Summary
Objectives
The acoustic voice quality index (AVQI) is a specific acoustic indicator designed
to objectively estimate dysphonia severity and measure the values of acoustic parameters
based on the diagnostic category. This study compared the performance of two AVQI
versions (2.02 and 3.01, v2 and v3) and PraatCPPS using a voice sample of Korean population.
Materials and Methods
Voice samples for sustained vowel and connected speech were elicited from 2257 patients
across 14 diagnostic categories. Auditory-perceptual (A-P) assessments of dysphonia
severity were compared to acoustic parameters of severity derived from two versions
of the AVQI (v2 and v3) as well as the PraatCPPS.
Results
The AVQI-estimated severity (v2 and v3) and PraatCPPS severity for concatenated voice
samples strongly correlated with each other and were significantly associated with
A-P ratings. The AVQI (v2 and v3) and PraatCPPS showed high reliability in differentiating
between pathological voice disorders.
Conclusion
The AVQI (v2 and v3) and PraatCPPS were strongly correlated with the A-P ratings and
provided valid estimates of dysphonia severity. However, the associations of the A-P
ratings with the AVQIv2 were significantly stronger than those with the AVQIv3 and
PraatCPPS, suggesting that the V2 outperformed the V3 and PraatCPPS.
Key Words
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Article info
Publication history
Published online: December 06, 2018
Accepted:
November 21,
2018
Identification
Copyright
© 2018 The Voice Foundation. Published by Elsevier Inc. All rights reserved.
