Method and the device of allotting the spare territory in the direct read after write optical disk and the direct read after write optical disk

摘要

Method and the device which allot the spare territory with respect to postscript type record medium and record medium are offered. Method, the user data area and at least allotting one variable length spare territory and, consists of inside thing and the data area which allot the data area with respect to record medium rewrites the maximum record capacity of one which is allotted with respect to record medium spare territory, at least and features that it is smaller than maximum record capacity of one which the type disk has variable length spare territory at least.