Patent ID: 8139928

Claim:
A method of reproducing first data stored on a first recording medium and second data stored on a second recording medium, the method being performed by a reproduction apparatus, the method comprising: reading a first playlist from the first recording medium, the first playlist being configured to reproduce first data stored on the first recording medium; reading a second playlist from the second recording medium, the second playlist being configured to reproduce second data stored on the second recording medium, wherein the second recording medium is physically separated from the first recording medium and the second data is downloaded from an external source onto the second recording medium for providing additional data associated with the first data stored on the first recording medium; creating, by the reproduction apparatus, a third playlist, the third playlist configured to reproduce the first data and the second data from the first recording medium and the second recording medium, wherein the third playlist includes control information having a plurality of entries, each of the entries including a packet ID enabling at least one stream to be selected from the first data stored on the first recording medium and the second data stored on the second recording medium; and reproducing the first and second data using the third playlist.