Beschreibung:
<jats:p>Rectification in the ear is of some importance in the study of propeller noise. Data on this phenomenon have been obtained by using modulated signals. Twenty out of twenty-one observers were able to hear the modulating frequency as a result of rectification. Quantitative estimates of the magnitude of this subjective tone have been obtained. Measurements have been made of the increase in loudness level due to rectification. Results indicate that rectification may be a property of the basilar membrane rather than of the ear drum or the ossicles of the middle ear, as previously supposed.</jats:p>