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Updated: Sep 11, 2025

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Voice Quality in Pediatric Dysphonia: Assessing Expert Rater Reliability Across Three Perceptual Methods.

Supraja Anand1, Shaheen N Awan2, Yeonggwang Park2

  • 1Department of Communication Sciences & Disorders, University of South Florida, Tampa, FL.

Journal of Voice : Official Journal of the Voice Foundation
|August 15, 2025
PubMed
Summary
This summary is machine-generated.

Magnitude estimation (ME) showed high reliability for assessing pediatric voice quality, outperforming visual sort and rank (VSR) and Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) in some cases. This suggests ME may improve clinical voice assessments for children.

Keywords:
CAPE-VEstimationExpertsMagnitudePediatric dysphoniaRater reliabilityVisual sort and rankVoice quality perception

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Area of Science:

  • Speech-language pathology
  • Acoustic analysis
  • Voice disorders

Background:

  • The Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) is a standard tool for voice assessment, but its reliability with pediatric voices, particularly supraglottal voice sources (SGVS), is variable.
  • Laboratory-based methods like visual sort and rank (VSR) and magnitude estimation (ME) offer alternative approaches to perceptual voice quality assessment.

Purpose of the Study:

  • To compare the reliability of the CAPE-V, VSR, and ME methods for assessing breathy, rough, and strained voice qualities in pediatric dysphonic voices.
  • To investigate the reliability of these methods across different voice sources (SGVS and glottal vibratory source/GVS).

Main Methods:

  • 124 voice samples from children aged 4-11 years were analyzed.
  • Three expert listeners rated breathiness, roughness, and strain using VSR, ME, and CAPE-V.
  • VSR involved sorting and ranking voice samples; ME involved assigning a magnitude score (1-1000).

Main Results:

  • All three methods demonstrated high intra- and inter-rater reliability.
  • Magnitude estimation (ME) showed the highest intra-rater reliability across all voice qualities and sources.
  • ME yielded higher inter-rater reliability for SGVS samples, while VSR was more reliable for GVS samples.
  • Strong correlations were found between the three assessment methods.

Conclusions:

  • Expert clinicians showed similar reliability for CAPE-V, VSR, and ME in this controlled study.
  • Slight variations in reliability were noted between SGVS and GVS.
  • The ME task's ratio-level scaling may enhance reliability for broader clinical application, potentially aiding less experienced listeners.