| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication system capable of acquiring information for data broadcasting from a broadcasting information transmission device via a communication network and also following an event of page switching which is generated in arbitrary timing of broadcasting even when a demultiplexer is used for processing of VOD video data in VOD service which can be started by operating a data broadcasting picture of a broadcasting program. <P>SOLUTION: The communication system is constituted of: the broadcasting information transmission device which transmits data broadcasting information in digital broadcasting; a video transmission device (video transmission server) which transmits VOD video and sound streams; and a communication device which is connected to the devices via a communication network, and provided with a digital broadcasting receiving means for receiving the digital broadcasting to output video images and sound, a means for acquiring, processing and outputting the data broadcasting information from the broadcasting information transmission device, and a video and sound acquisition means for acquiring the video and sound streams from the video transmission device to be transmitted to the digital broadcasting receiving means. <P>COPYRIGHT: (C)2010,JPO&INPIT |
