H - Electricity – 04 – S
Patent
H - Electricity
04
S
H04S 3/00 (2006.01)
Patent
CA 2477450
Said method for control of a reproduction unit (2) for an acoustic field with a number of reproduction elements (3¿1? to 3¿N?) is characterised in comprising:- a step for establishing a finite number of coefficients representative of the temporal distribution and in the three spatial dimensions of said acoustic field, a step for determination of representative reconstruction filters for said reproduction unit (2) and at least the spatial configuration of said reproduction unit (2); a step for determination of at least one control signal (SC¿1? to SC¿N?) for said elements (3¿1? to 3¿N?) by the application of said coefficients to said reconstruction filters and a step for providing said at least one control signal for application to said elements (3¿1? to 3¿N?) for generation of said acoustic field for reproduction.
Ce procédé de pilotage d'un ensemble de restitution (2) d'un champ acoustique du type comportant une pluralité d'éléments de restitution (31 à 3N) est caractérisé en ce qu'il comporte : - une étape d'établissement d'un nombre fini de coefficients représentatifs de la distribution dans le temps et dans les trois dimensions de l'espace dudit champ acoustique; - une étape de détermination de filtres de reconstruction représentatifs dudit ensemble de restitution (2) et au moins de la configuration spatiale dudit ensemble de restitution (2); - une étape de détermination d'au moins un signal de pilotage (SC1 à SCN) desdits éléments (31 à 3N) par l'application auxdits coefficients desdits filtres de reconstruction; et - une-étape de délivrance dudit au moins un signal de pilotage afin de l'appliquer auxdits éléments (31 à 3N) afin d'engendrer ledit champ acoustique à restituer.
Bruno Remy
Laborie Arnaud
Montoya Sebastien
Bruno Remy
Laborie Arnaud
Montoya Sebastien
Robic
LandOfFree
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