PL3561810T3 - Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego - Google Patents

Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego

Info

Publication number
PL3561810T3
PL3561810T3 PL19167336.7T PL19167336T PL3561810T3 PL 3561810 T3 PL3561810 T3 PL 3561810T3 PL 19167336 T PL19167336 T PL 19167336T PL 3561810 T3 PL3561810 T3 PL 3561810T3
Authority
PL
Poland
Prior art keywords
decoder
computer program
program product
input signals
audio input
Prior art date
Application number
PL19167336.7T
Other languages
English (en)
Inventor
Erik Gosuinus Petrus Schuijers
Dirk Jeroen Breebaart
Francois Philippus Myburg
Leon Maria Van De Kerkhof
Original Assignee
Koninklijke Philips N.V.
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 Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of PL3561810T3 publication Critical patent/PL3561810T3/pl

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
    • G10L19/02—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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • 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
    • 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

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)
PL19167336.7T 2004-04-05 2005-03-29 Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego PL3561810T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04101405 2004-04-05
EP04103168 2004-07-05

Publications (1)

Publication Number Publication Date
PL3561810T3 true PL3561810T3 (pl) 2023-09-04

Family

ID=34961999

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19167336.7T PL3561810T3 (pl) 2004-04-05 2005-03-29 Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego

Country Status (13)

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

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Also Published As

Publication number Publication date
CN101887726B (zh) 2013-11-20
ES2945463T3 (es) 2023-07-03
US20070171944A1 (en) 2007-07-26
EP1735778A1 (en) 2006-12-27
CN101887726A (zh) 2010-11-17
TW200603637A (en) 2006-01-16
EP1944758A3 (en) 2014-09-10
MXPA06011396A (es) 2006-12-20
US8254585B2 (en) 2012-08-28
KR20070001207A (ko) 2007-01-03
WO2005098825A1 (en) 2005-10-20
US7646875B2 (en) 2010-01-12
BRPI0509108A (pt) 2007-08-28
RU2392671C2 (ru) 2010-06-20
JP5032978B2 (ja) 2012-09-26
KR101135726B1 (ko) 2012-04-16
TWI387351B (zh) 2013-02-21
CN1973320B (zh) 2010-12-15
EP1944758A2 (en) 2008-07-16
EP3561810B1 (en) 2023-03-29
RU2006139036A (ru) 2008-05-20
US20110106540A1 (en) 2011-05-05
CN1973320A (zh) 2007-05-30
EP3561810A1 (en) 2019-10-30
JP2007531915A (ja) 2007-11-08
DK3561810T3 (da) 2023-05-01
BRPI0509108B1 (pt) 2019-11-19

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