Try playing your video back in Windows Media Player if you have multi-channel recording on, as it is capable of playing back all audio tracks at once while the built-in Action media player isn't. If you're not worried about being able to independently adjust the volume of your microphone when editin...

Separate audio tracks per application! Any youtuber recording game footage would use this feature, I am currently forced to use DXTORY if I want to be on Teamspeak and record footage at the same time! This feature is an absolute must for me and the deceiving "allow multi-channel audio recording" box...