Hi, Trying to get a visualisation of my levels during record / stream. This works fine for file based material: ffplay -f lavfi -i "amovie=/Users/bouke/Downloads/test.wav,ebur128=video=1:meter=18:target=-16 [out0][out1]" But I would like to have a live source (I’m on Mac, AVfoundation I guess.) How to do that? Bouke