Fix Sound Not Outputting On HDMI In Ubuntu

Posted by Weston Ganger on May 19, 2015

I was having the issue where HDMI sound is not working on Ubuntu. Turns out its a pretty common problem.

Make sure the HDMI cable is connected.

First we will find out the details of the HDMI device.

$ aplay -l

card 0: Intel [HDA Intel], 
device 0: ALC887 Analog [ALC887 Analog] 
Subdevices: 0/1 
Subdevice #0: 
subdevice #0 card 0: Intel [HDA Intel], device 3: ALC887 Digital [ALC887 Digital] Subdevices: 1/1 
Subdevice #0: subdevice #0 card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0

On the HDMI device the card number is 1 & the device number is 3

Now we have two methods to fix it. Try the first one first, if not try the second method.

# The hw:x,y is x = card, y = device
speaker-test -c 2 -r 48000 -D hw:0,3
# let the sound test run out of both speakers then press Ctrl+C to exit

# if that didnt work install this package
sudo apt-get install pavucontrol

The HDMI device should now be listed in the sound settings.

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Posted in Linux and Tagged with linux ubuntu hdmi sound 

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