The Influence of Receiver Size on Magnitude of Acoustic and Perceived Measures of Occlusion

Conclusions: Measured and perceived occlusion was minor in all receiver conditions. Occlusion was not correlated to ear canal volume, suggesting that RIC hearing aids most often result in negligible amounts of measured and perceived occlusion effect, regardless of ear canal size. Because no significant relationship existed between the occlusion measures, clinicians may need to consider that self-rating of occlusion may not match measured occlusion results.

from the American Journal of Audiology

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