Patent ID: 7885516

Claim:
A playback apparatus for playing back digital streams recorded on a recording medium, in accordance with playable section information that defines a multi-angle section and a non-multi-angle section, characterized by comprising: a status register; a control unit operable to, when a current playback time reaches the multi-angle section, judge whether an angle number stored in the status register is valid, and if the judgment is negative, write a valid angle number to the status register; and a playback unit operable to selectively play back, out of a plurality of angle videos in the multi-angle section, an angle video that corresponds to the angle number stored in the status register, wherein if the current playback time leaves the multi-angle section and enters the non-multi-angle section, the playback unit plays back a video in the non-multi-angle section regardless of the angle number stored in the status register.