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Joined: May 2008
Posts: 4,707
Master Elite Member
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The Noise Factor..... "The human vocal chords are a very good noise generator," said Elliott Berger, a senior scientist in auditory research for Indianapolis-based Aearo Technologies and an adjunct professor at Indiana University, Bloomington, in audiology and occupational hearing loss. "Certainly, anybody who's been in a room with a screaming child knows that. ..." http://www.post-gazette.com/pg/06015/638144.stm
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