Optical disk apparatus and method for controlling the same

摘要

There are provided a mounting unit (19) configured to selectively mount first and second optical disks (11a, 11b) in which characteristics of recording films (42) are different from one another, and a discriminating unit (36) configured to discriminate which of the first and second optical disks (11a, 11b) is mounted on the mounting unit (19) based on a level of a reproduction signal which is obtained by reproducing innermost peripheral portion of the first or second optical disk (11a, 11b) mounted on the mounting unit (19).