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Created June 15, 2017 09:32
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Pulseaudio troubleshooting and general install notes
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pulseaudio.md

PulseAudio Setup

Notes on my pulseaudio installation. PA was acting screwy in 14.04, after
upgrading to 16.04, it appeared fixed, but had issues w/ my video driver. After screwing with the nvidia driver, audio was completely broken. This is a general troubleshooting guide.

Audio Setup

I use front and back outputs, which must be combined.

As usual, try restarting pulseaudio and alsa

''' pulseaudio --kill pulseaudio --start sudo alsa force-reload '''

Reinstall Pulseaudio and ALSA

''' sudo apt-get purge alsa-base pulseaudio sudo apt-get install alsa-base pulseaudio '''

Enable combined output in /etc/pulse/default.pa

''' load-module module-combine-sink sink_name=combined set-default-sink combined '''

Useful commands

''' pulseaudio --dump-modules pulseaudio --dump-conf paman pacmd list-sinks paprefs aplay -l '''

Pulseaudio equalizer

Package must be installed from wepupd8 ppa

''' sudo add-apt-repository ppa:nilarimogard/webupd8; sudo apt-get update; sudo apt-get install pulseaudio-equalizer '''

More info

Some useful pulseaudio example configs :

https://wiki.archlinux.org/index.php/PulseAudio/Examples#PulseAudio_over_network

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