| 摘要 |
<p>An optical disc (7) and an optical disc recording device for recording such data as tune number, starting time, ending time, etc., based on data signals recorded in a recording region, in a read-in area ARRI of the recording region, wherein expanded recording regions AREXI, AREXO are provided on the inner peripheral side and/or the outer peripheral side other than the recording region in addition to the recording region of the optical disc (7), so that any data can be recorded in the expanded recording regions AREXI, AREXO.</p> |
