Characterization of acoustic diffusers

Diffusion plays a very important role in the quality of sound in a room. Until now it was often advocated by the acousticians following their experience. Poor knowledge of the diffusing quality of materials used can cause discrepancies between predictions and measurements calculated. Therefore, methods for evaluating the acoustic scattering have recently been developed. 

CSTB has a measuring bench installed in a reverberation room for performing measurements of diffusion coefficient according to the ISO17497-1 standard.



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