| 摘要 |
PROBLEM TO BE SOLVED: To enable a user to perform diversified reproduction and to enable a manufacturer of a disk to use the same disk in a different way in a digital audio disk. SOLUTION: A DVD encoding circuit 34 records one or more musical compositions, bonus information regarding the musical compositions, interactive data to access the bonus information and a disk identifier to indicate that the disk is a DVD enhanced audio disk onto the DVD enhanced audio disk. A control part 63 on the reproduction side judges whether or not input of the interactive data is accepted based on the disk identifier and when it is judged to be accepted, allows reproduction of the bonus information when correct interactive data is inputted. |
