AR079998A1 - Aparato y metodo para extraer una senal directa/de ambiente de una senal de mezcla descendente e informacion parametrica espacial - Google Patents

Aparato y metodo para extraer una senal directa/de ambiente de una senal de mezcla descendente e informacion parametrica espacial

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Publication number
AR079998A1
AR079998A1 ARP110100109A ARP110100109A AR079998A1 AR 079998 A1 AR079998 A1 AR 079998A1 AR P110100109 A ARP110100109 A AR P110100109A AR P110100109 A ARP110100109 A AR P110100109A AR 079998 A1 AR079998 A1 AR 079998A1
Authority
AR
Argentina
Prior art keywords
signal
direct
environment
parametric information
information
Prior art date
Application number
ARP110100109A
Other languages
English (en)
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR079998A1 publication Critical patent/AR079998A1/es

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Abstract

Se describe un aparato para extraer una senal directa/del ambiente de una senal de mezcla descendente e informacion paramétrica espacial, la senal de mezcla descendente y la informacion paramétrica espacial representan una senal de audio de multiples canales que tiene más canales que la senal de mezcla descendente, donde la informacion paramétrica espacial comprende relaciones intercanal de la senal de audio de multiples canales. El aparato comprende un estimador de la senal directa/del ambiente y un extractor de la senal directa/del ambiente. El estimador de una senal directa/ambiente se configura para estimar una informacion de nivel de una porcion directa y/o una porcion del ambiente de la senal de audio de multiples canales basada en la informacion paramétrica espacial. El extractor de una senal directa/del ambiente está configurado para extraer una porcion de la senal directa y/o una porcion de la senal del ambiente desde una senal de mezcla descendente basada en la informacion de nivel estimada de la porcion directa o de la porcion del ambiente.
ARP110100109A 2010-01-15 2011-01-13 Aparato y metodo para extraer una senal directa/de ambiente de una senal de mezcla descendente e informacion parametrica espacial AR079998A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29527810P 2010-01-15 2010-01-15
EP10174230A EP2360681A1 (en) 2010-01-15 2010-08-26 Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information

Publications (1)

Publication Number Publication Date
AR079998A1 true AR079998A1 (es) 2012-03-07

Family

ID=43536672

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP110100109A AR079998A1 (es) 2010-01-15 2011-01-13 Aparato y metodo para extraer una senal directa/de ambiente de una senal de mezcla descendente e informacion parametrica espacial

Country Status (14)

Country Link
US (1) US9093063B2 (es)
EP (2) EP2360681A1 (es)
JP (1) JP5820820B2 (es)
KR (1) KR101491890B1 (es)
CN (1) CN102804264B (es)
AR (1) AR079998A1 (es)
AU (1) AU2011206670B2 (es)
BR (1) BR112012017551B1 (es)
CA (1) CA2786943C (es)
ES (1) ES2587196T3 (es)
MX (1) MX2012008119A (es)
RU (1) RU2568926C2 (es)
TW (1) TWI459376B (es)
WO (1) WO2011086060A1 (es)

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Also Published As

Publication number Publication date
WO2011086060A1 (en) 2011-07-21
TWI459376B (zh) 2014-11-01
CN102804264B (zh) 2016-03-09
AU2011206670A1 (en) 2012-08-09
CA2786943C (en) 2017-11-07
CA2786943A1 (en) 2011-07-21
KR20120109627A (ko) 2012-10-08
EP2524370A1 (en) 2012-11-21
US9093063B2 (en) 2015-07-28
EP2360681A1 (en) 2011-08-24
EP2524370B1 (en) 2016-07-27
BR112012017551B1 (pt) 2020-12-15
AU2011206670B2 (en) 2014-01-23
JP5820820B2 (ja) 2015-11-24
ES2587196T3 (es) 2016-10-21
RU2568926C2 (ru) 2015-11-20
TW201142825A (en) 2011-12-01
CN102804264A (zh) 2012-11-28
JP2013517518A (ja) 2013-05-16
US20120314876A1 (en) 2012-12-13
KR101491890B1 (ko) 2015-02-09
MX2012008119A (es) 2012-10-09
RU2012136027A (ru) 2014-02-20
BR112012017551A2 (pt) 2017-10-03

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