INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS, INFORMATION RECORDING METHOD, INFORMATION REPRODUCING APPARATUS AND INFORMATION REPRODUCING METHOD

摘要

According to the present invention, the size of defect management information is reduced by using a top spare area 102 and middle spare areas 103 in the ascending order of their physical block addresses and spare areas can be expanded more easily by using only the last spare area 104 in the descending order of its physical block addresses.