“Sound transmission between units is one of the biggest complaints among condo dwellers today. Moving from a single-family home, many condo owners aren’t used to sharing common walls with their neighbors.
Although some noise in shared living spaces is normal, if you can clearly hear your neighbors’ conversations, you have a noise problem, said Eric Wolfram, lead acoustical engineer for Riedel & Associates, an acoustical consulting firm in downtown Milwaukee.”
Condo Living: Soundproofing
By: Rebecca R. Konya
House & Home
March 26, 2011
http://www.jsonline.com/realestate/118658349.html