| 摘要 |
<p>Provided is a device and method for controlling switchover of a broadcasting channel in a digital multimedia broadcasting receiver. The device includes a first demultiplexing unit for firstly buffering transport stream packets, searching the buffered transport stream packets for a PAT (program association table), a PMT (program map table), and an intra frame, and obtaining program information on the broadcasting channel to be switched over; and a second demultiplexing unit for secondly buffering the transport stream packets and, on the basis of the obtained program information, searching the secondly buffered transport stream packets for an audio or video transport stream packet of the corresponding broadcasting channel, and performing audio or video demultiplexing for the searched audio or video transport stream packet.</p> |
