CN1302458C - 解码方法和解码装置 - Google Patents

解码方法和解码装置 Download PDF

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Publication number
CN1302458C
CN1302458C CNB2004101000522A CN200410100052A CN1302458C CN 1302458 C CN1302458 C CN 1302458C CN B2004101000522 A CNB2004101000522 A CN B2004101000522A CN 200410100052 A CN200410100052 A CN 200410100052A CN 1302458 C CN1302458 C CN 1302458C
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spectrum
power
power compensation
decoding
encoding
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Chinese (zh)
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CN1629936A (zh
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东山惠佑
铃木志朗
辻实
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Sony Corp
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Sony Corp
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNB2004101000522A 2002-05-07 2003-04-30 解码方法和解码装置 Expired - Fee Related CN1302458C (zh)

Applications Claiming Priority (3)

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JP132188/2002 2002-05-07
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
JP132188/02 2002-05-07

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CNB038006200A Division CN1256715C (zh) 2002-05-07 2003-04-30 编码方法、编码装置、解码方法、和解码装置

Publications (2)

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CN1629936A CN1629936A (zh) 2005-06-22
CN1302458C true CN1302458C (zh) 2007-02-28

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CNB2004101000522A Expired - Fee Related CN1302458C (zh) 2002-05-07 2003-04-30 解码方法和解码装置
CNB038006200A Expired - Fee Related CN1256715C (zh) 2002-05-07 2003-04-30 编码方法、编码装置、解码方法、和解码装置

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US (1) US7428489B2 (https=)
EP (1) EP1503370B1 (https=)
JP (1) JP4296752B2 (https=)
KR (1) KR100941011B1 (https=)
CN (2) CN1302458C (https=)
DE (1) DE60331729D1 (https=)
WO (1) WO2003096325A1 (https=)

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JP5161109B2 (ja) * 2006-01-19 2013-03-13 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
KR20080093422A (ko) * 2006-02-09 2008-10-21 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치
US7991494B2 (en) * 2006-02-23 2011-08-02 Lg Electronics Inc. Method and apparatus for processing an audio signal
TWI340600B (en) * 2006-03-30 2011-04-11 Lg Electronics Inc Method for processing an audio signal, method of encoding an audio signal and apparatus thereof
EP1870880B1 (en) 2006-06-19 2010-04-07 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
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
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
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
AU2014360038B2 (en) 2013-12-02 2017-11-02 Huawei Technologies Co., Ltd. Encoding method and apparatus
EP3288031A1 (en) 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding an audio signal using a compensation value

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JPH08223049A (ja) * 1995-02-14 1996-08-30 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
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JPH09261064A (ja) * 1996-03-26 1997-10-03 Mitsubishi Electric Corp 符号器及び復号器
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Also Published As

Publication number Publication date
KR20040101180A (ko) 2004-12-02
CN1256715C (zh) 2006-05-17
DE60331729D1 (de) 2010-04-29
WO2003096325A1 (fr) 2003-11-20
EP1503370A1 (en) 2005-02-02
CN1629936A (zh) 2005-06-22
CN1524261A (zh) 2004-08-25
EP1503370B1 (en) 2010-03-17
KR100941011B1 (ko) 2010-02-05
JP2003323198A (ja) 2003-11-14
EP1503370A4 (en) 2007-08-22
US7428489B2 (en) 2008-09-23
JP4296752B2 (ja) 2009-07-15
US20040196770A1 (en) 2004-10-07

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