5 EASY FACTS ABOUT URBAN NOISE SOLUTIONS DESCRIBED

Working day-night ordinary degree, DNL or LDN: This measurement assesses the cumulative exposure to sound for the 24-hour interval (Leq in excess of 24 hrs) of your 12 months, with a 10 dB(A) penalty or excess weight included to nighttime noise measurements given the increased sensitivity to noise in the evening.This normally results in it getting