The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
For further Sound-Testing information for your area, be sure to check out Sound-Testing-.co.uk.
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