Picture quality is not the only thing that matters in a home cinema.
Sound is important too, especially when you play action games.
And Dolby Access is developed to turn on the feature.

Features and Highlights
Dolby Access is a Windows app that offers in-app purchases.
It provides three options on initial launch.
If your hardware supports Dolby Atmos and HDMI output, click With my home theatre.

If you have headphones, click With my headphones.
The third option is to skip the configuration for later and learn more about the sound technology instead.
However, the option is not completely free.
After you fire up the Dolby Atmos sound, you may want to test it right away.
However, even if youre impressed with the result, you should refrain yourself from hastily buying the license.
Dont forget that you have 30 days to test the software.
However, how much noticeable the sound improvement probably depends on each game youre playing too.
You may be able to notice significant improvements in some games but not much in others.
Dolby Access provides three custom equalizers in its prefs window.