DE59701014D1 - Verfahren zum codieren und decodieren von stereoaudiospektralwerten - Google Patents

Verfahren zum codieren und decodieren von stereoaudiospektralwerten

Info

Publication number
DE59701014D1
DE59701014D1 DE59701014T DE59701014T DE59701014D1 DE 59701014 D1 DE59701014 D1 DE 59701014D1 DE 59701014 T DE59701014 T DE 59701014T DE 59701014 T DE59701014 T DE 59701014T DE 59701014 D1 DE59701014 D1 DE 59701014D1
Authority
DE
Germany
Prior art keywords
spectral values
code book
stereo audio
audio spectral
coding
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE59701014T
Other languages
English (en)
Inventor
Uwe Gbur
Martin Dietz
Bodo Teichmann
Karlheinz Brandenburg
Heinz Gerhaeuser
Juergen Herre
James Johnston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
AT&T Labs Inc
Nokia of America Corp
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Lucent Technologies Inc
AT&T Labs 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=DE59701014(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV, Lucent Technologies Inc, AT&T Labs Inc filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to DE59701014T priority Critical patent/DE59701014D1/de
Application granted granted Critical
Publication of DE59701014D1 publication Critical patent/DE59701014D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE59701014T 1996-07-12 1997-06-03 Verfahren zum codieren und decodieren von stereoaudiospektralwerten Expired - Lifetime DE59701014D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59701014T DE59701014D1 (de) 1996-07-12 1997-06-03 Verfahren zum codieren und decodieren von stereoaudiospektralwerten

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19628292A DE19628292B4 (de) 1996-07-12 1996-07-12 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE59701014T DE59701014D1 (de) 1996-07-12 1997-06-03 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
DE59701014D1 true DE59701014D1 (de) 2000-02-17

Family

ID=7799742

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19628292A Expired - Lifetime DE19628292B4 (de) 1996-07-12 1996-07-12 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE59701014T Expired - Lifetime DE59701014D1 (de) 1996-07-12 1997-06-03 Verfahren zum codieren und decodieren von stereoaudiospektralwerten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19628292A Expired - Lifetime DE19628292B4 (de) 1996-07-12 1996-07-12 Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten

Country Status (14)

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

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US7688894B2 (en) * 2003-09-07 2010-03-30 Microsoft Corporation Scan patterns for interlaced video content
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KR101315077B1 (ko) * 2005-03-30 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들
US7539612B2 (en) 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7630882B2 (en) 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
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
US7562021B2 (en) 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
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
US7565018B2 (en) * 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8184710B2 (en) 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
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Also Published As

Publication number Publication date
AU3031897A (en) 1998-02-09
ES2143868T3 (es) 2000-05-16
ATE188832T1 (de) 2000-01-15
EP0910927B1 (de) 2000-01-12
CA2260090C (en) 2000-10-17
US6771777B1 (en) 2004-08-03
KR100316582B1 (ko) 2002-02-28
CA2260090A1 (en) 1998-01-22
NO990106D0 (no) 1999-01-11
WO1998003036A1 (de) 1998-01-22
DE19628292B4 (de) 2007-08-02
NO990106L (no) 1999-03-10
KR20000022435A (ko) 2000-04-25
DK0910927T3 (da) 2000-05-08
EP0910927A1 (de) 1999-04-28
JP3622982B2 (ja) 2005-02-23
DE19628292A1 (de) 1998-01-15
JP2000505266A (ja) 2000-04-25
NO317570B1 (no) 2004-11-15
PT910927E (pt) 2000-04-28
AU712196B2 (en) 1999-10-28
GR3032444T3 (en) 2000-05-31

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