Equal Loudness Contour (and How to Use It) | by Dustin M. Chaffin | Medium
Loudness level (phon) An equal-loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a. - ppt video online download
Equal Loudness Contours
Equal Loudness Curves
AES E-Library » An Improved Weighting Curve Based on Equal-Loudness Contour
What is the Fletcher Munson Curve? Using Equal Loudness Curves in Mixing and Mastering