Information Recording Medium, Information Recording Device and Method, and Record Controlling Computer Program

摘要

An information recording device is provided with a writing device for writing recording information in a first recording layer and a second recording layer of an information recording medium; an acquiring element for acquiring information relating to an offset quantity; and a calculating member for calculating a start position where the recording information can be recorded in the second recording layer, based on the acquired information. The information recording device is also provided with a control unit which controls the writing device to i) write the recording information in the first recording layer along a first recording track, and ii) write the recording information in the second recording layer along a second recording track from the calculated start position.