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Obstructive sleep apnea patients voice analysis. | LitMetric
Unlabelled : It is generally considered that obstructive sleep apnea may associate larynx abnormalities--either anatomic or functional in nature; considering the vocal tract as a series of uniform loss cylindrical pipes the idea of non-invasively exploring this by means of spectral analysis emerged. The aim of our study is to evaluate potential changes in acoustic features of voice in sleep apnea patients as compared to matched controls in order to develop a potential screening test.Material And Method : Sleep apnea subjects and controls were asked to produce sustained vowels such as "a" and "i" which were recorded and analyzed. Some parameters were estimated--average of fundamental frequency, peak amplitude variation and compared and others are still to be developed.
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