HK1106606A1 - Stereo compatible multi-channel audio coding - Google Patents

Stereo compatible multi-channel audio coding

Info

Publication number
HK1106606A1
HK1106606A1 HK07111849A HK07111849A HK1106606A1 HK 1106606 A1 HK1106606 A1 HK 1106606A1 HK 07111849 A HK07111849 A HK 07111849A HK 07111849 A HK07111849 A HK 07111849A HK 1106606 A1 HK1106606 A1 HK 1106606A1
Authority
HK
Hong Kong
Prior art keywords
channel audio
stereo
audio coding
parametric representation
compatible multi
Prior art date
Application number
HK07111849A
Other languages
English (en)
Inventor
Purnhagen Heiko
Breebaart Jeroen
Schuijers Erik
Villemoes Lars
Roiden Jonas
Engdegard Jonas
Original Assignee
Koninkl Philips Electronics Nv
Coding Tech 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 Koninkl Philips Electronics Nv, Coding Tech Ab filed Critical Koninkl Philips Electronics Nv
Publication of HK1106606A1 publication Critical patent/HK1106606A1/xx

Links

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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (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)
HK07111849A 2004-11-02 2007-11-01 Stereo compatible multi-channel audio coding HK1106606A1 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
HK1106606A1 true HK1106606A1 (en) 2008-03-14

Family

ID=33448766

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07111849A HK1106606A1 (en) 2004-11-02 2007-11-01 Stereo compatible multi-channel audio coding

Country Status (13)

Country Link
US (2) US7916873B2 (xx)
EP (1) EP1784819B1 (xx)
JP (1) JP4616349B2 (xx)
KR (1) KR100936498B1 (xx)
CN (1) CN101036183B (xx)
AT (1) ATE393951T1 (xx)
DE (1) DE602005006424T2 (xx)
ES (1) ES2306235T3 (xx)
HK (1) HK1106606A1 (xx)
RU (1) RU2381570C2 (xx)
SE (1) SE0402650D0 (xx)
TW (1) TWI330825B (xx)
WO (1) WO2006048226A1 (xx)

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ATE393951T1 (de) 2008-05-15
TWI330825B (en) 2010-09-21
WO2006048226A1 (en) 2006-05-11
CN101036183A (zh) 2007-09-12
CN101036183B (zh) 2011-06-01
US7916873B2 (en) 2011-03-29
KR20070051915A (ko) 2007-05-18
KR100936498B1 (ko) 2010-01-13
US20110211703A1 (en) 2011-09-01
DE602005006424T2 (de) 2009-05-28
DE602005006424D1 (de) 2008-06-12
US20060133618A1 (en) 2006-06-22
RU2007120634A (ru) 2008-12-10
JP2008519301A (ja) 2008-06-05
EP1784819B1 (en) 2008-04-30
TW200627379A (en) 2006-08-01
US8654985B2 (en) 2014-02-18
EP1784819A1 (en) 2007-05-16
RU2381570C2 (ru) 2010-02-10
JP4616349B2 (ja) 2011-01-19
ES2306235T3 (es) 2008-11-01
SE0402650D0 (sv) 2004-11-02

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