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Estimation of Head Position by Multiple Cameras for 3D Position Control of Sound Spot
Kazuki TADA,Hiroshi TAKEMURA,Hiroshi MIZOGUCHI 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
This paper introduces how to form the sound spot in a target person's head by a speaker array. The spherical area, where sound pressure is high on a partial target made by the speaker array, is called sound spot. It was generable in the fixed arbitrary positions until now by using 128ch plane speaker array two or more sets. However, it also has to keep moving with the target person’s motion. In this research, the information on the 3D position of a target person's head is acquired by the image group obtained from multiple cameras, and the sound spot is generated in the head position. By this method, we achieved that the sound spot can move according to a target person.