Patent ID: 7751682

Claim:
A content processing device for managing content stored for reproduction, the device comprising: a state sensing section for sensing a process execution state of a first piece of content in a process executed in accordance with user manipulation; an information update section for updating, in accordance with the process execution state sensed by the state sensing section, content state information based on which processing of at least one of the first piece of content and a second piece of content relevant to the first piece of content is controlled; a detecting section for detecting the second piece of content relevant to the first piece of content in a content storage storing content; and a content erase section for erasing data of the content from the content storage, wherein the detecting section detects, as the second piece of content, content having attribute information which matches attribute information of the first piece of content, the attribute information indicating an attribute of a piece of content contained for each piece of content in the content storage, and the content erase section erases, on the basis of the content state information, content associated with the content state information from the content storage, the content state information having been updated by the information update section and indicating an instruction to erase the content.