This script displays three auditory spectrograms generated using the lopezpoveda2001. The input signal is the same, just presented at three different levels. The purpose is to visualize the broading of the auditory filters at higher input levels.
E. Lopez-Poveda and R. Meddis. A human nonlinear cochlear filterbank. J. Acoust. Soc. Am., 110:3107--3118, 2001.