VIDEO CONTENT REPRODUCTION SYSTEM, REPRODUCTION CONTROL METHOD THEREOF, CLIENT TERMINAL, SYNCHRONOUS SERVER, AND PROGRAM THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a technology that can allow a plurality of clients in a particular group to view and listen to the same video content synchronously.

SOLUTION: The plurality of clients 20 receive and buffer the same video content from a video distribution server 141 and detect the end of buffering of a prescribed data amount to inform a video synchronous server 10 of it. When the video synchronous server 10 receives the notice indicating the end of buffering from all the client terminals 20 in the group, instructs each client terminal 20 to start reproduction of the video contents, and each client terminal 20 reproduces the buffered video contents on the basis of the instruction of reproduction start. Further, a current time adjustment section 110 of the client terminal 20 and a current time adjustment section 136 of the video synchronous server 10 mutually match the current time, a communication time management section 134 measures a communication delay time between each client and the server and corrects the reproduction start time by using the measured time.

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