Broadcast-Level AV Capture, Mix, Control, Add Effects, Live Stream Along with the FREE UpStream Essentials App, you get the essential pro tools needed to create a customized, broadcast-level video finish, in real-time, that's ready to stream. Capture, mix and manage HD & 4K video, and audio from multiple sources including HDMI, RCA, and XLR microphone inputs. Control, and add studio effects like Picture-in-Picture, and green-screen backgrounds with the chroma key tool. Manage your entire program right from the UpStream Essentials App on your smartphone via Bluetooth wireless, freeing up an alternative device such as a desktop or laptop to run your Online Broadcast Software (OBS).