Patent attributes
A play-back device receiving data including program parts and specific parts, detecting duplicated part in which contents are repeated in the specific part included in the data and before and after the specific part. On playing back the data, when it comes to the specific part or the duplicated part it outputs an indication indicating that it is the specific part or the duplicated part on a display screen. When it receives a skip play-back or fast play-back instruction from a user, it controls to skip play back or fast play back the specific part or the duplicated part. It then becomes possible to provide a play-back device with enhanced usefulness for the user and a method for controlling the same.