SYSTEM AND METHOD FOR CONTROLLING TRANSMISSION AND DISPLAY OF VIDEO

摘要

A system for controlling transmission and display of video signals derived from video sources including receiving means for receiving two or more video signals each derived from video sources; a graphical user interface; selection means allowing a user to select one of the video signals on the graphical user interface; when a user selects a video signal the system is arranged to operate to cause transmission of a second video signal corresponding to the selected video signal.