Patent ID: 8208798

Claim:
A non-transitory computer-readable information storage medium, comprising: core data comprising audio/video data and navigation data used by a reproducing apparatus for reproducing the audio/video data; and program data, separate from the core data, that is used by the reproducing apparatus for interaction with a user, wherein the program data comprises event occurrence information that, when read and executed by the reproducing apparatus, is configured to cause the reproducing apparatus: to generate an event with reference to a clip information file comprising characteristic information for an audio-video clip constructing the audio-video data at a time corresponding to the event occurrence information, and to execute an operation corresponding to the event if the event is generated, and wherein the event occurrence information is information that requires an event to be generated; when a time point corresponding to a specific Presentation Time Stamp included in the clip information file is reproduced or, when a time point corresponding to a predetermined mark included in the clip information file is reproduced or, when a packet corresponding to a predetermined specific location included in the clip information file is reproduced.