Patent ID: 7177247

Claim:
An optical disc recording control method by which data is recorded on plural optical discs simultaneously by either a Disc At Once recording method for recording data in a lead-in area, tracks, a lead-out area, and a program memory area of an optical disc sequentially, or a second recording method for recording data in tracks, a lead-out area, a lead-in area, and a program memory area of an optical disc sequentially, comprising: reading lead-in area start times recorded in ATIP (Absolute Time in Pre-groove) of the plural optical discs, judging whether the lead-in area start times of all the optical discs are the same or not, and when the lead-in area start times of all the disks are the same, selecting the Disc At Once recording method, while when there exists an optical disc with a different lead-in area start time, selecting the second recording method.