| 摘要 |
Problem: In a system in which a plurality of required contents is to be saved into a recording disk after a user has downloaded desired contents from among DVD contents accumulated in a server and once recorded them into a hard disk, DVD packaged contents authored in the past are utilized without re-authoring the contents therein, and copyright protection of the contents in the download distribution is strengthened. Solution: A disk image file is produced in such a manner that data to be handled as main data among sectors of a DVD disk and header information of each of the sectors are included in data of a DVD content to be distributed from the server. By dividing into synchronization frames of the DVD to be stored on a packet basis of a transport stream, and by adding to each of the packets, identification codes for the content and for a distribution destination of the content, identification is enabled on a basis of the individual sectors for the DVD. On the side of a recording apparatus, the recording into a large-capacity optical disk or a hard disk is performed together with the identification codes each added to source packets.
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