| 摘要 |
PROBLEM TO BE SOLVED: To efficiently manage audio data in a FAT (file allocation table) system while using a medium compliant to an MD. SOLUTION: In a programmed file order table, a link destination to a track descriptor of each track number is described. In the track descriptor of a track information table, an encoding system, copyright management information, key information of contents, and pointer information of parts numbers of entries of a piece of music are described. In parts descriptor of a parts information table, leading addresses of parts on an audio data file, ending addresses of parts, and a link destination to parts following the said parts are described. The key information is acquired from the track descriptor, and a parts description indicating an area where data of the entry are stored is acquired. COPYRIGHT: (C)2004,JPO |
