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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ES12745880.0T
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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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    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/18—Selecting circuits
    • G10H1/183—Channel-assigning means for polyphonic instruments
    • 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
    • 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

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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

Country Status (15)

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

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

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