Patent ID: 7908633
Filing Date: 2011-03-15
Classification: H04N

Abstract:
1. A method for generating data stream, comprising the steps of: generating an extended metadata, wherein the extended metadata comprises a data event metadata comprising program guide information of data events constituting a data broadcasting and a data stream metadata comprising encoding information and signaling information for the data broadcasting; acquiring the program guide information, the encoding information and the signaling information from the extended metadata; generating the data stream by encoding data broadcasting contents which fits to the program guide of the data events according to the encoding information and the signaling information; wherein the encoding information comprises a data carousel including a Download Server Initiate (DSI) message and a Download Info Indication (DII) and an object carousel including a service gateway message, a directory message, a file message, a stream message and a stream event message; and wherein the signaling information comprises Application Information Table (AIT) signaling information including location information of the Download Info Indication (DII).