| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently execute a program that executes, synchronized with the reproduction of AV data, or the like. Ž<P>SOLUTION: A video disk player 1 includes a disk read section 50 for acquiring video data, a play list showing a reproduction order of the video data, a program, and program management information from an optical disk 2, a decoder 24 decoding the video data and a program performing section 10 performing the program. The program management information includes content data designation information, designating the play list to be accessed by the program and access of the program is permitted to the play list designated by the content data designating information. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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