THERE are two methods of measuring the amounts of sound absorbed by various materials. One is the reverberation method of W. C. Sabine, in which a specimen of the material to be tested is mounted on ...
PARIS, E. Sound Absorption Coefficients Measured by Reverberation and Stationary-wave Methods. Nature 120, 880 (1927). https://doi.org/10.1038/120880c0 ...