| 摘要 |
PROBLEM TO BE SOLVED: To enable increase in the storage capacity, by providing a plurality of physical format areas in the direction of radius and causing the physical format areas other than the physical format area of the innermost circle to differ from at least the physical format area of the innermost circle. SOLUTION: As a data format to be recorded on a CD-ROM, information about data location in a disk is recorded in TOC. In addition, a plurality of volumes are recorded toward the outer side. For example, with respect to a game program, two volumes Vol. 1 and Vol. 2 are provided, and game program data and audio data related with this program are stored in each of the volumes. Reading is carried out from the innermost circle and TOC information (1) is read first. In accordance with the location information in the TOC information (1), access to positions where digital data (2) and (4) of a necessary program are located is carried out, and the program data is read out. |
