DK3561810T3 - Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt - Google Patents

Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt Download PDF

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Publication number
DK3561810T3
DK3561810T3 DK19167336.7T DK19167336T DK3561810T3 DK 3561810 T3 DK3561810 T3 DK 3561810T3 DK 19167336 T DK19167336 T DK 19167336T DK 3561810 T3 DK3561810 T3 DK 3561810T3
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DK
Denmark
Prior art keywords
decoders
computer program
program product
input signals
audio input
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DK19167336.7T
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English (en)
Inventor
Erik Gosuinus Petrus Schuijers
Dirk Jeroen Breebaart
Francois Philippus Myburg
De Kerkhof Leon Maria Van
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Koninklijke Philips Nv
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Publication of DK3561810T3 publication Critical patent/DK3561810T3/da

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    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DK19167336.7T 2004-04-05 2005-03-29 Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt DK3561810T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04101405 2004-04-05
EP04103168 2004-07-05
EP08153026.3A EP1944758A3 (en) 2004-04-05 2005-03-29 Method of coding data

Publications (1)

Publication Number Publication Date
DK3561810T3 true DK3561810T3 (da) 2023-05-01

Family

ID=34961999

Family Applications (1)

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DK19167336.7T DK3561810T3 (da) 2004-04-05 2005-03-29 Fremgangsmåde til kodning af venstre og højre audioindgangssignaler, tilsvarende koder, afkoder og computerprogramprodukt

Country Status (13)

Country Link
US (2) US7646875B2 (da)
EP (3) EP1735778A1 (da)
JP (1) JP5032978B2 (da)
KR (1) KR101135726B1 (da)
CN (2) CN1973320B (da)
BR (1) BRPI0509108B1 (da)
DK (1) DK3561810T3 (da)
ES (1) ES2945463T3 (da)
MX (1) MXPA06011396A (da)
PL (1) PL3561810T3 (da)
RU (1) RU2392671C2 (da)
TW (1) TWI387351B (da)
WO (1) WO2005098825A1 (da)

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Also Published As

Publication number Publication date
RU2392671C2 (ru) 2010-06-20
MXPA06011396A (es) 2006-12-20
EP1944758A2 (en) 2008-07-16
KR101135726B1 (ko) 2012-04-16
TWI387351B (zh) 2013-02-21
EP1944758A3 (en) 2014-09-10
PL3561810T3 (pl) 2023-09-04
ES2945463T3 (es) 2023-07-03
CN1973320A (zh) 2007-05-30
CN101887726A (zh) 2010-11-17
BRPI0509108B1 (pt) 2019-11-19
CN101887726B (zh) 2013-11-20
US7646875B2 (en) 2010-01-12
US8254585B2 (en) 2012-08-28
EP1735778A1 (en) 2006-12-27
EP3561810B1 (en) 2023-03-29
JP5032978B2 (ja) 2012-09-26
US20110106540A1 (en) 2011-05-05
CN1973320B (zh) 2010-12-15
US20070171944A1 (en) 2007-07-26
EP3561810A1 (en) 2019-10-30
JP2007531915A (ja) 2007-11-08
WO2005098825A1 (en) 2005-10-20
RU2006139036A (ru) 2008-05-20
KR20070001207A (ko) 2007-01-03
TW200603637A (en) 2006-01-16
BRPI0509108A (pt) 2007-08-28

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