JP4943418B2 - スケーラブルマルチチャネル音声符号化方法 - Google Patents

スケーラブルマルチチャネル音声符号化方法 Download PDF

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JP4943418B2
JP4943418B2 JP2008503630A JP2008503630A JP4943418B2 JP 4943418 B2 JP4943418 B2 JP 4943418B2 JP 2008503630 A JP2008503630 A JP 2008503630A JP 2008503630 A JP2008503630 A JP 2008503630A JP 4943418 B2 JP4943418 B2 JP 4943418B2
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spatial
signal
audio signals
spatial parameter
parameter
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JP2008535014A5 (enExample
JP2008535014A (ja
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フランソワ ピー マイブルグ
エリク ジー ピー スフエイエルス
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
JP2008503630A 2005-03-30 2006-03-16 スケーラブルマルチチャネル音声符号化方法 Expired - Lifetime JP4943418B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05102506 2005-03-30
EP05102506.2 2005-03-30
EP05103077.3 2005-04-18
EP05103077 2005-04-18
PCT/IB2006/050819 WO2006103581A1 (en) 2005-03-30 2006-03-16 Scalable multi-channel audio coding

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JP2008535014A JP2008535014A (ja) 2008-08-28
JP2008535014A5 JP2008535014A5 (enExample) 2009-05-07
JP4943418B2 true JP4943418B2 (ja) 2012-05-30

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US (2) US8036904B2 (enExample)
EP (1) EP1866911B1 (enExample)
JP (1) JP4943418B2 (enExample)
KR (1) KR101315077B1 (enExample)
CN (1) CN101151659B (enExample)
AT (1) ATE470930T1 (enExample)
BR (1) BRPI0608753B1 (enExample)
DE (1) DE602006014809D1 (enExample)
ES (1) ES2347274T3 (enExample)
PL (1) PL1866911T3 (enExample)
RU (1) RU2416129C2 (enExample)
WO (1) WO2006103581A1 (enExample)

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Also Published As

Publication number Publication date
RU2007139921A (ru) 2009-05-10
PL1866911T3 (pl) 2010-12-31
US20120063604A1 (en) 2012-03-15
RU2416129C2 (ru) 2011-04-10
US8352280B2 (en) 2013-01-08
JP2008535014A (ja) 2008-08-28
WO2006103581A1 (en) 2006-10-05
ATE470930T1 (de) 2010-06-15
BRPI0608753B1 (pt) 2019-12-24
CN101151659A (zh) 2008-03-26
KR20070116170A (ko) 2007-12-06
EP1866911B1 (en) 2010-06-09
BRPI0608753A2 (pt) 2011-03-15
EP1866911A1 (en) 2007-12-19
KR101315077B1 (ko) 2013-10-08
CN101151659B (zh) 2014-02-05
US8036904B2 (en) 2011-10-11
US20080195397A1 (en) 2008-08-14
ES2347274T3 (es) 2010-10-27
DE602006014809D1 (de) 2010-07-22

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