Audio signal transmission system, audio signal transmission method, server, network terminal device, and recording medium

An audio signal transmission method for using a plurality of network terminal devices to receive audio signals that are generated by various sound sources, the audio signal transmission method comprising the steps of:

• acquiring the relationship between a symbol moving within a virtual world and a network terminal device from a relationship storage device;
• controlling the move of a symbol in accordance with the associated control data that is received from each network terminal device that serves as a sound source;
• and
• displaying an image combination of various symbols and the virtual world on an image display device as a shared screen.

A server constituting an audio signal transmission system for using a plurality of network terminal devices to receive audio signals that are generated by various sound sources, the server comprising:

• a material information storage device for storing material information constituting a virtual world;
• a symbol position storage device for storing a symbol moving in the virtual world and the position information about the symbol;
• a relationship storage device for storing the relationship between said symbol and a network terminal device;
• a symbol move control device for controlling the move of a symbol in accordance with the associated control data received from each network terminal device that serves as a sound source;
• and
• an image output device for outputting an image combination of various symbols and the virtual world as a shared screen.

A computer-readable recording medium storing a program for causing a computer, which functions as a server constituting an audio signal transmission system for using a plurality of network terminal devices to receive audio signals that are generated by various sound sources, to perform the steps of:

• acquiring the relationship between a symbol moving in a virtual world and a network terminal device from a relationship storage device;
• controlling the move of a symbol in accordance with the associated control data received from each network terminal device that serves as a sound source;
• and
• displaying an image combination of various symbols and the virtual world as a shared screen.