ATE393951T1 - Stereokompatible mehrkanal-audiokodierung - Google Patents

Stereokompatible mehrkanal-audiokodierung

Info

Publication number
ATE393951T1
ATE393951T1 AT05798859T AT05798859T ATE393951T1 AT E393951 T1 ATE393951 T1 AT E393951T1 AT 05798859 T AT05798859 T AT 05798859T AT 05798859 T AT05798859 T AT 05798859T AT E393951 T1 ATE393951 T1 AT E393951T1
Authority
AT
Austria
Prior art keywords
channel audio
stereo
audio encoding
parametric representation
compatible multi
Prior art date
Application number
AT05798859T
Other languages
English (en)
Inventor
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
Lars Villemoes
Jonas Roeden
Jonas Engdegard
Original Assignee
Coding Tech Ab
Koninkl Philips Electronics Nv
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 Coding Tech Ab, Koninkl Philips Electronics Nv filed Critical Coding Tech Ab
Application granted granted Critical
Publication of ATE393951T1 publication Critical patent/ATE393951T1/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
    • 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
    • G10L19/04—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transceivers (AREA)
AT05798859T 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung ATE393951T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0402650A SE0402650D0 (sv) 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio

Publications (1)

Publication Number Publication Date
ATE393951T1 true ATE393951T1 (de) 2008-05-15

Family

ID=33448766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05798859T ATE393951T1 (de) 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung

Country Status (12)

Country Link
US (2) US7916873B2 (de)
EP (1) EP1784819B1 (de)
JP (1) JP4616349B2 (de)
KR (1) KR100936498B1 (de)
CN (1) CN101036183B (de)
AT (1) ATE393951T1 (de)
DE (1) DE602005006424T2 (de)
ES (1) ES2306235T3 (de)
RU (1) RU2381570C2 (de)
SE (1) SE0402650D0 (de)
TW (1) TWI330825B (de)
WO (1) WO2006048226A1 (de)

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US20060133618A1 (en) 2006-06-22
SE0402650D0 (sv) 2004-11-02
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EP1784819B1 (de) 2008-04-30
DE602005006424T2 (de) 2009-05-28
WO2006048226A1 (en) 2006-05-11
TW200627379A (en) 2006-08-01
HK1106606A1 (en) 2008-03-14
US7916873B2 (en) 2011-03-29
JP4616349B2 (ja) 2011-01-19
US20110211703A1 (en) 2011-09-01
TWI330825B (en) 2010-09-21
ES2306235T3 (es) 2008-11-01
KR20070051915A (ko) 2007-05-18
EP1784819A1 (de) 2007-05-16
CN101036183B (zh) 2011-06-01
JP2008519301A (ja) 2008-06-05
CN101036183A (zh) 2007-09-12
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US8654985B2 (en) 2014-02-18
RU2007120634A (ru) 2008-12-10

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