| 摘要 |
A device for receiving information, the device comprising: a receiver configured to receive a trigger,and a processor configured to process the trigger wherein, the trigger is an element whose function is to identify signaling and establish timing of playout of interactive events, and a syntax of the trigger includes a first information indicating a first set of identifiers relating to a first application and a first event, and an optional second information indicating a second set of identifiers relating to a second application and a second event. |
