Troubleshooting Linux sound problems Some personal notes about troubleshooting audio problems with HDMI out on a HTPC running Arch Linux. Unmuting outputs:alsamixer Testing speaker channels:speaker-test -c 5 -D default -t wav Disabling automatic suspension of sink in Pulseaudio:sudo vi /etc/pulse/default.pa Comment this line out:# load-module module-suspend-on-idle Then restart Pulseaudio (probably easiest by logging out and in to X again?) 2013-12-23 SYSTEM ADMINISTRATION linux audio alsa pulseaudio « Deactivate xscreensaver via SSHUsing Windows key combinations in Xfce »Comments Please enable JavaScript to view the comments powered by Disqus.