JP5265682B2 - デジタルコンテンツの符号化および／または復号 - Google Patents

デジタルコンテンツの符号化および／または復号 Download PDF

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Publication number
JP5265682B2
JP5265682B2 JP2010521833A JP2010521833A JP5265682B2 JP 5265682 B2 JP5265682 B2 JP 5265682B2 JP 2010521833 A JP2010521833 A JP 2010521833A JP 2010521833 A JP2010521833 A JP 2010521833A JP 5265682 B2 JP5265682 B2 JP 5265682B2
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digital signal
sequence
signal samples
samples
audio
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JP2010521833A
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Japanese (ja)
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JP2010537245A (ja
JP2010537245A5 (https=
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バーンズ、グレゴリー
ラッチマン、フィリップ
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • 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

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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)
JP2010521833A 2007-08-17 2007-11-08 デジタルコンテンツの符号化および／または復号 Expired - Fee Related JP5265682B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/840,880 2007-08-17
US11/840,880 US8521540B2 (en) 2007-08-17 2007-08-17 Encoding and/or decoding digital signals using a permutation value
PCT/US2007/084187 WO2009025676A1 (en) 2007-08-17 2007-11-08 Encoding and/or decoding digital content

Publications (3)

Publication Number Publication Date
JP2010537245A JP2010537245A (ja) 2010-12-02
JP2010537245A5 JP2010537245A5 (https=) 2012-08-02
JP5265682B2 true JP5265682B2 (ja) 2013-08-14

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JP2010521833A Expired - Fee Related JP5265682B2 (ja) 2007-08-17 2007-11-08 デジタルコンテンツの符号化および／または復号

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Country Link
US (1) US8521540B2 (https=)
EP (1) EP2191381B1 (https=)
JP (1) JP5265682B2 (https=)
KR (1) KR20100083126A (https=)
CN (1) CN101815992B (https=)
TW (1) TW200923913A (https=)
WO (1) WO2009025676A1 (https=)

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Also Published As

Publication number Publication date
US8521540B2 (en) 2013-08-27
TW200923913A (en) 2009-06-01
US20090048852A1 (en) 2009-02-19
KR20100083126A (ko) 2010-07-21
JP2010537245A (ja) 2010-12-02
EP2191381A1 (en) 2010-06-02
CN101815992A (zh) 2010-08-25
EP2191381A4 (en) 2010-09-15
WO2009025676A1 (en) 2009-02-26
EP2191381B1 (en) 2013-01-02
CN101815992B (zh) 2013-12-25

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