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Minimal Arch-Linux Installation Experiencing Crackling Sound in Discord Calls
(iusearchlinux.fyi)
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Ran into a similar problem on Ubuntu a while back, was the sound card being put into power saving mode by default. Maybe worth checking if you can turn off any power savings with your install.
How can I check that? Is there a program that I can use or a command?
According to the Arch Linux wiki, power-saving mode for my audio card is disabled by default. I have not enabled it yet, therefore it is not currently available as an option.