November 2007
Intermediate to advanced
736 pages
46h 32m
English
Prof W.C. Sabin of Harvard University, U.S.A., carried out a number of experiments in rooms of different sizes and was able to establish the following formula which is known as Sabin's equation.
S1, S2, S3, etc; being coefficients of absorption of respective surfaces a1, a2, a3 etc;
The unit of sound absorption is m2 - Sabin and it is equal to sound absorption of one square metre area of a fully open window. Since ...
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