STC scores make use of to frequencies amongst 125Hz and 4000Hz. OITC, Conversely, measures 80Hz to 4000Hz to account for these cut down frequencies. As a result, it’s a far more beneficial metric for soundproof glass mainly because of the simple fact this is generally utilized to cut back exterior-inner https://acoustic-laminated-glass01182.uzblog.net/not-known-facts-about-acoustic-laminated-glass-cost-47435754