CN102148035B - 使用复值滤波器组的音频信号的编码和解码 - Google Patents

使用复值滤波器组的音频信号的编码和解码 Download PDF

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Publication number
CN102148035B
CN102148035B CN201110040478.3A CN201110040478A CN102148035B CN 102148035 B CN102148035 B CN 102148035B CN 201110040478 A CN201110040478 A CN 201110040478A CN 102148035 B CN102148035 B CN 102148035B
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subband
signal
time domain
generating
domain audio
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CN102148035A (zh
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L.F.威勒摩斯
E.G.P.舒伊杰斯
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Koninklijke Philips NV
Dolby International 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
    • G10L19/02—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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  • Engineering & Computer Science (AREA)
  • 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)
CN201110040478.3A 2004-11-02 2005-10-31 使用复值滤波器组的音频信号的编码和解码 Expired - Lifetime CN102148035B (zh)

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EP04105457.8 2004-11-02
EP04105457 2004-11-02
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CN (2) CN102148035B (enExample)
BR (1) BRPI0517234B1 (enExample)
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Publication number Publication date
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
CN101053019A (zh) 2007-10-10
MX2007005103A (es) 2007-07-04
WO2006048814A1 (en) 2006-05-11
CN102148035A (zh) 2011-08-10
KR101187597B1 (ko) 2012-10-12
RU2007120591A (ru) 2008-12-10

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Address after: Holland Ian Deho Finn

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