In an auditorium there will be many listeners. It is important that sound can propagate to each and every one of them. No matter where a person is sitting he/she should listen to the sounds coming from the stage clearly. The acoustics should be setup just so that they allow the sound to propagate to...
By: DanM60
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from Instructables: exploring - technology - robots http://ift.tt/1Kx3gKa
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