Patent ID: 7755997

Claim:
A method of writing data having data addresses incorporated in the data, the method comprising the acts of: providing an optical storage medium which comprises a storage space with blocks having block addresses HA allocated in physical features of the storage space, the storage space comprising a pre-embossed area; storing the data having data addresses DA in storage space blocks having block addresses HA that are shifted from the data addresses DA by Δ such that HA=DA+Δ, wherein Δ is an integer at least equal to 1, wherein the data comprise at least one lead-in block comprising at least one byte which contains information relating to the optical storage medium, said at least one lead-in block having a data address DA corresponding to a block address HA within said pre-embossed area; and selecting Δ such that said at least one lead-in block is stored in a storage space block having a block address HA=DA+Δ outside said pre-embossed area.