KR101187597B1 - 복소수 값 필터 뱅크들을 사용하는 오디오 신호들의 인코딩및 디코딩 - Google Patents

복소수 값 필터 뱅크들을 사용하는 오디오 신호들의 인코딩및 디코딩 Download PDF

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KR101187597B1
KR101187597B1 KR1020077012506A KR20077012506A KR101187597B1 KR 101187597 B1 KR101187597 B1 KR 101187597B1 KR 1020077012506 A KR1020077012506 A KR 1020077012506A KR 20077012506 A KR20077012506 A KR 20077012506A KR 101187597 B1 KR101187597 B1 KR 101187597B1
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랄스 에프. 빌레모에스
에릭 지이. 피. 츄이절스
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돌비 인터네셔널 에이비
코닌클리케 필립스 일렉트로닉스 엔.브이.
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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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition
    • 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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020077012506A 2004-11-02 2005-10-31 복소수 값 필터 뱅크들을 사용하는 오디오 신호들의 인코딩및 디코딩 Expired - Lifetime KR101187597B1 (ko)

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EP04105457.8 2004-11-02
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EP05108293 2005-09-09
EP05108293.1 2005-09-09
PCT/IB2005/053545 WO2006048814A1 (en) 2004-11-02 2005-10-31 Encoding and decoding of audio signals using complex-valued filter banks

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KR20070085681A (ko) 2007-08-27
EP1810281B1 (en) 2020-02-26
US8255231B2 (en) 2012-08-28
JP2008519290A (ja) 2008-06-05
EP1810281A1 (en) 2007-07-25
ES2791001T3 (es) 2020-10-30
US20090063140A1 (en) 2009-03-05
CN101053019B (zh) 2012-01-25
BRPI0517234A (pt) 2008-10-07
JP4939424B2 (ja) 2012-05-23
PL1810281T3 (pl) 2020-07-27
RU2407069C2 (ru) 2010-12-20
BRPI0517234B1 (pt) 2019-07-02
CN102148035B (zh) 2014-06-18
CN101053019A (zh) 2007-10-10
MX2007005103A (es) 2007-07-04
WO2006048814A1 (en) 2006-05-11
CN102148035A (zh) 2011-08-10
RU2007120591A (ru) 2008-12-10

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