I'm using a Realtek sound chip in a Mac Pro 2008 with Windows 11. There doesn't seem to be support for 5.1 sound using SP/DIF. I have a Logitech X-540 and a Technics Digital SH-AC500D Surround Sound ...
Dolby Home Theater systems are the best way to get that movie theater experience when watching a film or whatever else. These devices are truly phenomenal, especially the ones that deliver 5.1 and 7.1 ...