Patent ID: 7298689

Claim:
An optical disc comprising: a first recording layer which includes a first lead-in area, a first data area, and a first lead-out area; and a second recording layer which includes a second lead-in area, a second data area, and a second lead-out area, wherein at least one of the first lead-in area and the second lead-in area includes a dedicated-reproducing area having a disc-related information zone in which disc-related information is recorded, and a rewritable area in which data that is rewritable is recorded; wherein the disc-related information is used to perform one of a recording and a reproducing of user data recorded in the first or second data area corresponding to the one of the first and second lead-in areas; wherein the dedicated-reproducing area is formed as high-freguency wobble tracks in which a high-freguency wobble signal having data corresponding to the dedicated-reproducing area is recorded; and wherein the rewritable area is formed as low-freguency wobble tracks in which a low-freguency wobble signal having data corresponding to the rewritable area is recorded.