No HDMI Sound
I have slackware 13.37 updated to the current.
If I run mplayer -ao alsa:device=hdmi The sound works perfectly, but it doesn't in kde.
I use mplayer as phonon backend, others backends doesn't work for me at all, and I didn't try to fix it.
In Phonon System Settings Test also doesn't work with hdmi device, the sound goes through notebook speakers.
Check your video card manufacturer (AMD, Intel, or Nvidia) website for their Linux driver section and FAQ as they should have proper documentation on it's setup and configuration.
Nvidia has a good tutorial on setting up HDMI audio on their website which should reflect wellon any other non-Nvidia HDMI setup as well.
Found the link for you:
You may need to create/edit your /etc/modules.conf file to add the HDMI device to the listing with it's ALSA driver, as such (example only):
And paste this into the file and save it:
You may need to tell phonon that the hdmi output is the preferred output, you set it is the same area where you set the backend to use, just on a different tab.
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