We all know that a sound become noisy when it reach 80/90 db. Over 120 db, a noise is considered dangerous. The power of the sound (in db) is the main factor. A second factor is the duration of a noise: the longer you listen a noise, the more it become dangerous.

But what is the effect of the frequency?

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.