Mix up to four video sources at up to 1080p resolution with the Roland V-1HD video mixer. Four HDMI inputs are ready for video cameras, computers, Blu-ray players and other sources. Utilize professional compositing effects like picture-in-picture and keying effects. Controls are simple and laid out intelligently, and you can even control the V-1HD remotely via USB or MIDI, with the software control app for Mac, PC and iPad.