Abstract

A physiologically based auditory model [O. Ghitza, J. Phon. 16(1), 109–123 (1988)] was tested against human psychophysical data. The model consists of a set of cochlear filters inferred from frequency selectivity of primary auditory fibers in cat, rate‐level processing, and synchrony extraction. Isoloudness contours for pure tones are calculated from the model and are compared to those measured in human by Fletcher and Munson (1933) and by Robinson and Dadson (1956). The model is also used to simulate Scharf's [J. Acoust. Am. 31, 365–370 (1959)] critical‐band measurements using complex sounds of four components. In addition, both calculated and measured critical‐band results are plotted as a function of cochlear place using formulas for human and cat cochlear maps in Greenwood's recent paper (submitted to J. Acoust. Soc. Am.). The comparison of calculated and measured data suggests possible improvements of the model. Laboratories, Acoustics Research Department.

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