Computer analysis of hoarseness.
The harmonic components in hoarse voice were separated from the noise components by using a small laboratory computer. The ratio of harmonics to noise or S/N ratio, was calculated and compared with the auditory impression for 58 subjects. The calculated results showed a definite correlation to the auditory impression, and it is suggested that this would be a useful method for the quantitative evaluation of hoarseness.
D003201:Computers; D005260:Female; D006685:Hoarseness; D006801:Humans; D007818:Laryngeal Diseases / Q000175:diagnosis; D008297:Male; D009622:Noise; D055585:Physical Phenomena; D010825:Physics; D013018:Sound Spectrography; D014831:Voice