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Random incidence absorption coefficients as tested in a reverberation chamber for products that are primarily sound absorbent and primarily sound diffusive (all acoustical products have some absorption characteristics).
Select up to (5) products to compare their sound absorption performance (random incidence per ISO-354:2003/ASTM C423).
Normalized diffusion coefficients as tested using a 2D Boundary Goniometer.
Select up to (5) products to compare their sound diffusion performance (directional per ISO-17497-2:2012).
Normal incidence absorption coefficients for low-frequency resonators as tested in an impedance tube.
Select up to (5) products to compare their low-frequency sound absorption performance (normal incidence per ISO-10534-2).
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Copyright © 2024 RPG Acoustical Systems. All rights reserved.
