5.1 Sound in Movies but not Games via HDMI on RTX 2080 Ti? : r/Windows10
Windows 10 Help Forums
Has anyone been able to get 5.1 sound from their PC via HDMI to LG CX? : r/LGOLED
Windows 10 | Surround Sound & VLC Player – Duh! Microsoft did it again
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iTunes and 5.1 on HDMI output | TechPowerUp Forums
Amazon.com: ELECABLE USB to HDMI Adapter Cable 6ft USB 3.0 or USB C to HDMI External Video Adapter for MacBook macOS 10.14+, Windows 7/10/11, Android 5.1+, 1080p Resolution for Monitors, Projectors, TV : Electronics