Fix no audio through HDMI when connected to TV in elementary OS
Fix No Sound in Ubuntu as HDMI Enabled By Default
Microware 4K HDMI Game Capture Card, USB 3.0 Audio Video Capture Device with HDMI Loop-Out 1080P 60FPS Live Streaming Game Recorder Device for Windows Linux OS X System/PS4: Buy Online at Best
Listen up, Kubuntu: the enraging tale of sound over HDMI – The Linux Experiment
sound - Can't get HDMI audio to work with NVIDIA gpu on Ubuntu 20.04 LTS - Ask Ubuntu
Linux Mint 19 solutions for sound and video problems - Softhints
Set Default Playback Device HDMI
No Audio output in Linux Mint 19.2 Xfce 64x(Intel HDMI/DP LPE Audio soundcard) - Super User
How to enable HDMI Audio with Linux - YouTube
linuxium.com.au: Fixing broken HDMI audio
SOLVED]Sound requires toggling on and off output to play from both sp / Multimedia and Games / Arch Linux Forums