Abstract
This ongoing investigation is utilizing basic communication hardware originally distributed by Radio Shack. The earphones in these devices can work as microphones, receiving vocal utterances through the pharyngeal tissue. We are investigating the potential of such systems to monitor normal and abnormal swallowing sounds just like medical personnel monitor the heart and the lungs by auscultating with stethoscopes. Compared to regular passive stethoscopes, our setup permits stable location, signal amplification, noise filtration, digital storage, post-processing, and statistical analyses of the acoustics of deglutition. Initial findings of this study will be presented. The limitations of this study and future course of action will be discussed.
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