It took me a while to get back to this, sorry about that, and thanks y'all for help so far! Intermediate results: 1) In Audacity, I'm not using sound-activated recording. Also, changing buffering had no effect on performance. In general, Audacity does not seem to be CPU intensive at all. 2) Current ...
Hey, thanks all for the ideas! - Audacity does not seem to be the issue, as I experience it with other applications also. Having said that, I'll try to keep using it as a playground, and maybe have it cache on tmpfs or something to make sure it's not I/O. The SD card is also a high-end one which I'm...
I am observing regular gaps ("stutter" or "skipping) when recording audio over USB. The screenshot is of me making constant sound into the microphone while recording using Audacity, and the gaps are evident: https://i.imgur.com/9m9cDjA.png The gaps are constantly spaced, and happen almost always, al...