AR085408A1 - Aparato y metodo para determinar una medida de un nivel percibido de reverberacion, procesador de audio y metodo para procesar una señal - Google Patents

Aparato y metodo para determinar una medida de un nivel percibido de reverberacion, procesador de audio y metodo para procesar una señal

Info

Publication number
AR085408A1
AR085408A1 ARP120100622A ARP120100622A AR085408A1 AR 085408 A1 AR085408 A1 AR 085408A1 AR P120100622 A ARP120100622 A AR P120100622A AR P120100622 A ARP120100622 A AR P120100622A AR 085408 A1 AR085408 A1 AR 085408A1
Authority
AR
Argentina
Prior art keywords
signal
reverberation
filtered
measure
sound intensity
Prior art date
Application number
ARP120100622A
Other languages
English (en)
Original Assignee
Fraunhofer Ges Forschung
Univ Friedrich Alexander Er
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, Univ Friedrich Alexander Er filed Critical Fraunhofer Ges Forschung
Publication of AR085408A1 publication Critical patent/AR085408A1/es

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • 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 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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 
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Abstract

Un aparato para determinar una medida de un nivel percibido de reverberación en una señal de mezcla que consiste de un componente de señal directa (100) y un componente de señal de reverberación (102), comprende un procesador modelo de intensidad de sonido (104) que comprende una etapa de filtro perceptual para filtrar el componente de señal seca (100), el componente de señal de reverberación (102) o la señal de mezcla, en donde la etapa de filtro perceptual está configurada para modelar un mecanismo de percepción auditiva de una entidad para obtener una señal directa filtrada, una señal de reverberación filtrada o una señal de mezcla filtrada. El aparato además comprende un estimador de intensidad de sonido para estimar una primera medida de intensidad de sonido utilizando la señal directa filtrada y para estimar una segunda medida de intensidad de sonido utilizando la señal de reverberación filtrada o la señal de mezcla filtrada, en donde la señal de mezcla filtrada se obtiene desde una superposición del componente de señal directa y el componente de señal de reverberación. El aparato además comprende un combinador (110) para combinar la primera y la segunda medida de intensidad de sonido (106, 108) para obtener una medida (112) del nivel percibido de reverberación.
ARP120100622A 2011-03-02 2012-02-24 Aparato y metodo para determinar una medida de un nivel percibido de reverberacion, procesador de audio y metodo para procesar una señal AR085408A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161448444P 2011-03-02 2011-03-02
EP11171488A EP2541542A1 (en) 2011-06-27 2011-06-27 Apparatus and method for determining a measure for a perceived level of reverberation, audio processor and method for processing a signal

Publications (1)

Publication Number Publication Date
AR085408A1 true AR085408A1 (es) 2013-10-02

Family

ID=46757373

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP120100622A AR085408A1 (es) 2011-03-02 2012-02-24 Aparato y metodo para determinar una medida de un nivel percibido de reverberacion, procesador de audio y metodo para procesar una señal

Country Status (14)

Country Link
US (1) US9672806B2 (es)
EP (2) EP2541542A1 (es)
JP (1) JP5666023B2 (es)
KR (1) KR101500254B1 (es)
CN (1) CN103430574B (es)
AR (1) AR085408A1 (es)
AU (1) AU2012222491B2 (es)
BR (1) BR112013021855B1 (es)
CA (1) CA2827326C (es)
ES (1) ES2892773T3 (es)
MX (1) MX2013009657A (es)
RU (1) RU2550528C2 (es)
TW (1) TWI544812B (es)
WO (1) WO2012116934A1 (es)

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Also Published As

Publication number Publication date
TW201251480A (en) 2012-12-16
EP2681932B1 (en) 2021-07-28
BR112013021855A2 (pt) 2018-09-11
WO2012116934A1 (en) 2012-09-07
JP5666023B2 (ja) 2015-02-04
BR112013021855B1 (pt) 2021-03-09
KR20130133016A (ko) 2013-12-05
CN103430574B (zh) 2016-05-25
US20140072126A1 (en) 2014-03-13
KR101500254B1 (ko) 2015-03-06
AU2012222491A1 (en) 2013-09-26
MX2013009657A (es) 2013-10-28
CA2827326C (en) 2016-05-17
JP2014510474A (ja) 2014-04-24
RU2013144058A (ru) 2015-04-10
CN103430574A (zh) 2013-12-04
RU2550528C2 (ru) 2015-05-10
TWI544812B (zh) 2016-08-01
EP2681932A1 (en) 2014-01-08
AU2012222491B2 (en) 2015-01-22
CA2827326A1 (en) 2012-09-07
ES2892773T3 (es) 2022-02-04
EP2541542A1 (en) 2013-01-02
US9672806B2 (en) 2017-06-06

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