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. 2016 Dec 1;20:2331216516682698. doi: 10.1177/2331216516682698

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© The Author(s) 2016

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Transfer functions representing the combined effect of the outer and middle ear. The solid curve is for free-field presentation with frontal incidence. The dashed curve is for diffuse field presentation. The dashed-dotted curve shows the transfer function when the waveform is recorded close to each eardrum; in this case, the curve represents the transfer function of the middle ear.