A broadcasting system for broadcasting music and / or video broadcast as a program, a broadcast method, a viewing device and a viewing method, and a sales system and method for selling music / video broadcast as a program.

摘要

A broadcast apparatus (100) includes a broadcast apparatus (100) and a plurality of viewers (400), and stores music / images which can be sold and broadcast as a program via a broadcasting network (200). The broadcast apparatus (100) mixes and encrypts noise in order to protect the copyright of music / video to be broadcast when the music / video is broadcast as a program. The viewing device 400 transmits the purchase request data to the broadcast apparatus 100 via the communication network 300 when the music / video is being purchased. The broadcast apparatus (100) distributes and provides the music / video to the viewing device 400 via one of the communication network 300 or the broadcasting network 200.