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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Hear Res. 2013 Sep 12;305:10.1016/j.heares.2013.08.017. doi: 10.1016/j.heares.2013.08.017

Figure 3.

Figure 3

Detectability of AM tones as a function of fc and fm according to data of Zwicker (1952), which is the most complete to date. Three fcs were tested (0.25, 1 and 4 kHz), as indicated by the black curves, over a wide range of fms. Further details are given in the text. The major result for present purposes is the peak in sensitivity centered at fm = 4 Hz. Note also the overall increase in sensitivity in going to toward the basal region of the cochlea (higher fcs), which play an overall stronger role in temporal envelope processing.