DE602005006424D1 - Stereokompatible mehrkanal-audiokodierung - Google Patents

Stereokompatible mehrkanal-audiokodierung

Info

Publication number
DE602005006424D1
DE602005006424D1 DE602005006424T DE602005006424T DE602005006424D1 DE 602005006424 D1 DE602005006424 D1 DE 602005006424D1 DE 602005006424 T DE602005006424 T DE 602005006424T DE 602005006424 T DE602005006424 T DE 602005006424T DE 602005006424 D1 DE602005006424 D1 DE 602005006424D1
Authority
DE
Germany
Prior art keywords
stereo
audio coding
multichannel audio
parametric representation
spatial parameters
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.)
Active
Application number
DE602005006424T
Other languages
English (en)
Other versions
DE602005006424T2 (de
Inventor
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
Lars Villemoes
Jonas Roeden
Jonas Engdegard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Coding Technologies Sweden AB
Original Assignee
Koninklijke Philips Electronics NV
Coding Technologies Sweden AB
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 Koninklijke Philips Electronics NV, Coding Technologies Sweden AB filed Critical Koninklijke Philips Electronics NV
Publication of DE602005006424D1 publication Critical patent/DE602005006424D1/de
Application granted granted Critical
Publication of DE602005006424T2 publication Critical patent/DE602005006424T2/de
Active legal-status Critical Current
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
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transceivers (AREA)
DE602005006424T 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung Active DE602005006424T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0402650A SE0402650D0 (sv) 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio
SE0402650 2004-11-02
PCT/EP2005/011663 WO2006048226A1 (en) 2004-11-02 2005-10-31 Stereo compatible multi-channel audio coding

Publications (2)

Publication Number Publication Date
DE602005006424D1 true DE602005006424D1 (de) 2008-06-12
DE602005006424T2 DE602005006424T2 (de) 2009-05-28

Family

ID=33448766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006424T Active DE602005006424T2 (de) 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung

Country Status (13)

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)
HK (1) HK1106606A1 (de)
RU (1) RU2381570C2 (de)
SE (1) SE0402650D0 (de)
TW (1) TWI330825B (de)
WO (1) WO2006048226A1 (de)

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ATE393951T1 (de) 2008-05-15
EP1784819B1 (de) 2008-04-30
SE0402650D0 (sv) 2004-11-02
WO2006048226A1 (en) 2006-05-11
US7916873B2 (en) 2011-03-29
TW200627379A (en) 2006-08-01
JP4616349B2 (ja) 2011-01-19
TWI330825B (en) 2010-09-21
EP1784819A1 (de) 2007-05-16
RU2007120634A (ru) 2008-12-10
CN101036183A (zh) 2007-09-12
US8654985B2 (en) 2014-02-18
HK1106606A1 (en) 2008-03-14
US20060133618A1 (en) 2006-06-22
DE602005006424T2 (de) 2009-05-28
CN101036183B (zh) 2011-06-01
ES2306235T3 (es) 2008-11-01
KR20070051915A (ko) 2007-05-18
JP2008519301A (ja) 2008-06-05
RU2381570C2 (ru) 2010-02-10
KR100936498B1 (ko) 2010-01-13
US20110211703A1 (en) 2011-09-01

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