It's normal. mine have two too. Actually when look in the services tab it's only one.
For the DTS, i've uninstalled it cause the updated driver doesn't work with DTS.
All others effects are fine on me. Try uninstall and clean (delete C:\Program Files\Realtek foler and C:\Windows\System32\dolbyaposvc folder) run RemoveDolbyUAPAPIServices.cmd as administrator,
then reinstall again with updated inf file.
Interesting........
Try checking ur input cables for defects or are they loose....etc, i've no idea left.
When soundblaster is at cinema profile, its loud but if i put at netural profile and try to get dolby to make a effect it isn't loud.