CN100559465C - 保真度优化的可变帧长编码 - Google Patents

保真度优化的可变帧长编码 Download PDF

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Publication number
CN100559465C
CN100559465C CNB2004800186630A CN200480018663A CN100559465C CN 100559465 C CN100559465 C CN 100559465C CN B2004800186630 A CNB2004800186630 A CN B2004800186630A CN 200480018663 A CN200480018663 A CN 200480018663A CN 100559465 C CN100559465 C CN 100559465C
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signal
coding
mrow
mono
frame
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Chinese (zh)
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CN1816847A (zh
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S·布鲁恩
I·约翰松
A·塔莱布
D·恩斯特伦
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Endoscopes (AREA)
CNB2004800186630A 2003-12-19 2004-12-15 保真度优化的可变帧长编码 Active CN100559465C (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE03035011 2003-12-19
SE0303501A SE0303501D0 (sv) 2003-12-19 2003-12-19 Filter-based parametric multi-channel coding
SE0400417A SE527670C2 (sv) 2003-12-19 2004-02-20 Naturtrogenhetsoptimerad kodning med variabel ramlängd
SE04004172 2004-02-20
PCT/SE2004/001867 WO2005059899A1 (en) 2003-12-19 2004-12-15 Fidelity-optimised variable frame length encoding

Related Child Applications (1)

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CN200710138487XA Division CN101118747B (zh) 2003-12-19 2004-12-15 保真度优化的预回声抑制编码

Publications (2)

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CN1816847A CN1816847A (zh) 2006-08-09
CN100559465C true CN100559465C (zh) 2009-11-11

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CN200710138487XA Expired - Fee Related CN101118747B (zh) 2003-12-19 2004-12-15 保真度优化的预回声抑制编码
CNB2004800186630A Active CN100559465C (zh) 2003-12-19 2004-12-15 保真度优化的可变帧长编码

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EP (2) EP1623411B1 (ru)
JP (2) JP4335917B2 (ru)
CN (2) CN101118747B (ru)
AT (2) ATE371924T1 (ru)
AU (1) AU2004298708B2 (ru)
BR (2) BRPI0410856B8 (ru)
CA (2) CA2527971C (ru)
DE (2) DE602004023240D1 (ru)
HK (2) HK1091585A1 (ru)
MX (1) MXPA05012230A (ru)
PL (1) PL1623411T3 (ru)
RU (2) RU2305870C2 (ru)
SE (1) SE527670C2 (ru)
WO (1) WO2005059899A1 (ru)
ZA (1) ZA200508980B (ru)

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US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
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US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
KR100857117B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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EP2124486A1 (de) * 2008-05-13 2009-11-25 Clemens Par Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals
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US20110137661A1 (en) * 2008-08-08 2011-06-09 Panasonic Corporation Quantizing device, encoding device, quantizing method, and encoding method
WO2010031951A1 (fr) * 2008-09-17 2010-03-25 France Telecom Attenuation de pre-echos dans un signal audionumerique
JP5309944B2 (ja) 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
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CN107742521B (zh) 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
CN109215668B (zh) * 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN110728986B (zh) 2018-06-29 2022-10-18 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
CN112233682B (zh) * 2019-06-29 2024-07-16 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

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US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
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US20030061055A1 (en) * 2001-05-08 2003-03-27 Rakesh Taori Audio coding

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Also Published As

Publication number Publication date
RU2005134365A (ru) 2006-05-27
WO2005059899A1 (en) 2005-06-30
EP1845519A2 (en) 2007-10-17
JP2008026914A (ja) 2008-02-07
RU2007121143A (ru) 2008-12-10
EP1623411B1 (en) 2007-08-29
DE602004023240D1 (de) 2009-10-29
CN1816847A (zh) 2006-08-09
BRPI0410856B8 (pt) 2019-10-15
SE0400417D0 (sv) 2004-02-20
HK1115665A1 (en) 2008-12-05
JP2007529021A (ja) 2007-10-18
CA2690885C (en) 2014-01-21
EP1845519A3 (en) 2007-11-07
CN101118747B (zh) 2011-02-23
ZA200508980B (en) 2007-03-28
BRPI0419281B1 (pt) 2018-08-14
EP1623411A1 (en) 2006-02-08
AU2004298708A1 (en) 2005-06-30
SE527670C2 (sv) 2006-05-09
CA2690885A1 (en) 2005-06-30
AU2004298708B2 (en) 2008-01-03
JP4589366B2 (ja) 2010-12-01
RU2425340C2 (ru) 2011-07-27
HK1091585A1 (en) 2007-01-19
EP1845519B1 (en) 2009-09-16
MXPA05012230A (es) 2006-02-10
ATE371924T1 (de) 2007-09-15
CN101118747A (zh) 2008-02-06
JP4335917B2 (ja) 2009-09-30
SE0400417L (sv) 2005-06-20
CA2527971C (en) 2011-03-15
DE602004008613T2 (de) 2008-06-12
RU2305870C2 (ru) 2007-09-10
CA2527971A1 (en) 2005-06-30
PL1623411T3 (pl) 2008-01-31
DE602004008613D1 (de) 2007-10-11
ATE443317T1 (de) 2009-10-15
BRPI0410856A (pt) 2006-07-04
BRPI0410856B1 (pt) 2019-10-01

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