THE BEST SIDE OF ACOUSTIC PERFORMANCE

Working day-night common degree, DNL or LDN: This measurement assesses the cumulative exposure to sound for just a 24-hour time period (Leq above 24 hrs) with the 12 months, that has a 10 dB(A) penalty or weight extra to nighttime noise measurements provided the increased sensitivity to noise at night.Will you be prepared to give your roof a smoot