ES2499640T3 - Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial - Google Patents

Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial Download PDF

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Publication number
ES2499640T3
ES2499640T3 ES12745880.0T ES12745880T ES2499640T3 ES 2499640 T3 ES2499640 T3 ES 2499640T3 ES 12745880 T ES12745880 T ES 12745880T ES 2499640 T3 ES2499640 T3 ES 2499640T3
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Prior art keywords
matrix
covariance
mixing
signal
properties
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English (en)
Spanish (es)
Inventor
Juha Vilkamo
Tom BÄCKSTRÖM
Fabian KÜCH
Achim Kuntz
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/18Selecting circuits
    • G10H1/183Channel-assigning means for polyphonic instruments
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Amplifiers (AREA)
ES12745880.0T 2011-08-17 2012-08-14 Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial Active ES2499640T3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161524647P 2011-08-17 2011-08-17
US201161524647P 2011-08-17
EP12156351 2012-02-21
EP12156351A EP2560161A1 (en) 2011-08-17 2012-02-21 Optimal mixing matrices and usage of decorrelators in spatial audio processing
PCT/EP2012/065861 WO2013024085A1 (en) 2011-08-17 2012-08-14 Optimal mixing matrices and usage of decorrelators in spatial audio processing

Publications (1)

Publication Number Publication Date
ES2499640T3 true ES2499640T3 (es) 2014-09-29

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ES12745880.0T Active ES2499640T3 (es) 2011-08-17 2012-08-14 Matrices óptimas de mezcla y uso de descorreladores en el procesamiento de audio espacial

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US (3) US10339908B2 (https=)
EP (2) EP2560161A1 (https=)
JP (1) JP5846460B2 (https=)
KR (1) KR101633441B1 (https=)
CN (1) CN103765507B (https=)
AR (1) AR087564A1 (https=)
AU (1) AU2012296895B2 (https=)
BR (1) BR112014003663B1 (https=)
CA (1) CA2843820C (https=)
ES (1) ES2499640T3 (https=)
MX (1) MX2014001731A (https=)
PL (1) PL2617031T3 (https=)
RU (1) RU2631023C2 (https=)
TW (1) TWI489447B (https=)
WO (1) WO2013024085A1 (https=)

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Also Published As

Publication number Publication date
JP2014526065A (ja) 2014-10-02
EP2617031B1 (en) 2014-07-23
RU2014110030A (ru) 2015-09-27
JP5846460B2 (ja) 2016-01-20
CN103765507A (zh) 2014-04-30
CA2843820A1 (en) 2013-02-21
BR112014003663A2 (pt) 2020-10-27
TW201320059A (zh) 2013-05-16
RU2631023C2 (ru) 2017-09-15
CN103765507B (zh) 2016-01-20
AR087564A1 (es) 2014-04-03
HK1187731A1 (en) 2014-04-11
MX2014001731A (es) 2014-03-27
US10748516B2 (en) 2020-08-18
AU2012296895B2 (en) 2015-07-16
AU2012296895A1 (en) 2014-02-27
CA2843820C (en) 2016-09-27
PL2617031T3 (pl) 2015-01-30
EP2560161A1 (en) 2013-02-20
WO2013024085A1 (en) 2013-02-21
US10339908B2 (en) 2019-07-02
US11282485B2 (en) 2022-03-22
BR112014003663B1 (pt) 2021-12-21
KR101633441B1 (ko) 2016-07-08
US20190251938A1 (en) 2019-08-15
US20200372884A1 (en) 2020-11-26
TWI489447B (zh) 2015-06-21
EP2617031A1 (en) 2013-07-24
US20140233762A1 (en) 2014-08-21
KR20140047731A (ko) 2014-04-22

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