Sound image control system

H - Electricity – 04 – R

Patent

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Details

H04R 1/32 (2006.01) H04S 1/00 (2006.01) H04S 7/00 (2006.01)

Patent

CA 2430403

To provide a sound image control system able to concurrently perform sound image localization control for two persons . The present invention is directed to a sound image control system controlling a sound image localization position by reproducing an audio signal from a plurality of loudspeakers . The sound image control system includes at least four loudspeakers for reproducing the audio signal and a signal processing section. The signal processing section sets four points corresponding to both ears of two listeners as control points , and performs signal processing for the audio signal input into the plurality of loudspeakers so that two target sound source positions indicating sound image localization positions of the respective two listeners are set in the same direction with respect to the two listeners . Here, the two target sound source positions are set so as to satisfy a following condition, T1<T2 <=T3<T4.

La présente invention vise à fournir un système de commande d'image sonore capable d'exécuter une commande de repérage d'images sonores pour deux personnes. La présente invention concerne un système de commande d'image sonore qui contrôle la position de repérage d'une image sonore en reproduisant un signal audio provenant de plusieurs haut-parleurs. Le système de commande comprend au moins quatre haut-parleurs pour la reproduction du signal audio et une unité de traitement des signaux. Cette dernière détermine quatre points correspondant aux deux oreilles de deux auditeurs à titre de points de contrôle, et exécute le traitement des signaux audio d'entrée dans la série de haut-parleurs de façon à diriger positions de sources cibles de signaux sonores vers les positions de localisation des deux auditeurs respectifs. € ce point, les deux positions de source d'ondes sonores cibles sont réglées de façon à satisfaire la condition suivante : T1<T2 <=T3<T4.

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