Recent Posts
Novelty Test Report VII - Sand
We tested approximately 5-1/2 inches of fine mason sand to determine its sound absorption coefficients across a wide range of frequencies using ASTM C423 procedures. The results may surprise you. Check out our latest novelty test report to see how this common material performed in Riverbank’s reverberation chamber.
Understanding Sound Transmission Class (STC) Ratings and Testing: What Is It and What Do The Results Mean?
Sound Transmission Class (STC) is a single number that describes the ability of a building material or partition to block airborne sound. STC is a laboratory test result defined by ASTM E413 for sound transmission loss testing performed according to ASTM E90.
Novelty Test Report VI - Gym Crash Pads
We tested a set of conventional gymnasium crash pads, aiming to ascertain their sound absorption coefficients across a range of frequencies, resembling children's voices. Check out our latest novelty test report to gain insights into the actual absorptive capabilities of these pads.