How to fix iSight Audio for Catalina
User called Fwi Haxx has found the solution to getting the audio working for the external iSight camera on Catalina.
It can be found here:
https://forums.macrumors.com/threads/firewire-isight-audio-is-back-for-catalina-and-bs.2272444/
I have used this and it has worked for me.
