PL1730726T3 - Kompensacja strat energii w wielokanałowym sygnale audio - Google Patents

Kompensacja strat energii w wielokanałowym sygnale audio

Info

Publication number
PL1730726T3
PL1730726T3 PL05811028T PL05811028T PL1730726T3 PL 1730726 T3 PL1730726 T3 PL 1730726T3 PL 05811028 T PL05811028 T PL 05811028T PL 05811028 T PL05811028 T PL 05811028T PL 1730726 T3 PL1730726 T3 PL 1730726T3
Authority
PL
Poland
Prior art keywords
energy
upmix
energy loss
channel audio
loss compensation
Prior art date
Application number
PL05811028T
Other languages
English (en)
Inventor
Lars Villemoes
Kristofer Kjörling
Heiko Purnhagen
Jonas Röden
Jeroen Breebaart
Gerard Hotho
Original Assignee
Koninl Philips Electronics Nv
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 Koninl Philips Electronics Nv, Dolby Int Ab filed Critical Koninl Philips Electronics Nv
Publication of PL1730726T3 publication Critical patent/PL1730726T3/pl

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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
    • 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
    • G10L19/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Fats And Perfumes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Electroluminescent Light Sources (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Geophysics And Detection Of Objects (AREA)
PL05811028T 2004-11-02 2005-10-28 Kompensacja strat energii w wielokanałowym sygnale audio PL1730726T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0402652A SE0402652D0 (sv) 2004-11-02 2004-11-02 Methods for improved performance of prediction based multi- channel reconstruction
PCT/EP2005/011586 WO2006048203A1 (en) 2004-11-02 2005-10-28 Methods for improved performance of prediction based multi-channel reconstruction
EP05811028A EP1730726B1 (en) 2004-11-02 2005-10-28 Multi-channel audio energy loss compensation

Publications (1)

Publication Number Publication Date
PL1730726T3 true PL1730726T3 (pl) 2008-03-31

Family

ID=33488133

Family Applications (2)

Application Number Title Priority Date Filing Date
PL05811028T PL1730726T3 (pl) 2004-11-02 2005-10-28 Kompensacja strat energii w wielokanałowym sygnale audio
PL05797620T PL1738353T3 (pl) 2004-11-02 2005-10-28 Wielokanałowa rekonstrukcja oparta na wielu parametryzacjach

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL05797620T PL1738353T3 (pl) 2004-11-02 2005-10-28 Wielokanałowa rekonstrukcja oparta na wielu parametryzacjach

Country Status (13)

Country Link
US (2) US8515083B2 (pl)
EP (2) EP1730726B1 (pl)
JP (2) JP4527781B2 (pl)
KR (2) KR100885192B1 (pl)
CN (2) CN1969317B (pl)
AT (2) ATE371925T1 (pl)
DE (2) DE602005002256T2 (pl)
ES (2) ES2292147T3 (pl)
PL (2) PL1730726T3 (pl)
RU (2) RU2369918C2 (pl)
SE (1) SE0402652D0 (pl)
TW (2) TWI338281B (pl)
WO (2) WO2006048204A1 (pl)

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