Coronary heart disease detection from voice analysis

Coronary Heart Disease (CHD) is one of the major causes of death now-a-days. Due to increased stress level and many other reasons the heart disease are common in human. The heart problems affect the larynx and breathing and consequently the quality of speech. The current work is aimed at understanding the variation of voice parameter in the CHD patients. For processing the voice signal CSL (Computerized Speech Lab) model 4500 is used, it also contains MDVP (Multi Dimensional Voice Program), that analyzes and displays up to 22 voice parameters from a single voice analysis. The CHD group of 80 persons are compared by the group of 80 normal persons (named as control group) containing both male and female. The study shows the variations in Spectrogram, Long Term Average Spectrum (LTAS) and other voice parameters like jitter, shimmer, APQ of CHD group in comparison with the control group.