No, the crackling appears in the output signal only, regardless of
input state. It gets more pronounced when the output signal is
louder, but even when the output is zero-amplitude silence spurious
clicks of varying loudness appear.
>Also, do you hear the crackles thru headphones when switched over to
No, direct monitoring appears as clean as the digitised input signal.
The 10ms alignment of the clicks makes me suspect a USB-related issue,
but to be quite honest I feel pretty much clueless.
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