I have tried iris 1.0 and iris 2.0 over and over again for my mp4 from old sd vcr it always accentuates to much but
But when I use Artemis Low quality movie enhanced twice so it becomes nyx ready good video
then use NYX 1 the limitation 81 15 60 13 72 the faces look good and the video with these sttings the video is very natural and faces look really good and it passes twice the blurring
I will test more with the NYX eventhough it is a bit slow it does a thourough job with a 4080 it is working within time
I
