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kr4
on Dec 1, 2013
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The Quietest Place on Earth
As per Wikipedia [0], The Acoustics Department at University of Salford has a number of Anechoic chambers, of which one is unofficially the quietest in the world with a measurement of −12.4 dBA.
[0]
http://en.wikipedia.org/wiki/Anechoic_chamber
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[0] http://en.wikipedia.org/wiki/Anechoic_chamber