I'm on Sonoma 14.2.1 (23C71) on an M1 MBP. I've had the staticy issue for 3 OS versions now. It always shows up when the memory pressure goes yellow (higher than 75%) in activity monitor. Thankfully I've been able to fix it (for a time) by switching outputs to MacbookPro Speakers, then back to my external USB DAC. Force quitting CoreAudio works too, but is more disruptive. The problem also resolves if I quit some memory heavy apps or close tabs.
It's definitely CoreAudio interacting with low memory situations that causes it. I wish this machine had more than 16GB of RAM.
binturong
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