DE602005002256D1 - Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion - Google Patents

Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion

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Publication number
DE602005002256D1
DE602005002256D1 DE602005002256T DE602005002256T DE602005002256D1 DE 602005002256 D1 DE602005002256 D1 DE 602005002256D1 DE 602005002256 T DE602005002256 T DE 602005002256T DE 602005002256 T DE602005002256 T DE 602005002256T DE 602005002256 D1 DE602005002256 D1 DE 602005002256D1
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DE
Germany
Prior art keywords
energy
upmix
mix
decorrelated signal
multiparparametrization
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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.)
Active
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DE602005002256T
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English (en)
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DE602005002256T2 (de
Inventor
Lars Villemoes
Kristofer Kjoerling
Heiko Purnhagen
Jonas Roeden
Jeroen Breebaart
Gerard Hotho
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.)
Koninklijke Philips NV
Coding Technologies Sweden AB
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Koninklijke Philips Electronics NV
Coding Technologies Sweden AB
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Application filed by Koninklijke Philips Electronics NV, Coding Technologies Sweden AB filed Critical Koninklijke Philips Electronics NV
Publication of DE602005002256D1 publication Critical patent/DE602005002256D1/de
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Publication of DE602005002256T2 publication Critical patent/DE602005002256T2/de
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    • 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
    • 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
    • G10L19/04—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 using predictive techniques
    • 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
DE602005002256T 2004-11-02 2005-10-28 Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion Active DE602005002256T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0402652 2004-11-02
SE0402652A SE0402652D0 (sv) 2004-11-02 2004-11-02 Methods for improved performance of prediction based multi- channel reconstruction
PCT/EP2005/011587 WO2006048204A1 (en) 2004-11-02 2005-10-28 Multi parametrisation based multi-channel reconstruction

Publications (2)

Publication Number Publication Date
DE602005002256D1 true DE602005002256D1 (de) 2007-10-11
DE602005002256T2 DE602005002256T2 (de) 2008-05-29

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Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005002256T Active DE602005002256T2 (de) 2004-11-02 2005-10-28 Auf mehrfachparametrisierung basierende mehrkanalrekonstruktion
DE602005002833T Active DE602005002833T2 (de) 2004-11-02 2005-10-28 Kompensation von multikanal-audio energieverlusten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602005002833T Active DE602005002833T2 (de) 2004-11-02 2005-10-28 Kompensation von multikanal-audio energieverlusten

Country Status (14)

Country Link
US (2) US8515083B2 (de)
EP (2) EP1730726B1 (de)
JP (2) JP4527782B2 (de)
KR (2) KR100885192B1 (de)
CN (2) CN1998046B (de)
AT (2) ATE371925T1 (de)
DE (2) DE602005002256T2 (de)
ES (2) ES2294738T3 (de)
HK (2) HK1097336A1 (de)
PL (2) PL1730726T3 (de)
RU (2) RU2369918C2 (de)
SE (1) SE0402652D0 (de)
TW (2) TWI328405B (de)
WO (2) WO2006048204A1 (de)

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