Comment 4 for bug 1931902

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Matheus Reich (matheusr98) wrote : Re: Crackling sound on Pulseaudio for Ubuntu 21.04

Also, I can add that I've only noticed this issue happening while using DisplayPort, and playing back sound through my LG Monitor. This doesn't happen when using a USB or Headphone jack headphone/headset. Also, I've never noticed it happening when using an HDMI monitor, only DP. It could be a bug with the display drivers, but I find it to be unlikely, given that restarting PulseAudio fixes the issue temporarily, and then it comes back.