Apparatus and method for diagnosing obstructive sleep apnea
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United States of America Patent
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Dec 19, 2017
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app pub date -
Aug 24, 2011
filing date -
Aug 26, 2010
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Abstract
An embodiment of the invention provides a method of diagnosing obstructive sleep apnea, the method comprising: acquiring a sleep sound signal comprising sounds made by a person during sleep; detecting a plurality of snore sounds in the sleep sound signal; determining a set of mel-frequency cepstral coefficients for each of the snore sounds; determining a characterizing feature for the sleep sound signal responsive to a sum of the variances of the cepstral coefficients; and using the characterizing feature to diagnose obstructive sleep apnea in the person.
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