Air conducted and body conducted sound produced by own voice

Mie O. Hansen, Michael R. Stinson


When we speak, sound reaches our ears both through the air, from mouth to ear, and through our body, as vibrations. The ratio between the air borne and body conducted sound has been studied in a pilot experiment where the air borne sound was eliminated by isolating the ear with a large attenuation box. The ratio was found to lie between -15 dB to -7 dB, below 1 kHz, comparable with theoretical estimations. This work is part of a broader study of the occlusion effect and the results provide important input data for modelling the sound pressure change between an open and an occluded ear canal.


Mathematical models; Speech; Occlusion effect

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