立体テレビのための音像の距離感制御

抄録

This paper describes a new audio system to control sound-image distance for 3D TV using arrayed loudspeakers. When every sound wave from the loudspeakers focuses at a point just in front of listeners, a sound-image appears near the focal point. Its auditory perceived distance depends on the relative power of the waves coming directly to the focus. It means that total radiation of the loudspeaker array should be low in order to produce a sound-image close to listeners. Our simulations show that each loudspeaker should be arrayed apart half a wavelength to each other.