Hum and Otoacoustic Emissions May Arise Out of the Same Mechanisms

December 2013
Journal of Scientific Exploration;Winter2014, Vol. 27 Issue 4, p603
Academic Journal
Hum, a low-frequency subjective tone, affects approximately 2% of the population. Spontaneous otoacoustic emissions are sounds emit-ted from the inner ear, which in some cases are also perceived as tinnitus. The mechanisms of their generation, however, are still not well understood. In this paper, it is demonstrated that many properties reported by hum-sufferers (derived from both questionnaires and my own measurements) are also found in spontaneous otoacoustic emissions. The similarities of such responses suggest that both phenomena may be formed by the same mechanism. A hearing model is proposed that overcomes the limitations of the current models and explains the occurrences of spontaneous otoacous-tic emissions and hum.


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