H - Electricity – 04 – S
Patent
H - Electricity
04
S
H04S 3/00 (2006.01)
Patent
CA 2467938
A method for improving the spatial perception of multiple sound channels when reproduced by two loudspeakers, generally front-located with respect to listeners, each channel representing a direction, applies some of the channels, such as sound channels representing directions other than front directions, to the loudspeakers with headphone and crosstalk cancelling processing, and applies the other ones of the sound channels, such as sound channels representing front directions to the loudspeakers without headphone and crosstalk cancelling processing. The headphone processing includes applying directional HRTFs to channels applied to the loudspeakers with headphone and crosstalk cancelling processing and may also include adding simulated reflections and/or artificial ambience to channels applied to the loudspeakers with headphone and crosstalk cancelling processing.
La présente invention concerne un procédé permettant d'améliorer la perception spatiale de canaux sons multiples lorsqu'ils sont reproduits par deux haut-parleurs, généralement situés en face des auditeurs, chaque canal représentant un sens. Ce procédé applique certains des canaux, notamment les canaux son représentant des sens autres que de face aux haut-parleurs avec traitement de casque et d'annulation de diaphonie et applique les autres canaux, notamment les canaux son représentant les sens de face aux haut-parleurs sans traitement de casque et d'annulation de diaphonie. Le traitement de casque, qui implique d'appliquer les fonctions HRTF directionnelles (Head Related Transfer Functions) aux canaux appliqués aux haut-parleurs avec traitement de casque et d'annulation de diaphonie, peut également impliquer d'ajouter des réflexions et/ou de l'ambiance artificielle aux canaux appliqués haut-parleurs avec traitement de casque et d'annulation de diaphonie.
Dolby Laboratories Licensing Corporation
Smart & Biggar
LandOfFree
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