hat
Son QRD piblikasyon panèl se yon seri de kolòn de ekzat andquot paralèl pwofondè, patternandquot, Lè tande bri lanm lanmè nan ensidan sa a pou 135 degre horizontale te plase QRD, li kapab ant 30 degre a-150 degre egal-ego entansite te reflete sou bri.
eng
Sound QRD diffusion panel is a series of columns of varying depth parallel "pattern" when sound waves from the incident to 135 degrees horizontally placed QRD, it can be between 30 degrees to -150 degrees equal intensity reflected off the sound.