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Yesterday (June 7th) I faithfully updated a bunch of stuff through update manager (though I'm not sure what since I never read what I updated any more because I'm a bad person). Afterward, I discovered that I could no longer play audio through my tv via HDMI. The sound settings menu seems to have completely changed and the shell script that I wrote a week ago (with much pain and effort as I had never before written a shell script) to toggle between my laptop speakers and the HDMI cable output no longer works. When I type in

pactl set-card-profile 0 output:hdmi-surround

in the command line I get

Failure: No such entity

Presumably this means something with Pulse Audio changed but, while I'm learning a lot about the inner workings of Ubuntu/Linux, I'm not an expert and would love some help.

EDIT: So I noticed that

pactl set-card-profile 0 output:hdmi-stereo

seems to get everything working, so the name of the hdmi output just changed. Still, shouldn't there be a way to switch to HDMI through the GUI as well?

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up vote 6 down vote accepted

Try installing pavucontrol by opening a terminal and typing:

sudo apt-get install pavucontrol

or via Ubuntu Software Center Install via the software center

After installation, you should be able to configure your audio device with this gui.

For reference see also

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Awesome!! Thanks! – ckhenderson Jun 9 '12 at 17:47
Don't mention it, I'm glad if I was of any help. I was reading about this on Google+ the other day and thought it was worth sharing :) Have fun! – FuzzyQ Jun 9 '12 at 17:53
You can also get a graphical tool for this same things. Install it with sudo apt-get install gnome-alsamixer command. – Anwar Shah Jun 15 '12 at 9:09
Pavucontrol is a graphical tool, but for configuration of pulse audio, while alsamixer, as the name implies, is a configuration tool for alsa audio. – FuzzyQ Jun 15 '12 at 13:47
Thanks for the handy addition, @Anwar! – FuzzyQ Aug 8 '12 at 15:41

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