Use this software based digital video switcher in your live productions to switch between four cameras, add titles and effects, use chromakey, PIP - all from your computer If you watch the video production of a live sports event or a TV news cast, you'll almost always see the production manager sitting in front of large video switcher he can use to bring up views from different cameras, or display pre-recorded clips from a video clip library, or overlay clips with titles and other graphics. These video switcher devices are the heart of almost every live video production these days, and if you want one, be prepared to spend a lot of money. Until recently, a good HD video switcher would cost at least $100,000.