INFORMATION RECORDING MEDIUM, RECORDING DEVICE AND REPRODUCING DEVICE

摘要

PROBLEM TO BE SOLVED: To minimize influence of a test record in an OPC area of one information recording layer on OPC areas of the other information recording layers.SOLUTION: An information recording medium is provided with a plurality of information recording layers having three layers or more. Each of the plurality of information recording layers is provided with a test record area used for adjusting recording conditions. One information recording layer out of the plurality of information recording layers is provided with a reproduction-exclusive management data area in which management data for managing the information recording medium is recorded beforehand. Each of other two or more information recording layers out of the plurality of information recording layers has the test record area where a part of the management data area and a radial position overlap with each other.