INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, REPRODUCTION APPARATUS, RECORDING METHOD AND REPRODUCTION METHOD ALLOWING FOR UPDATING OF A DEFECT LIST

摘要

An information recording medium includes a data area for recording user data, and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N is an integer satisfying N 0. The defect list includes a header located at a fixed position in the defect list, N number of defect entries respectively including position information on positions of the N number of defect areas, and an anchor. The header, the N number of defect entries, and the anchor are located in this order. The header includes a defect list identifier for identifying the defect list, first update times information, and a defect entry number representing the number of the defect entries. The anchor includes an anchor identifier for identifying the anchor, and second update times information.