DATA OUTPUT METHOD AND DEVICE, DATA REPRODUCTION METHOD AND DEVICE, DATA RECORDING METHOD AND DEVICE, RECORDING MEDIUM, AND CONTENTS DATA

摘要

PROBLEM TO BE SOLVED: To provide a system by which users can positively use an added data for contents such as electronic transparent information or advertisement information, etc. SOLUTION: A specified added data which is added to contents data includes a user's privilege information. When the contents data is to be outputted, reproduced or recorded, the user's privilege information can be obtained only when the specified added data is used.