MEDIUM, DEVICE AND METHOD FOR RECORDING INFORMATION, AND DEVICE AND METHOD FOR REPRODUCING INFORMATION

摘要

PROBLEM TO BE SOLVED: To provide an information recording medium capable of having different recording characteristics without imposing a burden on a recording and reproducing device side. SOLUTION: This information recording medium is provided with a number of overwritable times information area (OA1) storing information on the number of overwritable times showing how many times overwriting can be performed.