Patent ID: 7826720
Filing Date: 2010-11-02
Classification: G11B,H04N

Abstract:
1. A recording medium storing a data structure for managing reproduction of at least video data having multiple reproduction paths by a reproducing apparatus, comprising: one or more information files for managing reproduction of the video data having multiple reproduction paths, the video data being stored in one or more clip files, each information file associated with one of the clip files, each clip file of the multiple reproduction paths being associated with one of the multiple reproduction paths, said information file including at least one entry point map, the entry point map mapping a presentation time stamp to an address in the video data for at least one entry point, wherein the entry point map includes an entry point fine table including fine information of the at least one entry point and an entry point coarse table including coarse information of the at least one entry point, the fine information and coarse information identifying the presentation time stamp and the address, and the coarse information including identification information for referencing a corresponding fine information, the entry point map having angle change information associated with the entry point, wherein said angle change information indicates whether an angle change is permitted or not, and the angle change information further indicates where the angle change is permitted if the angle change is permitted, the angle change from a current angle to a requested angle is performed if the angle change is permitted, and the current angle is maintained until a position at which exit of the current angle is permitted.