Method for localizing sound image of reproducing sound of...

H - Electricity – 04 – S

Patent

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H04S 1/00 (2006.01) H04R 5/04 (2006.01)

Patent

CA 2309780

To provide a method for localizing sound image of reproducing sound outside right and left speakers, by processing and controlling audio signals which allows sound image localization outside the speakers for reproducing the controlled audio signals by means of a very concise hardware architecture. When the audio signals 1L, 1R of right and left channels recorded on fit media for stereophonic reproduction are reproduced, process to emphasize a factor of a sense of direction that listener's hearing has is applied by delaying phase characteristic of the audio signals 1L, 1R without change of frequency characteristics with increase in frequency to drive the speakers 7L,7R of right and left channels.

Méthode de localisation de l'image sonore d'un son reproduit par des haut-parleurs gauche et droite grâce au traitement et à la commande des signaux audio, ce qui permet de localiser l'image sonore à l'extérieur des haut-parleurs pour reproduire les signaux audio, commandés par une architecture matérielle minimale. Lorsque les signaux audio 1L, 1R des canaux de droite et de gauche, enregistrés sur un support approprié pour leur reproduction en stéréophonie, sont reproduits, un processus, de mise en évidence d'un facteur d'orientation de l'ouïe de l'auditeur permet d'appliquer un délai à la caractéristique de phase des signaux audio 1L, 1R sans modifier leurs caractéristiques de fréquence, avec l'augmentation de la fréquence pour faire fonctionner les haut-parleurs 7L, 7R des canaux gauche et droite.

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