TRUSDX.monitor USB audio card emulation capturing problem.

[KK6SPM]

I used the (tr)uSDX for a week as FT8 digital modes monitoring and noticed some artifacts on the waterfall window. Then I connected my Creative SB X-Fi Go Pro USB to capture audio output directly to compare the picture and that is what I got.
p.s. I understand that this is beta firmware and glitches are possible, so this is not a complaint, but rather a bug reporting.