What kind of noise? Squeeks when you walk on the floor?
Is the floor solid hardwood, or engineered wood?
hardwood with basement underneath
You can try putting shims underneath the floor from the basement. I have also heard that sprinkling baby powder on the floor where it's making a noise and pushing it into the cracks helps, but I've never tried it.
JoAnn, is it squeaky floors causing the noise? You could try one of these ideas