AUDIO SIGNAL TRANSMISSION SYSTEM, AUDIO SIGNAL TRANSMISSION METHOD, SERVER, NETWORK TERMINAL DEVICE, PROGRAM AND RECORDING MEDIUM

PROBLEM TO BE SOLVED: To realize a system allowing all users to confirm an operation situation of the whole system, and allowing each the user to actively select service of the system. SOLUTION: This audio signal transmission system of a type wherein a channel assigned to each sound source is shared with a plurality of terminal devices comprises: a terminal device corresponding to one of the sound sources; a material information storage device storing material information constituting a virtual world; a symbol position storage device storing a symbol moving in the virtual world, and position information thereof; a correspondence relation storage device storing correspondence relation between the symbol and the terminal device; a symbol movement controller controlling the movement of the corresponding symbol according to control data received from each the terminal device; and an image display device displaying a composition image of each the symbol and the virtual world as a shared screen. COPYRIGHT: (C)2006,JPO&NCIPI