Voice analysis may potentially screen and monitor diabetes
Voice synthesis involves the coordination of the respiratory system, the nervous system, and the larynx. High blood glucose levels over extended periods, as seen in T2DM, can affect the elasticity of the vocal cords. Long-term elevated glucose leads to complications such as peripheral neuropathy and myopathy, which can result in voice disorders and dysphagia. Additionally, T2DM has been linked to an increased prevalence of psychological disorders like depression and anxiety, which can cause vocal changes. Studies have shown distinct vocal differences between T2DM and nondiabetic individuals.
According to a recent study published in Mayo Clinic proceedings: Digital Health, Jaycee M. Kaufman and colleagues have said that Vocal changes are common in individuals with T2DM compared to those without. Voice analysis can serve as a prescreening or monitoring tool for T2DM when combined with other risk factors.
A total of 267 individuals, including 79 women and 113 men diagnosed as nondiabetic or T2DM according to American Diabetes Association guidelines, were recruited in India between August 30, 2021 and June 30, 2022. Participants recorded a fixed phrase up to six times daily using a smartphone application for two weeks, resulting in 18,465 recordings. Fourteen acoustic features were extracted from each recording to analyze differences between the patients and develop a methodology for predicting T2DM status.
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