Patent ID: 8792316

Claim:
A record carrier of the disc-like optically inscribable type, having: a preformed track in which an auxiliary signal comprising a sequence of codes is recorded by means of a preformed track modulation, which codes comprise: a sequence of address codes (AC) specifying the addresses of the track portions in which said address codes (AC) are recorded, and special codes (SC) which are distinguished from said address codes (AC) and which are specifying control data for controlling a recording by a recording device, and which sequence is obtained by replacing, in a sequence of address codes (AC) with consecutive address values, a plurality of said address codes by special codes (SC), wherein, the sequence comprises a periodic pattern of address codes and special codes which pattern has a predetermined positional relationship with respect to a predetermined reference address, and wherein the periodic pattern is shifted by a predetermined number of frames with respect to the predetermined reference address.