Distorted headphone sound when using Skype for Linux
This fix worked for me:
sudoedit /etc/pulse/daemon.conf
and insert:
default-fragment-size-msec = 5
Try launching it as:
PULSE_LATENCY_MSEC=90 skypeforlinux
It worked for me.
Source: https://winaero.com/blog/fix-broken-sound-skype-linux-8-x/