Getting Surround Sound Working with Dolby AC3 Codec on Windows 10

If you're experiencing issues with getting surround sound working with your Windows 10 PC connected to a TV via HDMI, and then to a receiver using digital optical out through a Realtek soundcard, this article may be able to help.

I've tried various methods to get the DTS/DD output option to appear, including using unlocked R2.79 drivers and WIN10 round 4 drivers from Shuttle's site, as well as Realtek's own drivers. Unfortunately, none of these methods have resulted in the desired outcome.

My setup includes a Windows 10 PC connected to a Samsung TV via HDMI, with digital optical out through a Realtek soundcard to a Pioneer receiver (DD and DTS capable). Despite trying various configurations, I've been unable to get the surround sound option to appear.

If you're experiencing similar issues, you may want to try using unlocked Realtek drivers, as some have reported success with this method. However, in my testing, I was unable to get the desired outcome.

It's worth noting that there are many forum threads online discussing issues with Windows 10 breaking surround sound/DTS/Dolby functionality, so it appears that I'm not alone in this issue.

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