DE60331729D1 - Audiocodierungsverfahren und audiocodierungseinrichtung - Google Patents

Audiocodierungsverfahren und audiocodierungseinrichtung

Info

Publication number
DE60331729D1
DE60331729D1 DE60331729T DE60331729T DE60331729D1 DE 60331729 D1 DE60331729 D1 DE 60331729D1 DE 60331729 T DE60331729 T DE 60331729T DE 60331729 T DE60331729 T DE 60331729T DE 60331729 D1 DE60331729 D1 DE 60331729D1
Authority
DE
Germany
Prior art keywords
audiocoding
audiocoding method
audiocoding device
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 - Lifetime
Application number
DE60331729T
Other languages
English (en)
Inventor
Keisuke Touyama
Shiro Suzuki
Minoru Tsuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60331729D1 publication Critical patent/DE60331729D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/04—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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
DE60331729T 2002-05-07 2003-04-30 Audiocodierungsverfahren und audiocodierungseinrichtung Expired - Lifetime DE60331729D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002132188A JP4296752B2 (ja) 2002-05-07 2002-05-07 符号化方法及び装置、復号方法及び装置、並びにプログラム
PCT/JP2003/005545 WO2003096325A1 (en) 2002-05-07 2003-04-30 Coding method, coding device, decoding method, and decoding device

Publications (1)

Publication Number Publication Date
DE60331729D1 true DE60331729D1 (de) 2010-04-29

Family

ID=29416630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60331729T Expired - Lifetime DE60331729D1 (de) 2002-05-07 2003-04-30 Audiocodierungsverfahren und audiocodierungseinrichtung

Country Status (7)

Country Link
US (1) US7428489B2 (de)
EP (1) EP1503370B1 (de)
JP (1) JP4296752B2 (de)
KR (1) KR100941011B1 (de)
CN (2) CN1256715C (de)
DE (1) DE60331729D1 (de)
WO (1) WO2003096325A1 (de)

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EP1982326A4 (de) * 2006-02-07 2010-05-19 Lg Electronics Inc Vorrichtung und verfahren zum codieren/decodieren eines signals
KR20080093422A (ko) * 2006-02-09 2008-10-21 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치
BRPI0706488A2 (pt) * 2006-02-23 2011-03-29 Lg Electronics Inc método e aparelho para processar sinal de áudio
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JP4769673B2 (ja) * 2006-09-20 2011-09-07 富士通株式会社 オーディオ信号補間方法及びオーディオ信号補間装置
JP4993992B2 (ja) * 2006-10-04 2012-08-08 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
JP5189760B2 (ja) * 2006-12-15 2013-04-24 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
JP5045295B2 (ja) * 2007-07-30 2012-10-10 ソニー株式会社 信号処理装置及び方法、並びにプログラム
JP5098492B2 (ja) * 2007-07-30 2012-12-12 ソニー株式会社 信号処理装置及び信号処理方法、並びにプログラム
US8386266B2 (en) 2010-07-01 2013-02-26 Polycom, Inc. Full-band scalable audio codec
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
JP2012103395A (ja) * 2010-11-09 2012-05-31 Sony Corp 符号化装置、符号化方法、およびプログラム
CN102741831B (zh) 2010-11-12 2015-10-07 宝利通公司 多点环境中的可伸缩音频
JP6319753B2 (ja) 2013-12-02 2018-05-09 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 符号化方法および装置
EP3288031A1 (de) * 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur codierung eines audiosignals mit einem kompensationswert

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JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
JPH06202695A (ja) * 1993-01-07 1994-07-22 Sony Corp 音声信号処理装置
JP3341440B2 (ja) * 1994-02-04 2002-11-05 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体
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JPH0946233A (ja) * 1995-07-31 1997-02-14 Kokusai Electric Co Ltd 音声符号化方法とその装置、音声復号方法とその装置
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DE19730129C2 (de) * 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
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JP3404350B2 (ja) * 2000-03-06 2003-05-06 パナソニック モバイルコミュニケーションズ株式会社 音声符号化パラメータ取得方法、音声復号方法及び装置
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FR2815492B1 (fr) * 2000-10-13 2003-02-14 Thomson Csf Systeme et procede de radiodiffusion assurant une continuite de service
EP1199711A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite
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JP4300800B2 (ja) * 2000-12-22 2009-07-22 ソニー株式会社 符号化装置および方法、復号装置および方法、並びに記録媒体
JP4506039B2 (ja) * 2001-06-15 2010-07-21 ソニー株式会社 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
JP4265401B2 (ja) * 2001-06-15 2009-05-20 ソニー株式会社 符号化装置および符号化方法

Also Published As

Publication number Publication date
JP4296752B2 (ja) 2009-07-15
KR100941011B1 (ko) 2010-02-05
KR20040101180A (ko) 2004-12-02
WO2003096325A1 (en) 2003-11-20
CN1256715C (zh) 2006-05-17
US7428489B2 (en) 2008-09-23
EP1503370A4 (de) 2007-08-22
JP2003323198A (ja) 2003-11-14
US20040196770A1 (en) 2004-10-07
CN1629936A (zh) 2005-06-22
EP1503370B1 (de) 2010-03-17
CN1524261A (zh) 2004-08-25
CN1302458C (zh) 2007-02-28
EP1503370A1 (de) 2005-02-02

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