A set of contours that reveal the sensitivity of the ear for certain physical loudness levels. It shows that at lower frequencies the sensitivity of the ear is lower (certainly at lower physical loudness levels.


Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.