HK1101634A1 - Method and apparatus for coding and synthesizing multi-channel audio signal - Google Patents

Method and apparatus for coding and synthesizing multi-channel audio signal

Info

Publication number
HK1101634A1
HK1101634A1 HK07106238.2A HK07106238A HK1101634A1 HK 1101634 A1 HK1101634 A1 HK 1101634A1 HK 07106238 A HK07106238 A HK 07106238A HK 1101634 A1 HK1101634 A1 HK 1101634A1
Authority
HK
Hong Kong
Prior art keywords
frequency
channels
coding
audio
channel
Prior art date
Application number
HK07106238.2A
Other languages
English (en)
Inventor
Christof Faller
Juergen Herre
Original Assignee
Agere Systems Inc
Fraunhofer Ges Forschung
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 Agere Systems Inc, Fraunhofer Ges Forschung filed Critical Agere Systems Inc
Publication of HK1101634A1 publication Critical patent/HK1101634A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK07106238.2A 2004-03-04 2007-06-12 Method and apparatus for coding and synthesizing multi-channel audio signal HK1101634A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54997204P 2004-03-04 2004-03-04
US10/827,900 US7805313B2 (en) 2004-03-04 2004-04-20 Frequency-based coding of channels in parametric multi-channel coding systems
PCT/US2005/005605 WO2005094125A1 (en) 2004-03-04 2005-02-23 Frequency-based coding of audio channels in parametric multi-channel coding systems

Publications (1)

Publication Number Publication Date
HK1101634A1 true HK1101634A1 (en) 2007-10-18

Family

ID=34915657

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07106238.2A HK1101634A1 (en) 2004-03-04 2007-06-12 Method and apparatus for coding and synthesizing multi-channel audio signal

Country Status (16)

Country Link
US (1) US7805313B2 (de)
EP (1) EP1721489B1 (de)
JP (1) JP4418493B2 (de)
KR (1) KR100717598B1 (de)
AT (1) ATE373402T1 (de)
AU (1) AU2005226536B2 (de)
BR (1) BRPI0508146B1 (de)
CA (1) CA2557993C (de)
DE (1) DE602005002463T2 (de)
ES (1) ES2293556T3 (de)
HK (1) HK1101634A1 (de)
MX (1) MXPA06009931A (de)
NO (1) NO340421B1 (de)
PT (1) PT1721489E (de)
TW (1) TWI376967B (de)
WO (1) WO2005094125A1 (de)

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CA2557993A1 (en) 2005-10-06
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CA2557993C (en) 2012-11-27
PT1721489E (pt) 2007-12-21
US7805313B2 (en) 2010-09-28
AU2005226536B2 (en) 2008-09-04
TWI376967B (en) 2012-11-11
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ATE373402T1 (de) 2007-09-15
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TW200603653A (en) 2006-01-16
WO2005094125A1 (en) 2005-10-06
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BRPI0508146A (pt) 2007-07-31
MXPA06009931A (es) 2007-03-21
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