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An Application of Lined-Up Loudspeaker Array System for Mixed Reality Audio-Visual Reproduction System

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An interactive audio-visual system called the Mixed Reality Audio-Visual (MRAV) reproduction system has been developed. The MRAV system employs a method of stereoscopic image projection and a technique of multichannel sound field reproduction in which the loudspeaker array is able to focus the sound pressure in front of the listener to coincide with the three-dimensional (3D) visual image. A new sound screen with a silver metallic coating has also been developed. It helps to maintain the sound quality even if the sound radiated from the loudspeaker array system when it is set behind the screen. This paper describes the design of the loudspeaker array system and investigates the generated sound field corresponding to 3D Computer Graphic (CG) images.

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