pulseaudio - HDMI is not displayed in the "Sound" settings on Ubuntu 14.04 LTS - Ask Ubuntu
How to setup HDMI sound output on Ubuntu Linux - YouTube
Ubuntu Forums
Ubuntu 18.04 LTS No Sound Fix - Lei Mao's Log Book
Fix No Sound Through HDMI In External Monitor In Ubuntu Linux
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Fix No Sound Through HDMI In External Monitor In Ubuntu Linux
sound - How do you set a default audio output device in Ubuntu? - Ask Ubuntu
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drivers - No sound on HDMI Ubuntu 20.04 (Another case of...) - Ask Ubuntu
Portfolio 3.0
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pulseaudio - Newly opened applications always default to HDMI sound output ( Ubuntu 20.04) - Ask Ubuntu
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![HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community](https://ubuntu-mate.community/uploads/default/original/3X/9/e/9ec06bef80adaa83a51097ccda0ccba1fc76eb3b.png "HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community")
HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community
No sound via HDMI on Ubuntu 21.04 : r/linux4noobs
Ubuntu Forums
