Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

What is Day-Night Average Sound Level (DNL or Ldn)?

April 26, 2017average day-night dnl Ldn level sound

0

Posted

What is Day-Night Average Sound Level (DNL or Ldn)?

1 Answer

0

Posted

DNL (Ldn) stands for Day-Night Average Sound Level and is used to describe the cumulative noise exposure during an average annual day. Ldn does not represent the sound level heard at any particular time, but rather represents the total sound exposure.