Day-night normal amount, DNL or LDN: This measurement assesses the cumulative exposure to sound to get a 24-hour period (Leq about 24 hrs) of your year, having a 10 dB(A) penalty or body weight additional to nighttime noise measurements offered the greater sensitivity to noise during the night. And a https://noisereduction70233.bloggactivo.com/31354277/top-latest-five-thermal-performance-urban-news