Contents Reproducing Device, Contents Processing Device, Contents Distribution Server, Contents Reproducing Method, Contents Processing Method, and Program

摘要

A content reproduction apparatus includes a group ID storage section L for storing a group ID produced uniquely in a unit of a user; a radio transmitter section 524 for transmitting a content stored in a storage medium by radio communication; a radio receiver section 522 for receiving a content transmitted from a different apparatus by radio communication; a reproduction permission/inhibition decision section 242 for deciding whether or not the content can be reproduced; a reproduction execution section 244 for reproducing the content received by the radio receiver section; an ID recording section 539 for recording a content ID and the group ID into a first list; and a data communication section 220 for transmitting the content ID and the group ID recorded in the first list to a content distribution server.