Comment 4 for bug 1654448

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bwat47 (bwat47) wrote : Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

This bug is pretty obnoxious...

So far the only way I've found to get the alsamixer settings to persist without pulseaudio repeatedly undoing it is editing the pulseaudio config files per the arch wiki here:

https://wiki.archlinux.org/index.php/Dell_XPS_13_(9350)

Hissing/Crackling noises when using headphones section

Unfortunately this disabled the internal mic completely though and the changes will get reset when pulseaudio is updated.