Audio troubleshooting

• Arch wiki: PulseAudio/Troubleshooting https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting

Debug output:

systemctl --user stop pulseaudio.socket pulseaudio.service
pulseaudio -v

Show which process accesses low level sound devices:

fuser -v /dev/snd/*

Echo test

pactl load-module module-loopback

You should now hear feedback from your mic in media sessions like video conferences. After debugging unload the module again:

pactl unload-module module-loopback