| 摘要 |
An integrated demultiplexer for digital multimedia broadcasting is provided to prevent cost increase and complexity of circuit design generated by applying demultiplexers having different configurations when developing a multimedia broadcasting receiver capable of simultaneously using a DVB-H(Digital Video Broadcasting-Handheld) and TDMB(Terrestrial Digital Multimedia Broadcasting). A TS(Transport Stream) demultiplexer(100) regularly divides packets according to a sync byte of a TS packet and receives the divided packets to perform a function of storing the packets in a buffer according to PID(Packet Identifier) information. A PSI(Program Specific Information)/SI decoder(200) analyzes program-related table information, service information table and OD/BIFS(Object Descriptor/Binary Format for Scene) streams to extract service configuration information of currently-received broadcasting, and provides analyzed service information in a PSI/SI section. An integrated header processor(300) provides packet length information, time stamp information, time slicing information and IP(Internet Protocol) information by extracting sync time information necessary during decoding and information for de-packetization of each multimedia stream after TS demultiplexing by the TS demultiplexer. A service and decoding information processor(400) provides the PID information to the TS demultiplexer, receives the service information from the integrated PSI/SI decoder, and receives the packet length information, time stamp information, time slicing information and IP information from the integrated header processor to provide various control information for service and decoding.
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