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May 20, 2026Journal of Speech Language and Hearing Research

The Impact of Dysphonic Voice Quality on Children's Vowel Recognition in Noise

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Authors

MFMary M. FlahertyUniversity of Illinois Urbana-ChampaignNVNicole Unsihuay VilaPontifical Catholic University of PeruKIKeiko IshikawaUniversity of Kentucky

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Implication

Randomized trial demonstrates reduced vowel recognition in children with dysphonic voices, suggesting implications for educational settings.

Key Points

  • This study aims to examine the effect of dysphonic voice quality on vowel recognition in noise among children compared to adults.
  • Participants included 26 children (ages 8-17) and 13 adults (ages 18-21), all with normal hearing.
  • Listeners identified 11 vowels in noise from talkers with typical and dysphonic voices at two signal-to-noise ratios.
  • Acoustic measures, including CAPE-V ratings and CPP, were collected to predict recognition accuracy.
  • Recognition accuracy decreased with poor SNR and dysphonic voices compared to typical voices.
  • Adults showed higher performance than children, with children improving with age but less so for dysphonic voices.
  • Greater CAPE-V severity and strain correlated with poorer recognition, while higher CPP values linked to better performance.

Cite This Study

Flaherty et al. (2026) studied this question.

synapsesocial.com/papers/6a0d4fecf03e14405aa9b6fahttps://doi.org/10.1044/2026_jslhr-25-00724
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Also Consider

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  2. 2Classroom Acoustics for Enhancing Students' Understanding When a Teacher Suffers From a Dysphonic Voice2023 · 6 citations
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  4. 4Subjective and objective speech intelligibility investigations in primary school classrooms2012 · 88 citations
  5. 5Noise and a Speaker's Impaired Voice Quality Disrupt Spoken Language Processing in School-Aged Children: Evidence From Performance and Response Time Measures2020 · 28 citations