Patent ID: 7486598

Claim:
A playback apparatus for playing back data from a recording medium having recorded thereon a file system representing association between identification information for identifying a file and a position where the file is recorded, a plurality of pieces of segment data constituting the file, and markers for the respective pieces of segment data, each marker that is recorded after a key marker specified in certain cases including location information of the key marker, the playback apparatus comprising: detecting means for detecting a last marker in a recording area where data has been recorded on the recording medium but has not been reflected on the file system, the last marker being a marker that is recorded at an end of the recording medium in a recording process; and restoration processing means for executing, for each of the pieces of segment data constituting the file, a restoration process of reflecting on the file system segment data that has been recorded on the recording medium but has not been reflected on the file system, based on the location information of the key marker and the location information of segment data, these pieces of location information being included in the last marker detected by the detecting means.