DE60325314D1 - Kodierung und Dekodierung von mehrkanaligen Tonsignalen - Google Patents

Kodierung und Dekodierung von mehrkanaligen Tonsignalen

Info

Publication number
DE60325314D1
DE60325314D1 DE60325314T DE60325314T DE60325314D1 DE 60325314 D1 DE60325314 D1 DE 60325314D1 DE 60325314 T DE60325314 T DE 60325314T DE 60325314 T DE60325314 T DE 60325314T DE 60325314 D1 DE60325314 D1 DE 60325314D1
Authority
DE
Germany
Prior art keywords
decoding
coding
channel audio
audio signals
audio data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60325314T
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German (de)
English (en)
Inventor
Naveen Thumpudi
Wei-Ge Chen
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Microsoft Corp
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Microsoft Corp
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Publication date
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Publication of DE60325314D1 publication Critical patent/DE60325314D1/de
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • 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
    • G10L19/0212—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 orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60325314T 2002-09-04 2003-09-04 Kodierung und Dekodierung von mehrkanaligen Tonsignalen Expired - Lifetime DE60325314D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40851702P 2002-09-04 2002-09-04
US10/642,550 US7502743B2 (en) 2002-09-04 2003-08-15 Multi-channel audio encoding and decoding with multi-channel transform selection

Publications (1)

Publication Number Publication Date
DE60325314D1 true DE60325314D1 (de) 2009-01-29

Family

ID=31997748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60325314T Expired - Lifetime DE60325314D1 (de) 2002-09-04 2003-09-04 Kodierung und Dekodierung von mehrkanaligen Tonsignalen

Country Status (6)

Country Link
US (7) US7502743B2 (enExample)
EP (2) EP2028648B1 (enExample)
JP (2) JP4676139B2 (enExample)
AT (1) ATE418137T1 (enExample)
DE (1) DE60325314D1 (enExample)
ES (1) ES2316678T3 (enExample)

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