Abstract

Preliminary results are presented on a model of binaural hearing in which the firing patterns on the auditory nerve are regarded as inputs to a central processor. The model is a continuation of work by W. M. Siebert on monaural phenomena, and the random-process description of the firing patterns is based on data from the cat. Initially, it is assumed that the processes for the two ears are statistically independent and the central processor is ideal. Predictions are derived for jnd's in interaural time and amplitude for tone bursts as a function of the amplitudes in the two ears, the interaural time delay, and the frequency and duration of the tone burst. These results define the limitations on performance imposed by the peripheral transformation. A more realistic model is achieved by placing restrictions on the central processor. The theoretical results are compared with available data. [Work supported principally by a grant from the National Institutes of Health and in part by the Joint Services Electronics Program.]

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