Patent ID: 8682131

Claim:
A method of reproducing data controlled by a controller operatively coupled to a reproducing unit, the method comprising: reading an index file including an index table providing selectable menu and titles, the index table including, a first playback information field linked with a first object to be executed automatically before an other object is selected when the recording medium is loaded, a first field for a movie title, the first field linked with a movie object for reproducing the movie title, and a second field for a Java title that enables playback of another title different from the movie title, the second field linked with a Java object for reproducing the Java title, the Java object being independent of the movie object; reading the movie object included in a movie object file, the movie object including a command for launching a playlist; reading the Java object included in a Java object file; reading the playlist included in a playlist file, the playlist including a playitem identifying a playing interval in a clip; and reproducing one of the movie title and the Java title, the Java title being reproduced independent of the movie title.