Abstract
In the measurements of the basilar membrane velocity as well as the auditory nerve responses to acoustic stimulation, it has been observed that low frequencies arrive at the measurement location (or the tonotopically located auditory nerve fiber) earlier and high frequencies arrive later, with significant delay noticed in the characteristic frequency component. In the derived impulse responses as well as click responses, this phenomenon manifests as the instantaneous frequency glide from low to high frequencies. The origin of these frequency glides has not yet been satisfactorily explained. In this paper, a simple elucidation along with experimental validation using measurements made on guinea pigs is presented for the plausible origin of the frequency glides observed in the cochlea.
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