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  • Title: Aerodynamic measures of speech in unilateral vocal fold paralysis (UVFP) patients.
    Author: Pinho CM, Jesus LM, Barney A.
    Journal: Logoped Phoniatr Vocol; 2013 Apr; 38(1):19-34. PubMed ID: 22741532.
    Abstract:
    This paper reports the recording and analysis of an aerodynamic database of 51 words produced by four patients with unilateral vocal fold paralysis. The vowel-fricative-vowel boundaries were manually annotated, and the mean absolute oral airflow amplitude (OA), fundamental frequency (f0), and first formant intensity (IF1) were extracted from a 20 ms window in the steady state of each phone. A case study approach to analysis of phonatory behaviour for the subjects is presented. Significant differences were found between the absolute OA and IF1 for different phones. Large between-subject variations in absolute measures for OA and f0 were found. Relative values calculated from the difference in these parameters between phones show consistency for subjects of the same gender.
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