Initialization method, reproduction method, computer-executable program product, computer-readable recording medium, data structure, information recording apparatuses, and information reproducing apparatus

摘要

When an information recording medium is initialized, a block is determined to record the dummy data by referring to identification information for identifying a block recording user data and a block in which the user data are not recorded, and information concerning a last address of a recorded area continued from a beginning of the data zone. The dummy data is recorded to the block being determined in the step of determining a block to record dummy data.