AT388466T - A method for encoding and decoding of audio at a variable rate - Google Patents

A method for encoding and decoding of audio at a variable rate

Info

Publication number
AT388466T
AT388466T AT03799688T AT03799688T AT388466T AT 388466 T AT388466 T AT 388466T AT 03799688 T AT03799688 T AT 03799688T AT 03799688 T AT03799688 T AT 03799688T AT 388466 T AT388466 T AT 388466T
Authority
AT
Austria
Prior art keywords
decoding
audio
encoding
method
variable rate
Prior art date
Application number
AT03799688T
Other languages
German (de)
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
Priority to FR0300164A priority Critical patent/FR2849727B1/en
Application filed by France Telecom filed Critical France Telecom
Publication of AT388466T publication Critical patent/AT388466T/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
AT03799688T 2003-01-08 2003-12-22 A method for encoding and decoding of audio at a variable rate AT388466T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0300164A FR2849727B1 (en) 2003-01-08 2003-01-08 Method for coding and decoding audio has variable flow

Publications (1)

Publication Number Publication Date
AT388466T true AT388466T (en) 2008-03-15

Family

ID=32524763

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03799688T AT388466T (en) 2003-01-08 2003-12-22 A method for encoding and decoding of audio at a variable rate

Country Status (15)

Country Link
US (1) US7457742B2 (en)
EP (1) EP1581930B1 (en)
JP (1) JP4390208B2 (en)
KR (1) KR101061404B1 (en)
CN (1) CN1735928B (en)
AT (1) AT388466T (en)
AU (1) AU2003299395B2 (en)
BR (1) BR0317954A (en)
CA (1) CA2512179C (en)
DE (1) DE60319590T2 (en)
ES (1) ES2302530T3 (en)
FR (1) FR2849727B1 (en)
MX (1) MXPA05007356A (en)
WO (1) WO2004070706A1 (en)
ZA (1) ZA200505257B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018748A1 (en) * 2004-08-17 2006-02-23 Koninklijke Philips Electronics N.V. Scalable audio coding
KR20070070189A (en) * 2004-10-27 2007-07-03 마츠시타 덴끼 산교 가부시키가이샤 Sound encoder and sound encoding method
KR100647336B1 (en) * 2005-11-08 2006-11-10 삼성전자주식회사 Apparatus and method for adaptive time/frequency-based encoding/decoding
EP1990800B1 (en) * 2006-03-17 2016-11-16 Panasonic Intellectual Property Management Co., Ltd. Scalable encoding device and scalable encoding method
EP1870880B1 (en) * 2006-06-19 2010-04-07 Sharp Corporation Signal processing method, signal processing apparatus and recording medium
JP4827661B2 (en) * 2006-08-30 2011-11-30 富士通株式会社 Signal processing method and apparatus
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
EP1927981B1 (en) * 2006-12-01 2013-02-20 Nuance Communications, Inc. Spectral refinement of audio signals
JP4708446B2 (en) 2007-03-02 2011-06-22 パナソニック株式会社 Encoding apparatus, decoding apparatus and their methods
JP4871894B2 (en) 2007-03-02 2012-02-08 パナソニック株式会社 Encoding apparatus, decoding apparatus, encoding method and decoding method
US7925783B2 (en) * 2007-05-23 2011-04-12 Microsoft Corporation Transparent envelope for XML messages
EP2207166B1 (en) * 2007-11-02 2013-06-19 Huawei Technologies Co., Ltd. An audio decoding method and device
CN103366755B (en) * 2009-02-16 2016-05-18 韩国电子通信研究院 Method and apparatus for audio signal encoding and decoding
EP2249333B1 (en) * 2009-05-06 2014-08-27 Nuance Communications, Inc. Method and apparatus for estimating a fundamental frequency of a speech signal
FR2947944A1 (en) * 2009-07-07 2011-01-14 France Telecom Encoding / decoding of digital audio signals perfected
FR2947945A1 (en) * 2009-07-07 2011-01-14 France Telecom bit allocation in a coding / decoding of improving a coding / decoding of digital audio signals hierarchical
WO2011045926A1 (en) * 2009-10-14 2011-04-21 パナソニック株式会社 Encoding device, decoding device, and methods therefor
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN101950562A (en) * 2010-11-03 2011-01-19 武汉大学 Hierarchical coding method and system based on audio attention
ES2668920T3 (en) * 2011-05-11 2018-05-23 Voiceage Corporation Codebook domain transformed into a CELP encoder and decoder
MY164164A (en) 2011-05-13 2017-11-30 Samsung Electronics Co Ltd Bit allocating, audio encoding and decoding
US9905236B2 (en) 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation Enabling sampling rate diversity in a voice communication system

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 (en) 1997-02-19 1998-01-15 Fraunhofer Ges Forschung Encoding method for discrete signals and decoding of encoded discrete signals
US6016111A (en) * 1997-07-31 2000-01-18 Samsung Electronics Co., Ltd. Digital data coding/decoding method and apparatus
FR2813722B1 (en) 2000-09-05 2003-01-24 France Telecom Method and device for concealing errors and transmission system comprising such a device
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
AU2003299395A1 (en) 2004-08-30
EP1581930B1 (en) 2008-03-05
CA2512179C (en) 2013-04-16
US7457742B2 (en) 2008-11-25
WO2004070706A1 (en) 2004-08-19
KR20050092107A (en) 2005-09-20
KR101061404B1 (en) 2011-09-01
CA2512179A1 (en) 2004-08-19
MXPA05007356A (en) 2005-09-30
ZA200505257B (en) 2006-09-27
DE60319590T2 (en) 2009-03-26
DE60319590D1 (en) 2008-04-17
FR2849727A1 (en) 2004-07-09
BR0317954A (en) 2005-11-29
FR2849727B1 (en) 2005-03-18
CN1735928A (en) 2006-02-15
EP1581930A1 (en) 2005-10-05
ES2302530T3 (en) 2008-07-16
US20060036435A1 (en) 2006-02-16
JP2006513457A (en) 2006-04-20
JP4390208B2 (en) 2009-12-24
AU2003299395B2 (en) 2010-03-04
CN1735928B (en) 2010-05-12

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Legal Events

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