bwiese + sound + amphitheater   1

Mystery of Greek Amphitheater's Amazing Sound Finally Solved | LiveScience
ow, researchers at the Georgia Institute of Technology have discovered that the limestone material of the seats provide a filtering effect, suppressing low frequencies of voices, thus minimizing background crowd noise. Further, the rows of limestone seats reflect high-frequencies back towards the audience, enhancing the effect.
greece  science  sound  music  amphitheater  acoustics  architecture  archaeology 
june 2010 by bwiese

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