SE0400997D0 - Efficient coding of multi-channel audio - Google Patents

Efficient coding of multi-channel audio

Info

Publication number
SE0400997D0
SE0400997D0 SE0400997A SE0400997A SE0400997D0 SE 0400997 D0 SE0400997 D0 SE 0400997D0 SE 0400997 A SE0400997 A SE 0400997A SE 0400997 A SE0400997 A SE 0400997A SE 0400997 D0 SE0400997 D0 SE 0400997D0
Authority
SE
Sweden
Prior art keywords
parameter information
direction parameter
channel audio
efficient coding
controlled
Prior art date
Application number
SE0400997A
Other languages
English (en)
Swedish (sv)
Inventor
Jonas Roeden
Fredrik Henn
Original Assignee
Cooding 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 Cooding Technologies Sweden Ab filed Critical Cooding Technologies Sweden Ab
Priority to SE0400997A priority Critical patent/SE0400997D0/xx
Publication of SE0400997D0 publication Critical patent/SE0400997D0/xx
Priority to PCT/EP2005/003950 priority patent/WO2005101905A1/en
Priority to JP2007507759A priority patent/JP4688867B2/ja
Priority to EP05730925.4A priority patent/EP1745676B1/en
Priority to KR1020067021440A priority patent/KR100855561B1/ko
Priority to CN2005800170783A priority patent/CN1957640B/zh
Priority to US11/549,939 priority patent/US8194861B2/en
Priority to HK07107843.7A priority patent/HK1101848A1/xx
Priority to JP2010029362A priority patent/JP5165707B2/ja

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)
  • Acoustics & Sound (AREA)
  • Signal Processing (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)
SE0400997A 2004-04-16 2004-04-16 Efficient coding of multi-channel audio SE0400997D0 (sv)

Priority Applications (9)

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
JP2007507759A JP4688867B2 (ja) 2004-04-16 2005-04-14 低ビットレート用パラメトリック表現の生成方法
EP05730925.4A EP1745676B1 (en) 2004-04-16 2005-04-14 Scheme for generating a parametric representation for low-bit rate applications
KR1020067021440A KR100855561B1 (ko) 2004-04-16 2005-04-14 로우-비트 레이트 애플리케이션용 파라메트릭 표현을생성하는 방법
CN2005800170783A CN1957640B (zh) 2004-04-16 2005-04-14 用于生成对低位速率应用的参数表示的方案
US11/549,939 US8194861B2 (en) 2004-04-16 2006-10-16 Scheme for generating a parametric representation for low-bit rate applications
HK07107843.7A HK1101848A1 (en) 2004-04-16 2007-07-20 Scheme for generating a parametric representation for low-bit rate applications
JP2010029362A JP5165707B2 (ja) 2004-04-16 2010-02-12 低ビットレート用パラメトリック表現の生成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0400997A SE0400997D0 (sv) 2004-04-16 2004-04-16 Efficient coding of multi-channel audio

Publications (1)

Publication Number Publication Date
SE0400997D0 true SE0400997D0 (sv) 2004-04-16

Family

ID=32294333

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0400997A SE0400997D0 (sv) 2004-04-16 2004-04-16 Efficient coding of multi-channel audio

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
EP1745676A1 (en) 2007-01-24
US20070127733A1 (en) 2007-06-07
CN1957640A (zh) 2007-05-02
HK1101848A1 (en) 2007-10-26
WO2005101905A1 (en) 2005-10-27
JP2007533221A (ja) 2007-11-15
JP4688867B2 (ja) 2011-05-25
CN1957640B (zh) 2011-06-29
KR20070001227A (ko) 2007-01-03
US8194861B2 (en) 2012-06-05
JP2010154548A (ja) 2010-07-08
JP5165707B2 (ja) 2013-03-21
KR100855561B1 (ko) 2008-09-01
EP1745676B1 (en) 2013-06-12

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