A study of Vibrato: assessment by panel of judges compared to spectral voice analysis.

Conference (1998, August 27)

Presbyphonia voice differencies between the secties in the elderly. comparison by maximum phonation time, phonation quotient and spectral analysis

in Logopedics, Phoniatrics, Vocology (1997), 22

This study of 40 elderly subjects (30 women and 10 men) between the ages of 70 to 90, attempts to qualify and quantify their voices and to compare the results with a young population and to establish any ... [more ▼]

This study of 40 elderly subjects (30 women and 10 men) between the ages of 70 to 90, attempts to qualify and quantify their voices and to compare the results with a young population and to establish any differences between the two sexes. The measurements concerned the Vital Capacity (VC), the Maximum Phonation Time (MPT) and the Phonation Quotient (PQ). The equivalent values for a young population were compiled from the literature. Spectral voice analysis was also included in the study. The mean speaking fundamental frequency (Fo) of the voice changes with age; it increases in men and decreases in women (158 Hz in elderly men vs a normal value of 120 Hz; 205 Hz in elderly women vs a normal value of 225 Hz). Ageing influences the vital capacity to the advantage of men (median VC = 2.61 vs 1.61 in elderly men and women, respectively). For sustaining a vowel a, the Maximum Phonation Time (MPT) is significantly better in elderly men (median MPT = 16 sec in elderly men and 12 sec for women). Phonation Quotient does not differ significantly between sexes (median PQ = 153 ml/sec in elderly men and 152 ml/sec in elderly women). Although, the physical capacity of elderly women decreases, their vocal output remains very good when compared to young women. In elderly men, however, there is a phonation quotient decrease of 25 per cent compared to young men. [less ▲]

Mieux connaître sa Voix

Conference given outside the academic context (1996)

La logopédie: généraliste ou spécialiste?

Conference (1994, September 20)

Mieux connaître sa Voix

Conference given outside the academic context (1994)

La presbyphonie, mesures objectives et proposition thérapeutique.

Conference (1993, September 23)

Application de l'analyse fréquentielle à haute résolution

in Bulletin d'Audiophonologie (1993), IX(5), 490-497

Nous avons appliqué l'analyseur fréquentielle à haute résolution à une population de voix chantée. Au travers de ce travail, deux éléments importants apparaissent:1. La confirmation du formant du chanteur ... [more ▼]

Nous avons appliqué l'analyseur fréquentielle à haute résolution à une population de voix chantée. Au travers de ce travail, deux éléments importants apparaissent:1. La confirmation du formant du chanteur dans le placement de la voix dans les résonateurs. Il s'observe plus particulièrement sur un fondamental grave et s'acquiert par technique et expérience. 2. L'observation du vibrato, qu'il convient d'avoir vu avant, son observation graphique pourrait être considérée comme pathologique. [less ▲]

Application de l'analyse fréquentielle à haute résolution à l'étude de la voix chantée.

Conference (1992, October 15)

La Presbyphonie

Poster (1992, March 20)