Patent ID: 8676032
Filing Date: 2014-03-18
Classification: G11B,H04N

Abstract:
1. A playback apparatus comprising: a reading unit that reads a plurality of pieces of information data including first information data having a first period and a second period and playback description data indicating a playback procedure of the information data from a recording medium, the playback description data indicating the playback procedure for reading the second period of first information data following second information data of the same time length as the first period, the playback description data including an attribute information indicating that a reading start position of the first information data being changed from a head of the first period to a head of the second period for reading the second period of first information data following the second information data, the attribute information including an information of a time length of the first period; a detection unit that detects that the second information data is not recorded in the recording medium; and a control unit that changes, if the second information data is not recorded on the recording medium, based on the attribute information, the reading start position of the first information data included in the playback description data recorded on the recording medium to the head of the first information data such that the first information data is read from the head of the first period and the second period of the first information data is read following the first period of the first information data.