Storage medium storing text-based subtitle data including style information, and apparatus and method of playing back the storage medium

A STORAGE MEDIUM INCLUDES TEXT-BASED SUBTITLE DATA (130) INCLUDING STYLE INFORMATION (132) FOR USE WITH AN APPARATUS AND A METHOD OF PLAYING BACK THE STORAGE MEDIUM. THE STORAGE MEDIUM INCLUDES MOVING IMAGE DATA, AND SUBTITLE DATA FOR PROVIDING A SUBTITLE FOR THE MOVING IMAGE DATA. THE SUBTITLE DATA IS RECORDED BASED ON A TEXT TO BE SEPARATED FROM THE MOVING IMAGE DATA AND INCLUDES INFORMATION USED TO SELECT OR CHANGE AN OUTPUT STYLE OF THE SUBTITLE. ACCORDINGLY, THE SUBTITLE CAN BE OUTPUT USING STYLE INFORMATION SELECTED BY A USER, AND A STYLE IN WHICH A SUBTITLE IS OUTPUT CAN BE CHANGED.