Without surround mode, the sound sounds normal without skipping or stuttering. So what could this be?
Old game, not well optimized for modern setups. Do you have a dedicated sound card? Those are usually required for bug-free surround sound in older games, like this one.
Further reading: https://pcgamingwiki.com/wiki/Neverwinter_Nights#Other_general_performance_issues
The stuttering is gone. The sound provider that i now use is Dolby Surround. And this works perfectly.
Only the right EQ preset is something I can not really get out of. Which should I take to really enjoy everything?
These are the presets of the Corsair VOID 7.1 RGB USB Gaming Headset:
1. Pure Direct
2. Movie Theater
3. FPS Competition
4. Clear Chat
5. Bass Boost.
Which is best to use for Dolby Surround ??