They have this too, it's how thise fancy systems in rich peoples mansions work and fancy board rooms. A famous company in that world is Crestron. They make s

They have this too, it's how thise fancy systems in rich peoples mansions work and fancy board rooms. A famous company in that world is Crestron. They make stuff that let's you do this, control everything from one central system. The protocol for the video is GigE vision. It's how many fancy broadcast, CCD security, and fancy home theater/office setups work