INFORMATION RECORDING DISC, RECORDING AND / OR REPRODUCING DEVICE AND METHOD

摘要

Four ECC blocks are recorded in a burst cutting area of an optical disc. Eac h ECC block is constituted by a BCA content code of 1 byte, content data lengt h of 1 byte, and content data of 14 bytes. Of the BCA content data, the leadin g 6 bits are used for application ID and the remaining 2 bits are used for blo ck number. Disc ID is stored in the content data. Since the four ECC blocks exist, the optical disc can be managed individually by four applications at the maximum. Thus it becomes possible to manage the same optical disc by a plurality of applications.