DK1706866T3 - Audiokodning på basis af blokgruppering - Google Patents

Audiokodning på basis af blokgruppering

Info

Publication number
DK1706866T3
DK1706866T3 DK05711669T DK05711669T DK1706866T3 DK 1706866 T3 DK1706866 T3 DK 1706866T3 DK 05711669 T DK05711669 T DK 05711669T DK 05711669 T DK05711669 T DK 05711669T DK 1706866 T3 DK1706866 T3 DK 1706866T3
Authority
DK
Denmark
Prior art keywords
search
audio coding
optimal
groups
coding based
Prior art date
Application number
DK05711669T
Other languages
English (en)
Inventor
Matthew Conrad Fellers
Mark Stuart Vinton
Claus Bauer
Grant Allen Davidson
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1706866T3 publication Critical patent/DK1706866T3/da

Links

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
    • G10L19/02—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 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/60—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for measuring the quality of voice signals
DK05711669T 2004-01-20 2005-01-19 Audiokodning på basis af blokgruppering DK1706866T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53798404P 2004-01-20 2004-01-20
PCT/US2005/001715 WO2005071667A1 (en) 2004-01-20 2005-01-19 Audio coding based on block grouping

Publications (1)

Publication Number Publication Date
DK1706866T3 true DK1706866T3 (da) 2008-06-09

Family

ID=34807152

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05711669T DK1706866T3 (da) 2004-01-20 2005-01-19 Audiokodning på basis af blokgruppering

Country Status (16)

Country Link
US (1) US7840410B2 (da)
EP (1) EP1706866B1 (da)
JP (1) JP5069909B2 (da)
KR (1) KR20060131798A (da)
CN (1) CN1910656B (da)
AT (1) ATE389932T1 (da)
AU (1) AU2005207596A1 (da)
CA (1) CA2552881A1 (da)
DE (1) DE602005005441T2 (da)
DK (1) DK1706866T3 (da)
ES (1) ES2299998T3 (da)
HK (1) HK1091024A1 (da)
IL (1) IL176483A0 (da)
PL (1) PL1706866T3 (da)
TW (1) TW200534602A (da)
WO (1) WO2005071667A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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US8154554B1 (en) 2006-07-28 2012-04-10 Nvidia Corporation Unified assembly instruction set for graphics processing
US8396119B1 (en) * 2009-09-30 2013-03-12 Ambarella, Inc. Data sample compression and decompression using randomized quantization bins
BR122020007866B1 (pt) 2009-10-21 2021-06-01 Dolby International Ab Sistema configurado para gerar um componente de alta frequência de um sinal de áudio, método para gerar um componente de alta frequência de um sinal de áudio e método para projetar um transpositor de harmônicos
JP2013050663A (ja) * 2011-08-31 2013-03-14 Nippon Hoso Kyokai <Nhk> 多チャネル音響符号化装置およびそのプログラム
CN103544957B (zh) 2012-07-13 2017-04-12 华为技术有限公司 音频信号的比特分配的方法和装置
CN105493182B (zh) * 2013-08-28 2020-01-21 杜比实验室特许公司 混合波形编码和参数编码语音增强
EP2993665A1 (en) * 2014-09-02 2016-03-09 Thomson Licensing Method and apparatus for coding or decoding subband configuration data for subband groups
US9978388B2 (en) * 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
WO2017027308A1 (en) 2015-08-07 2017-02-16 Dolby Laboratories Licensing Corporation Processing object-based audio signals
US20210350778A1 (en) * 2018-10-10 2021-11-11 Accusonus, Inc. Method and system for processing audio stems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
EP0531538B1 (en) 1991-03-29 1998-04-15 Sony Corporation Reduction of the size of side-information for Subband coding
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US6300888B1 (en) * 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
JP3739959B2 (ja) * 1999-03-23 2006-01-25 株式会社リコー デジタル音響信号符号化装置、デジタル音響信号符号化方法及びデジタル音響信号符号化プログラムを記録した媒体
JP2001154698A (ja) * 1999-11-29 2001-06-08 Victor Co Of Japan Ltd オーディオ符号化装置及びその方法
JP3597750B2 (ja) * 2000-04-11 2004-12-08 松下電器産業株式会社 グループ化方法及びグループ化装置
JP4635400B2 (ja) * 2001-09-27 2011-02-23 パナソニック株式会社 オーディオ信号符号化方法
JP3984468B2 (ja) * 2001-12-14 2007-10-03 松下電器産業株式会社 符号化装置、復号化装置及び符号化方法
DE60204038T2 (de) * 2001-11-02 2006-01-19 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zum codieren bzw. decodieren eines audiosignals
JP4272897B2 (ja) * 2002-01-30 2009-06-03 パナソニック株式会社 符号化装置、復号化装置およびその方法
US7110941B2 (en) * 2002-03-28 2006-09-19 Microsoft Corporation System and method for embedded audio coding with implicit auditory masking
US20030215013A1 (en) * 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
JP2003338998A (ja) * 2002-05-22 2003-11-28 Casio Comput Co Ltd 画像保存システム、及び画像保存装置
JP4062971B2 (ja) * 2002-05-27 2008-03-19 松下電器産業株式会社 オーディオ信号符号化方法
US7283968B2 (en) * 2003-09-29 2007-10-16 Sony Corporation Method for grouping short windows in audio encoding
JP2005165056A (ja) * 2003-12-03 2005-06-23 Canon Inc オーディオ信号符号化装置及び方法

Also Published As

Publication number Publication date
ATE389932T1 (de) 2008-04-15
US7840410B2 (en) 2010-11-23
JP2007523366A (ja) 2007-08-16
ES2299998T3 (es) 2008-06-01
EP1706866B1 (en) 2008-03-19
TW200534602A (en) 2005-10-16
IL176483A0 (en) 2006-10-05
JP5069909B2 (ja) 2012-11-07
WO2005071667A1 (en) 2005-08-04
KR20060131798A (ko) 2006-12-20
CN1910656A (zh) 2007-02-07
PL1706866T3 (pl) 2008-10-31
AU2005207596A1 (en) 2005-08-04
US20080133246A1 (en) 2008-06-05
CN1910656B (zh) 2010-11-03
CA2552881A1 (en) 2005-08-04
DE602005005441D1 (de) 2008-04-30
EP1706866A1 (en) 2006-10-04
DE602005005441T2 (de) 2009-04-23
HK1091024A1 (en) 2007-01-05

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