Patent ID: 8427931

Claim:
A reproducing and/or recording medium comprising a plurality of areas, the plurality of areas comprising: a burst cutting area; a lead-in area; a user data area; and a lead-out area; wherein the burst cutting area of the medium stores data of a bar-code configuration different from pits to identify the medium; wherein a first transition area is provided between the burst cutting area and the lead-in area; wherein the burst cutting area and the first transition area are outside the lead-in area; wherein at least one of the lead-in area, the user data area, and the lead-out area comprises: a first sub-area having a first track pitch; a second sub-area having a second track pitch different from the first track pitch; and a second transition area provided between the first sub-area and the second sub-area; and wherein a change in track pitch from the first track pitch to the second track pitch is realized in the second transition area.