HK1101848A1 - Scheme for generating a parametric representation for low-bit rate applications - Google Patents

Scheme for generating a parametric representation for low-bit rate applications

Info

Publication number
HK1101848A1
HK1101848A1 HK07107843.7A HK07107843A HK1101848A1 HK 1101848 A1 HK1101848 A1 HK 1101848A1 HK 07107843 A HK07107843 A HK 07107843A HK 1101848 A1 HK1101848 A1 HK 1101848A1
Authority
HK
Hong Kong
Prior art keywords
generating
low
bit rate
parameter information
parametric representation
Prior art date
Application number
HK07107843.7A
Other languages
English (en)
Inventor
Fredrik Henn
Jonas Roden
Original Assignee
Dolby Int 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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of HK1101848A1 publication Critical patent/HK1101848A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK07107843.7A 2004-04-16 2007-07-20 Scheme for generating a parametric representation for low-bit rate applications HK1101848A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0400997A SE0400997D0 (sv) 2004-04-16 2004-04-16 Efficient coding of multi-channel audio
PCT/EP2005/003950 WO2005101905A1 (en) 2004-04-16 2005-04-14 Scheme for generating a parametric representation for low-bit rate applications

Publications (1)

Publication Number Publication Date
HK1101848A1 true HK1101848A1 (en) 2007-10-26

Family

ID=32294333

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07107843.7A HK1101848A1 (en) 2004-04-16 2007-07-20 Scheme for generating a parametric representation for low-bit rate applications

Country Status (8)

Country Link
US (1) US8194861B2 (xx)
EP (1) EP1745676B1 (xx)
JP (2) JP4688867B2 (xx)
KR (1) KR100855561B1 (xx)
CN (1) CN1957640B (xx)
HK (1) HK1101848A1 (xx)
SE (1) SE0400997D0 (xx)
WO (1) WO2005101905A1 (xx)

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Also Published As

Publication number Publication date
WO2005101905A1 (en) 2005-10-27
US20070127733A1 (en) 2007-06-07
JP4688867B2 (ja) 2011-05-25
JP2007533221A (ja) 2007-11-15
EP1745676A1 (en) 2007-01-24
CN1957640B (zh) 2011-06-29
US8194861B2 (en) 2012-06-05
JP5165707B2 (ja) 2013-03-21
CN1957640A (zh) 2007-05-02
EP1745676B1 (en) 2013-06-12
SE0400997D0 (sv) 2004-04-16
KR100855561B1 (ko) 2008-09-01
JP2010154548A (ja) 2010-07-08
KR20070001227A (ko) 2007-01-03

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