Generally speaking, three persons, at least, would be needed for class or conference shooting. Except for the basic equipment like cameras and microphones, the monitor, switcher, sound mixer, VGA converter, and recording computers are also needed, which brings great trouble for carrying, installing, and testing. Built with selected high-quality multi-media processing cards, Media Box offers a platform to combine functions of other PowerCreator products, mainly the functions of Media Cast and Composer, to realize multi-function on one portable box.