FLstudio can pick up. Attached is the mp3 of the computer feedback. I can only notice the sound when I have an input turned on (in this example, I have an SM57 plugged in with a high-quality XLR cable ...
fl for a while now and getting decent results. I've ran into a bit of a wall though in most part due to my complete ignorance of computers. I don't learn well from written advice as usually I don't understand ...