Acoustic, perceptual, aerodynamic and anatomical correlations in voice pathology
| Autor: | Dejonckere Ph, J Lebacq |
|---|---|
| Přispěvatelé: | UCL - MD/FSIO - Département de physiologie et pharmacologie |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Adult
Male Sound Spectrography Adolescent Voice Quality Speech recognition Voice accoustics Vocal Cords Speech Acoustics Aerodynamics Phonation Cepstrum medicine Humans Set (psychology) Child Mathematics Aged Aged 80 and over Voice Disorders Laryngoscopy Perceptual rating Dysphonia Voice pathology Phonation flow Roughness Breathiness Noise Formant medicine.anatomical_structure Harshness Otorhinolaryngology Vocal folds Child Preschool Principal component analysis Female |
| Zdroj: | ORL : journal for oto-rhino-laryngology and its related specialties, Vol. 58, no.6, p. 326-332 (2021) |
| Popis: | A principal components analysis was performed on a set (10) of acoustic, aerodynamic, perceptual and laryngoscopic data obtained from 87 dysphonic patients. Two principal components were clearly identified: the first represents in some way the glottal air leakage, resulting in turbulent noise, particularly obvious in higher spectral frequencies, and giving the perceptual impression of breathiness; the second accounts rather for the degree of aperiodicity in vocal fold oscillation, reflected in jitter measurements and with a perceptual correlate of harshness or roughness. Morphological changes of vocal folds correlate more closely with this second principal component. Among acoustic parameters, harmonics-to-noise ratio in the formant zone and magnitude of the dominant cepstrum peak seem to integrate to some extent the effects of both principal components. |
| Databáze: | OpenAIRE |
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