How to Set up Aggregate Audio routing for eCamm, OBS, Zoom, Skype

Bit of a ramble, but here are the basics for routing processed audio to broadcast programs like OBS, eCamm, Zoom, Skype. iShowU can be acquired here: https://support.shinywhitebox.com/hc/... BlackHole16 here: https://github.com/ExistentialAudio/B...