| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a network system capable of transmitting the synchronizing signal of an analog video in a system wherein IP transmission of videos and sounds is performed within a broadcasting station or the like. <P>SOLUTION: The network system includes a synchronizing signal transmission device (1) provided with: a means (A/D conversion part 13) which converts the synchronizing signal of an analog video to a digital synchronizing signal in the system wherein the IP transmission of the videos and sounds is performed; and a means (IP conversion part 17) which converts the converted digital synchronizing signal to an IP packet and outputs the IP packet to an IP network (100). <P>COPYRIGHT: (C)2010,JPO&INPIT |
