EXAMINE THIS REPORT ON URBAN NOISE SOLUTIONS

Day-night time normal amount, DNL or LDN: This measurement assesses the cumulative publicity to sound for a 24-hour interval (Leq over 24 hrs) on the 12 months, that has a 10 dB(A) penalty or body weight included to nighttime noise measurements presented the improved sensitivity to noise at nighttime.The first acoustic instrument was the human voi