Pitch sensation involves stochastic resonance.

Abstract:

:Pitch is a complex hearing phenomenon that results from elicited and self-generated cochlear vibrations. Read-off vibrational information is relayed higher up the auditory pathway, where it is then condensed into pitch sensation. How this can adequately be described in terms of physics has largely remained an open question. We have developed a peripheral hearing system (in hardware and software) that reproduces with great accuracy all salient pitch features known from biophysical and psychoacoustic experiments. At the level of the auditory nerve, the system exploits stochastic resonance to achieve this performance, which may explain the large amount of noise observed in the working auditory nerve.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Martignoli S,Gomez F,Stoop R

doi

10.1038/srep02676

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

2676

issn

2045-2322

pii

srep02676

journal_volume

3

pub_type

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