9/24/2023 0 Comments Descargar praatAll information on the development of the AVQI can be found in Maryn et al. Fourth, for the AVQI to be useful in clinical voice practice for tracking overall voice quality in time and across treatment, it has to be sufficiently valid, accurate and above all responsive to change. It is linked to phenomena occuring in different signal domains (click here for more information on time-domain, frequency-domain and quefrency-domain), and therefore the AVQI should be constructed on multiple acoustic markers from different domains. Third, overall voice quality is multidimensional and thus not related to a sole physical variable or a unique psychoacoustical determinant. Second, because such clinical and auditory-perceptual ratings of overall voice quality and dysphonia severity differ between two speech tasks such as sustained vowel continuous speech (Maryn & Roy, 2012), the AVQI needs to reflect overall voice quality from at least these two speech tasks in order to be representative for daily voice use patterns. First, auditory perception is the subjective criterion upon which any objective tool has to be validated. The Acoustic Voice Quality Index (i.e., AVQI) has been developed to do what its name says: to measure overall voice quality with objective and acoustic markers for clinical purposes. Once verified and considered correct, she/he will receive an e-mail with a unique code to access video and plug-in. To do so, she/he has to complete the contact form with her/his specific request and her/his personal VVL membership number. A member of the Vlaamse Vereniging voor Logopedisten (VVL Flemish Association of Speech-Language Therapists) can access the instructional video on Acoustic Voice Quality Index v.02.06 and download this plug-in with 60% price reduction (the same counts for Dysphonia Severity Index v.02.03).
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