You could have mounted the cam on the lower part of the helmet - that is where the HJC logo is on yours. This will allow you to lift your visor without worry. That area is also fairly flat with few contours.
Did you buy online or at retail? Cost?
My father in law is at my house and is snoring a wild streak killing my concentration!!!
Can you eliminate the wind noise when you edit? Add another background sound like music using the software provided?