Is there a way to completely sync audio for phase cancellation with reverse polarity?

paxxxous

New Member
I've been trying to catch every sound on my desktop except for spotify when I'm recording. And I've found it quite hard to manage adding so many audio sources to all the different apps that I use. I had the idea of using application audio capture and reversing its polarity so that it is removed from the desktop capture, but the audio sources are slightly out of sync, so it sounds like shotty phase cancellation. Is there any way to do this? Or am I going to have to stick to adding all of my other apps by hand.
 
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