Subject: Re: acoustic shielding From: David Prince <dprince(at)ACOUSTICEXPERTISE.COM> Date: Wed, 7 Jul 2004 10:52:03 -0500You might try some damping compounds geared at adding limp mass to barrier systems. One retail supplier is http://www.acousticalsolutions.com/products/damping/damping_compound.asp It would take some time and testing, and could be a little messy but might achieve what you're looking for. As an alternate, have you considered insert earphones in combination with circumaural headsets? David Prince > Dear List members, > > We are trying to increase the external attenuation of a set of headphones. > Do you know of any non-metallic, non-magnetic, thin [less than 8mm], > pliable material that can provide noise suppression upwards of 10dB upto > 10KHz? > > Thanks, > > Satra