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• W2938408020 abstract "Objective To analyze the Acoustic Voice Quality Index (AVQI) and the Acoustic Breathiness Index (ABI) concurrent validity and diagnostic accuracy with different speech materials. Methods Voices of 53 subjects (40 dysphonic; 13 vocally health) were recorded: vowel /a/ + counting numbers 1–20 (42 syllables) + reading text (138 syllables). Numbers and text were edited in order to achieve 3 seconds of voiced segments, such as the vowel /a/ (average of 18.81 and 32.49 syllables; confidence interval of 1.87 and 2.30). The audio files were edited to have 17 syllables for numbers and 32 for text. Three voice specialists perceptually judge the overall voice quality (G) and the breathiness (B). AVQI's and ABI's precision and concurrent validity were assessed. Results The intra- and inter-rater reliability were high. Reading text presented higher concurrent validity (r) than automatic speech and excellent area under the receiver-operating characteristic curve for AVQI (0.963) and ABI (0.929). Counting numbers presented good area under the receiver-operating characteristic curve for AVQI (0.870) and excellent for ABI (0.924). Counting numbers produced higher sensitivity for ABI (95.2%) and reading text higher specificity for both indexes (AVQI = 100%; ABI = 90.90%). Reading text presented higher AVQI and ABI scores than numbers, therefore, reading seems to reveal more vocal deviations; however, perceptual judgment can be similar in both samples. Conclusions Different speech materials may impact acoustic outcomes and certain voice characteristics may not be evident. Reading text offers higher diagnostic accuracy. Clinician and/or researchers must select and standardize the speech sample according to their goals." @default.
• W2938408020 created "2019-04-25" @default.
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• W2938408020 date "2020-09-01" @default.
• W2938408020 modified "2023-10-01" @default.
• W2938408020 title "Acoustic Voice Quality Index and Acoustic Breathiness Index: Analysis With Different Speech Material in the Brazilian Portuguese" @default.
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• W2938408020 doi "https://doi.org/10.1016/j.jvoice.2019.03.015" @default.
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