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Updated: Jul 14, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
[Acoustic voice analysis: reliability of a set of multi-dimensional parameters]
J González1, T Cervera, J L Miralles
1Departamento de Psicología Básica, Clínica y Psicobiología, Universidad Jaume I, 12080 Castellón. gonzalez@psb.uji.es
Abstract:
A correlational study of the reliability of acoustic voice parameters was made of 148 healthy adults. Acoustic analysis was performed with MDVP-Multi-Dimensional Voice Program implemented in a CSL-Computerized Speech Lab of Kay Elemetrics. A set of 29 voice parameters were obtained from two samples of sustained vowel /a/ recorded from each subject. General results separated by sex are showed and the test-retest reliability in each pair of measures was calculated. Data show a high intra-subject stability of Frequency Fundamental parameters; acceptable stability in parameters of Frequency and Amplitude Perturbation, Noise, Subharmonics and Voice irregularities; and a very low consistency in Tremor parameters. Parameters related with shimmer were more reliable than parameters related with jitter. According to results several conclusions are reported.
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