Methods and devices for audio upmixing

Details Methods and devices for audio upmixing Methods and devices for audio upmixing

H - Electricity

04

S

H04S 5/02 (2006.01)

Patent

CA 2675105

At least one exemplary embodiment is directed to a new spatial audio enhancing system including a novel Adaptive Sound Upmixing System (ASUS). In some specific embodiments the ASUS provided converts a two-channel recording into an audio signal including four channels that can be played over four different loudspeakers. In other specific embodiments the ASUS provided converts a two- channel recording into an audio signal including five channels that can be played over five different loudspeakers. In even other specific embodiments the ASUS provided converts a five-channel recording (such as those for DVD~s) into an audio signal including eight channels that can be played over eight different loudspeakers. More generally, in view of this disclosure those skilled in the art will be able to adapt the ASUS to process and provide an arbitrary number of audio channels both at the input and the output.

Au moins un mode de réalisation de la présente invention a trait à un nouveau système spatial d'amélioration du son comprenant un nouveau système de mixage élévateur de son adaptatif (ASUS). Dans certains modes de réalisation spécifiques, l'ASUS proposé convertit un enregistrement à deux canaux en un signal audio comprenant quatre canaux qui peuvent être lus sur quatre haut-parleurs différents. Dans d'autres modes de réalisation spécifiques, l'ASUS proposé convertit un enregistrement à deux canaux en un signal audio comprenant cinq canaux qui peuvent être lus sur cinq haut-parleurs différents. Dans d'autres modes de réalisation spécifiques, l'ASUS proposé convertit un enregistrement à cinq canaux (tel que ceux pour un DVD) en un signal audio comprenant huit canaux qui peuvent être lus sur huit haut-parleurs différents. De manière plus générale, au regard de la présente invention, les spécialistes seront capables d'adapter l'ASUS pour traiter et fournir un nombre arbitraire de canaux audio à la fois en entrée et en sortie.

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