PLAYBACK METHOD AND PLAYBACK DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a playback method capable of reducing power consumption without deteriorating a playback signal characteristic when playing back an optical information recording medium having a high recording density, and a playback device.SOLUTION: Information recorded in an optical information recording medium 1 in which information is recorded by a recording mark shorter than an optical system resolution limit belonging to a playback device 100 is played back by using reproduction light generated by a DC current.