Like many of the other discussions regarding pops, clicks, speed changes in recorded output from Soundtap, I also get all of this. The demo software worded fine. I have no changes No changein the Realtek sound card, or updates. I have tried volume levels in both youtube and the system sound controls that are so low that I can barely hear the music. No improvement.
I tried including one of these recordings for your perusal, however it won't let me.
Looks like from the dates on the other posts that this is a problem that has been unaddressed for a long time. How do we get functionality that we collectively all paid for.