Day-night average degree, DNL or LDN: This measurement assesses the cumulative exposure to sound for just a 24-hour period of time (Leq over 24 hrs) of the 12 months, having a 10 dB(A) penalty or body weight included to nighttime noise measurements provided the improved sensitivity to noise in the https://trentoncuhia.wssblogs.com/32087360/helping-the-others-realize-the-advantages-of-urban-noise-solutions