Got any "Rap" stations you can get on a radio? Radio 13!
Earplugs? That might not be conducive to marital happiness, however.
Open a window?
OH, oh, I got it!!! Ask your wife to stay in the room and talk to you!
Seriously, if it is possible to physically access the fan blades, you may find some special lint on them. While it is easily removed, it is nearly impossible to filter out. I think it comes in some of your mail...and it gets out when you open the envelope!