Well, well. :roll: Since it took some time to get this post approved, I´ve already solved a part of the mystery on my own. I´ve found a nifty little program called Veedub64 to separate and extract the 2nd audio track from the video file, namely the mic. If someone has a similar problem and equipment...

Hi. I´ve only found one post on this subject whilst searching the forums and it sort of died in 2009 without a solution so here we go again :) : I try to use my Audiobox USB external sound card to do my recordings in Mirillis Action, and I do get sound when recording the mic, but it is not recorded ...