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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2012 May 29;198(8):617–624. doi: 10.1007/s00359-012-0734-1

Fig. 3.

Fig. 3

Tiger DPOAEs from the two older animals. The figure shows the magnitude and phase of both the lower- and upper-side band cubic distortion products (2f1 - f2 dark curves, 2f2 - f1 grey curves). The dashed line provides an estimate of the mean noise floor obtained by loess smoothing. The phase curves have been corrected for approximate ear-canal delays. The stimulus parameters were L1 = L2 = 65 dB SPL and f2/f1 = 1.22