Patent ID: 8208663
Filing Date: 2012-06-26
Classification: H04R

Abstract:
1. An apparatus for positioning a screen sound source, the apparatus comprising: a plurality of loudspeakers, each disposed proximate to the edge of a display and each configured to have approximately the same gain; and a controller configured to select a loudspeaker set, including at least two of the loudspeakers, to position a virtual screen sound source substantially synchronized with a visual object displayed at a position on a screen of the display, wherein, the controller selects the loudspeaker set with reference to loudspeaker set information configured according to the position of the visual object on the screen of the display, and in response to no two speakers having the same distance to the position of the visual object on the screen, the controller selects a loudspeaker set including loudspeakers disposed at vertices of a virtual polygon whose centroid is at the position of the visual object on the screen of the display.