Objective evaluation of dysphonia: Preliminary results of a device allowing simultaneous acoustic and aerodynamic measurements

Author(s): Robert, D., Estublier, N., Teston, B., Zanaret, M., Cannoni, M.

Journal/Book: Folia Phoniatr Logopaed. 1996; 48: Allschwilerstrasse 10, CH-4009 Basel, Switzerland. Karger. 175-185.

Abstract: Voice quality analysis was performed in 88 normal speakers and 157 dysphonic speakers using a device that allows simultaneous study of acoustic and aerodynamic parameters during pronunciation of a sustained /a/. We compared the results with those of voice quality grading by a jury. The Mann-Whitney test showed significant differences between the grades of dysphonia for all the parameters chosen. Comparison of results (using discriminant factorial analysis) with perceptual evaluation by a jury showed concordance in 66.1%. Based on these preliminary results, the authors conclude that their protocol overlooks some relevant voice parameters like middle-term variations. Further study will be undertaken to take into account this type of variations.

Note: Article A Giovanni, Chu Timone, Federat ORL, Hosp Ctr, F-13385 Marseille 5, France

Keyword(s): dysphonia; aerodynamic parameters of the voice; jitter; perceptual voice analysis; spectral analysis; AIR-FLOW; FREQUENCY; PHONATION; ANALYZER; QUALITY; JITTER

Zurück | Weiter