A portable HD studio in a single unit. A single operator handles audio and video using faders, buttons, and the touchscreen. The Roland VR-50HD all-in-one mixer successfully integrates an audio mixer, video switcher, multiviewer touchscreen, and USB video/audio streaming into a standalone unit. This single device provides the functionality required by the increasing number of video and audio sources. This portable live HD production solution is ideal for schools, churches, public buildings, corporate events, sports, training, or any live event.