BG:EE Sound Question

Not sure its a bug wanted to get other people's thoughts. When I turn down ambient sound, or sound effects, it doesn't seem to be really changing anything. Does the game have to be restarted for the changes to take effect? The fricking crickets at night time are like at 1,000 decibels. Also what is the difference between sound effects and ambient sound anyway?
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Sound effects: unlocking/opening doors/chests, hitting people, footsteps, etc.
Just tested, the changes I made in the sounds volume worked fine. Not sure how you can fix it, tho. Hope someone helps you.