STC scores make use of to frequencies among 125Hz and 4000Hz. OITC, Conversely, measures 80Hz to 4000Hz to account for these lower frequencies. Consequently, it’s a far more helpful metric for soundproof glass a result of the point this is normally employed to lower exterior-interior Appears. Make Our pro staff https://ciceroa592ppk0.goabroadblog.com/profile