The NDI stream is very high quality, Selectable as 1280x720, 1920x1080 full HD or scaled to the window size, and runs at full frame rate for smooth display. You can select to either show the entire screen, or just a single window of any application, which is alpha keyed to easily composite on your NDI equipped vision mixer, for example NewTek TriCaster with NDI support.
NDI ScanConverter broadcasts your Mac's desktop or application windows over IP Video using the NDI protocol.
The professional NDI ScanConverter for macOS, with Audio, Region of Interest and other pro features - such as Multichannel audio.