Two-way broadcasting system allowing a viewer to produce and send a program

摘要

A program broadcasting system is provided with: a material server; a plurality of communication terminal apparatuses; and an information management server connected through a communication network. The material server comprises a material DB which accumulates material composing a program. The communication terminal apparatus comprises a program progress table and a HDD which accumulates the material. The information management server comprises a material index list DB which stores contents of the material corresponding to the material server or the communication terminal apparatus, and a program DB which stores the program progress table corresponding to the communication terminal apparatus. In accordance with the program progress table, the information management server instructs the material server to send the material, and the communication terminal apparatus to send or receive the material. The communication terminal apparatus composes the program by combines the received materials and the accumulated material.