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GR3032444T3 - Process for coding and decoding stereophonic spectral values - Google Patents

Process for coding and decoding stereophonic spectral values

Info

Publication number
GR3032444T3
GR3032444T3 GR20000400139T GR20000400139T GR3032444T3 GR 3032444 T3 GR3032444 T3 GR 3032444T3 GR 20000400139 T GR20000400139 T GR 20000400139T GR 20000400139 T GR20000400139 T GR 20000400139T GR 3032444 T3 GR3032444 T3 GR 3032444T3
Authority
GR
Greece
Prior art keywords
spectral values
code book
coding
stereo audio
coded
Prior art date
Application number
GR20000400139T
Other languages
English (en)
Inventor
Uwe Gbur
Martin Dietz
Bodo Teichmann
Karlheinz Brandenburg
Heinz Gerhaeuser
Juergen Herre
James Johnston
Original Assignee
Fraunhofer Ges Forschung
At & T Lab Research
Lucent Technologies Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7799742&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR3032444(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung, At & T Lab Research, Lucent Technologies Inc filed Critical Fraunhofer Ges Forschung
Publication of GR3032444T3 publication Critical patent/GR3032444T3/el

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 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
GR20000400139T 1996-07-12 2000-01-20 Process for coding and decoding stereophonic spectral values GR3032444T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628292A DE19628292B4 (de) 1996-07-12 1996-07-12 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
PCT/EP1997/002874 WO1998003036A1 (de) 1996-07-12 1997-06-03 Verfahren zum codieren und decodieren von stereoaudiospektralwerten

Publications (1)

Publication Number Publication Date
GR3032444T3 true GR3032444T3 (en) 2000-05-31

Family

ID=7799742

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20000400139T GR3032444T3 (en) 1996-07-12 2000-01-20 Process for coding and decoding stereophonic spectral values

Country Status (14)

Country Link
US (1) US6771777B1 (el)
EP (1) EP0910927B1 (el)
JP (1) JP3622982B2 (el)
KR (1) KR100316582B1 (el)
AT (1) ATE188832T1 (el)
AU (1) AU712196B2 (el)
CA (1) CA2260090C (el)
DE (2) DE19628292B4 (el)
DK (1) DK0910927T3 (el)
ES (1) ES2143868T3 (el)
GR (1) GR3032444T3 (el)
NO (1) NO317570B1 (el)
PT (1) PT910927E (el)
WO (1) WO1998003036A1 (el)

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US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
KR100851970B1 (ko) 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US7684981B2 (en) 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
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Also Published As

Publication number Publication date
DE19628292B4 (de) 2007-08-02
KR20000022435A (ko) 2000-04-25
CA2260090A1 (en) 1998-01-22
NO990106D0 (no) 1999-01-11
WO1998003036A1 (de) 1998-01-22
NO317570B1 (no) 2004-11-15
DE59701014D1 (de) 2000-02-17
JP2000505266A (ja) 2000-04-25
PT910927E (pt) 2000-04-28
JP3622982B2 (ja) 2005-02-23
NO990106L (no) 1999-03-10
KR100316582B1 (ko) 2002-02-28
ATE188832T1 (de) 2000-01-15
AU3031897A (en) 1998-02-09
US6771777B1 (en) 2004-08-03
AU712196B2 (en) 1999-10-28
DE19628292A1 (de) 1998-01-15
DK0910927T3 (da) 2000-05-08
EP0910927A1 (de) 1999-04-28
CA2260090C (en) 2000-10-17
EP0910927B1 (de) 2000-01-12
ES2143868T3 (es) 2000-05-16

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