They have got to incorporate SDI audio routing to the total Constellation line. They only really have to. It can be just not A very professional product without this essential functionality. The Fairlight audio mixer even has additional inputs for mixing audio from analog inputs, talkback microphones for voice over https://atemconstellationhdmanual60370.dgbloggers.com/22053557/the-ultimate-guide-to-atem-constellation-hd-manual