System and method for optimization of three-dimensional audio

H - Electricity – 04 – S

Patent

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H04S 7/00 (2006.01)

Patent

CA 2401986

The invention provides a system for optimization of three-dimensional audio listening having a media player and a multiplicity of speakers disposed within a listening space, the system including a portable sensor having a multiplicity of transducers strategically arranged about the sensor for receiving test signals from the speakers and for transmitting the signals to a processor connectable in the system for receiving multi-channel audio signals from the media player and for transmitting the multi-channel audio signals to the multiplicity of speakers, the processor including (a) means for initiating transmission of test signals to each of the speakers and for receiving the test signals from the speakers to be processed for determining the location of each of the speakers relative to a listening place within the space determined by the placement of the sensor; (b) means for manipulating each sound track of the multi-channel sound signals with respect to intensity, phase and/or equalization according to the relative location of each speaker in order to create virtual sound sources in desired positions, and (c) means for communicating between the sensor and the processor. The invention further provides a method for the optimization of three-dimensional audio listening using the above-described system.

L'invention concerne un système pouvant optimiser l'écoute d'un son spatial, qui comprend un diffuseur de médias et plusieurs haut-parleurs disposés à l'intérieur d'un espace d'écoute. Le système comprend un capteur portatif comportant de nombreux transducteurs arrangés de façon stratégique autour du capteur pour recevoir des signaux d'essai des haut-parleurs et les transmettre à un processeur pouvant être connecté dans le système pour recevoir des signaux acoustiques à canaux multiples du diffuseur de médias et les transmettre à la pluralité de haut-parleurs. Le processeur comprend: a) un moyen pour démarrer la transmission des signaux d'essai à chacun des haut-parleurs et pour recevoir des haut-parleurs les signaux d'essai à traiter afin de déterminer l'emplacement de chaque haut-parleur relativement à un emplacement d'écoute à l'intérieur de l'espace déterminé par la disposition du capteur; b) un moyen pour manipuler chaque piste sonore des signaux acoustiques à canaux multiples par rapport à l'intensité, la phase et/ou l'égalisation selon l'emplacement relatif de chaque haut-parleur afin de créer des sources sonores virtuelles dans des positions désirées; et c) un moyen pour faire communiquer le capteur et le processeur. L'invention concerne en outre un procédé pour optimiser l'écoute d'un son spatial au moyen du système de l'invention.

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