This paper describes an interactive multichannel audio system linked to the Virtual Reality Modeling Language (VRML). In this system dry sources, source positions, and simulated room impulse responses are transmitted together with a room shape composed with VRML. The multichannel stereo sound is resynthesized at the receiver, and the graphics of the room are displayed on the screen. The reproduced sound is automatically changed in real time as the listener moves his viewpoint in the VRML graphics. The required number of channels and the method of resynthesizing are discussed in detail. Synchronization of picture and multichannel sound effectively increases the sensation of reality.:
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