Objective evaluation of dysphonia: preliminary results of a device allowing simultaneous acoustic and aerodynamic measurements.
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.
Giovanni
A
A
Federation ORL CHU La Timone, Marseille, France.
Robert
D
D
Estublier
N
N
Teston
B
B
Zanaret
M
M
Cannoni
M
M
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012123:Pulmonary Ventilation; D013018:Sound Spectrography; D013061:Speech Acoustics; D014827:Vocal Cords / Q000503:physiopathology; D014832:Voice Disorders / Q000175:diagnosis* / Q000503:physiopathology