Patent ID: 6865340
Filing Date: 2005-03-08
Classification: G11B,H04N

Abstract:
1. An apparatus to record/reproduce data on/from a physical layer of a CD-type disc which is divided into a lead-in area, a lead-out area and a user area, each having a CD-ROM format, comprising: a DVD application audio/video (A/V) encoder to encode a received A/V signal into a DVD format to provide an A/V stream; a first formatter to format the A/V stream according to a predetermined file system for a DVD application; a second formatter to write data formatted according to the predetermined file system to the user area, to format data for the lead-in area and the lead-out area in the CD-ROM format and to write the CD-ROM formatted data to the lead-in area and the lead-out area; a differentiator to determine whether the disc is a CD and if it is determined that the disc is a CD, to determine whether the CD is a video CD or an audio CD; an analyzer to analyze whether the predetermined file system exists if it is determined by said differentiator that the disc is neither a video CD nor an audio CD; a first deformatter to deformat the DVD application which has been written to the user area when the predetermined file system exists, to provide first deformatted data; and a first decoder to decode the first deformatted data to restore the A/V signal.