CN101815992B - 编码和/或解码数字内容 - Google Patents

编码和/或解码数字内容 Download PDF

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Publication number
CN101815992B
CN101815992B CN2007801002708A CN200780100270A CN101815992B CN 101815992 B CN101815992 B CN 101815992B CN 2007801002708 A CN2007801002708 A CN 2007801002708A CN 200780100270 A CN200780100270 A CN 200780100270A CN 101815992 B CN101815992 B CN 101815992B
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China
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digital signal
signal samples
sequence
samples
audio
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CN2007801002708A
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English (en)
Chinese (zh)
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CN101815992A (zh
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格雷戈里·伯恩斯
菲利普·鲁奇曼
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Qualcomm Inc
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Qualcomm Inc
Open Interface North America 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)
CN2007801002708A 2007-08-17 2007-11-08 编码和/或解码数字内容 Expired - Fee Related CN101815992B (zh)

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

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CN101815992A CN101815992A (zh) 2010-08-25
CN101815992B true CN101815992B (zh) 2013-12-25

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US (1) US8521540B2 (enExample)
EP (1) EP2191381B1 (enExample)
JP (1) JP5265682B2 (enExample)
KR (1) KR20100083126A (enExample)
CN (1) CN101815992B (enExample)
TW (1) TW200923913A (enExample)
WO (1) WO2009025676A1 (enExample)

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Also Published As

Publication number Publication date
US8521540B2 (en) 2013-08-27
US20090048852A1 (en) 2009-02-19
CN101815992A (zh) 2010-08-25
KR20100083126A (ko) 2010-07-21
EP2191381A1 (en) 2010-06-02
JP2010537245A (ja) 2010-12-02
EP2191381B1 (en) 2013-01-02
WO2009025676A1 (en) 2009-02-26
JP5265682B2 (ja) 2013-08-14
EP2191381A4 (en) 2010-09-15
TW200923913A (en) 2009-06-01

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