floor boards with extra thick cushion underlay or double underlay made of cork or rubber would reduce this noise.
Quote:1. What is your purpose for the underlayment?
-Underlayment is used for a variety of reasons. Foam Underlay can be used to add cushion under carpet. Polyvinyl and plastic underlay can be used to provide a moisture barrier under hardwood flooring systems. Cork and rubber underlayment offer the best solution for dampening sound transmission between floor levels and cork simultaneously acts as an excellent insulator against temperature transmission. Recycled cotton and fiber underlayment products help to decrease sound transmission a little bit but also do an excellent job insulating against temperature transmission.
http://blog.rubberflooringinc.com/2012/06/20/flooring-underlayment-four-questions-to-best-solution/
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