Patent ID: 7496280

Claim:
An apparatus for recording information on a tangible recording medium, the information comprising: stream files including still pictures; PlayList files which order still pictures and background music (BGM) to be played; and PlayListMarks that correspond to said still pictures; wherein: each of said PlayList files has one or more PlayItems and one or more SubPlayItems, each of said PlayItems corresponds to one or more still pictures, each of said PlayItems includes start information indicating a presentation start time for the still picture, end information indicating a presentation end time for a still picture, and a presentation time of the still picture, each of said SubPlayItems corresponds to a BGM, each of said SubPlayItems includes start information indicating a presentation start time for the BGM, end information indicating a presentation end time for the BGM, and a presentation time of the BGM, each of said PlayListMarks is associated with only one corresponding still picture, each of said PlayListMarks is provided at a beginning of each of said PlayList files and at a beginning of each of said PlayItems, the still pictures of the PlayItems and BGM of said SubPlayItems are independently reproduced and controlled without interrupting each other, reproduction of the BGM of the SubPlayItems is independently repeated, if there are additional still pictures of the PlayItems to be reproduced, and one of a subsequent and last PlayList file on the recording medium is played.