Extension of the practical method by McKay et al. 2003 and Francart et al. 2014 (both from JASA) to predict loudness for sequential and simultaneous stimulation. See the figure LoudnessModel_Principle.png for a brief overview of the main functions used. For a detailed explanation see:
Langner, F., McKay, C.M., Büchner, A., Nogueira, W., 2020. Perception and prediction of loudness in sound coding strategies using simultaneous electric stimulation. Hearing Research. 398, 108091. https://doi.org/10.1016/j.heares.2020.108091
Francart, T., Innes-Brown, H., McDermott, H.J., McKay, C.M., 2014. Loudness of time-varying stimuli with electric stimulation. J. Acoust. Soc. Am. 135, 3513–9. doi:10.1121/1.4874597
McKay, C.M., Henshall, K.R., Farrell, R.J., McDermott, H.J., 2003. A practical method of predicting the loudness of complex electrical stimuli. J. Acoust. Soc. Am. 113, 2054–2063. doi:10.1121/1.1558378