Parametric virtual speaker and surround-sound system

Details Parametric virtual speaker and surround-sound system Parametric virtual speaker and surround-sound system

H - Electricity

04

S

H04S 3/00 (2006.01) G10H 1/00 (2006.01) G10K 15/02 (2006.01) H04R 1/32 (2006.01) H04S 5/00 (2006.01)

Patent

CA 2446645

A system for generating at least one remote virtual speaker location in connection with at least a partial reflective environment (12, 12, 14 or 15) in combination with an audio speaker for creating multiple sound effects including a virtual sound source from the reflective environment which is perceived by a listener (53) as an original sound source, by generating a primary direct audio output by emitting audio compression waves toward a listener, and generating a secondary indirect audio output from at least one virtual speaker (24, 25 or 26) remote from the audio speakers, by emitting ultrasonic sound from at least one parametric speaker (20, 21 or 22) associated with the audio speakers and oriented toward at least one reflective environment which is remote from the audio speakers.

Système permettant de générer au moins un site de haut-parleur virtuel éloigné en connexion avec au moins un environnement réfléchissant partiel (12, 14 ou 15) combiné à un haut-parleur audio pour créer des effets de son multiples, dont une source de son virtuelle, à partir d'un environnement réfléchissant, qui est perçue par un auditeur (53) comme source de son originelle. Ledit système permet la production d'une sortie audio directe primaire par émission d'ondes de compression audio vers un auditeur et la production d'une sortie audio indirecte secondaire à partir d'au moins un haut-parleur virtuel (24, 25 ou 26) situé à distance des haut-parleurs audio, par émission de son ultrasonique provenant d'au moins un haut-parleur paramétrique (20, 21 ou 22) associé aux haut-parleurs audio et orienté vers au moins un environnement réfléchissant qui est situé à distance des haut-parleurs audio.

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