INFORMATION PROCESSING DEVICE, INFORMATION RECORDING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION RECORDING METHOD, INFORMATION RECORDING PROGRAM, AND STORAGE MEDIUM

摘要

There is provided an information recording device capable of flexibly coping with a data size of the user data recorded regardless of the initial data area range preset in recording operation onto an information recording medium having a plurality of recording layers. There is also disclosed an information processing device for requesting user data recording to the information recording device. The information processing device includes data area modification specification means for performing specification associated with a range of a data area for a first recording layer within a range of initial data area preset on the information recording medium so that the data area used for recording user data is divided into the first recording layer and a second recording layer.