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No sound on HDMI Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1256043/no-sound-on-hdmi-ubuntu-20-04
Open the audio mixer (it's called pavucontrol here) Switch to the Configuration tab (rightmost tab), There is a dropdown for selecting the profile …
sound - HDMI audio not working in Xubuntu 18.04, audio ...
https://askubuntu.com/questions/1213860/hdmi-audio-not-working-in-xubuntu-18-04-audio-device-found-but-not-listed-by-ap
There are HDMI devices listed in aplay -L but without device numbers. I also found this in /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.audio=1" From some previous time struggling with HDMI audio, probably. I don't remember if HDMI audio has worked on this laptop before.
sound - HDMI audio output option not detected in Ubuntu 20 ...
https://askubuntu.com/questions/1234499/hdmi-audio-output-option-not-detected-in-ubuntu-20-04
Since I upgraded from 19.10 to 20.04 the HDMI audio output option is not available. The option is not there in the sound settings GUI and in the pulseaudio volume control all profiles show as (unplugged) (unavailable). I'm using NVidia GTX 1660 and have checked for driver updates and all.
drivers - No sound via HDMI on Ubuntu 21.04 - Ask Ubuntu
https://askubuntu.com/questions/1355352/no-sound-via-hdmi-on-ubuntu-21-04
I do not have any proprietary drivers installed. As it so happens, official amdgpu-install drivers or amdgpu-pro drivers aren't supported in 21.04. In Ubuntu Software as well I see no drivers for my video card. lspci Displays two audio devices: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590 ...
Fix No Sound Through HDMI In External Monitor In Ubuntu ...
https://itsfoss.com/how-to-fix-no-sound-through-hdmi-in-external-monitor-in-ubuntu/
This post was written more than two years ago when I faced similar situation with Ubuntu 12.04. But the previous time I could see HDMI option in the input audio source but in Ubuntu 15.04, HDMI audio option was not even listed in the input audio source so a switch to HDMI input was (seemingly) impossible.
nvidia - No HDMI audio Ubuntu 20.04 - Ask Ubuntu
https://askubuntu.com/questions/1236537/no-hdmi-audio-ubuntu-20-04
No HDMI audio Ubuntu 20.04. Ask Question Asked 1 year, 9 months ago. Active 2 months ago. Viewed 5k times 5 I've just installed Ubuntu 20.04 in a desktop computer connected via hdmi with an external BenQ GW2480E monitor. I …
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