2005-09-30
CA2512179C (fr) 2013-04-16
BR0317954A (pt) 2005-11-29
AU2003299395B2 (en) 2010-03-04
KR20050092107A (ko) 2005-09-20
EP1581930B1 (de) 2008-03-05
US20060036435A1 (en) 2006-02-16
JP4390208B2 (ja) 2009-12-24
DE60319590T2 (de) 2009-03-26

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