ATE418137T1 - Kodierung und dekodierung von mehrkanaligen tonsignalen - Google Patents

Kodierung und dekodierung von mehrkanaligen tonsignalen

Info

Publication number
ATE418137T1
ATE418137T1 AT03020110T AT03020110T ATE418137T1 AT E418137 T1 ATE418137 T1 AT E418137T1 AT 03020110 T AT03020110 T AT 03020110T AT 03020110 T AT03020110 T AT 03020110T AT E418137 T1 ATE418137 T1 AT E418137T1
Authority
AT
Austria
Prior art keywords
decoding
encoding
channel audio
audio signals
audio data
Prior art date
Application number
AT03020110T
Other languages
German (de)
English (en)
Inventor
Naveen Thumpudi
Wei-Ge Chen
Original Assignee
Microsoft Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE418137T1 publication Critical patent/ATE418137T1/de

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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
    • 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
    • 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)
AT03020110T 2002-09-04 2003-09-04 Kodierung und dekodierung von mehrkanaligen tonsignalen ATE418137T1 (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
ATE418137T1 true ATE418137T1 (de) 2009-01-15

Family

ID=31997748

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03020110T ATE418137T1 (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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US20040049379A1 (en) 2004-03-11
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US8386269B2 (en) 2013-02-26
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