Clinical Linguistics & Phonetics (ISSN 0269

TEIXEIRA, António; NUNES, Ana Margarida; COIMBRA, Rosa Lídia; LIMA, Rosa & MOUTINHO,
Lurdes - “Voice Quality with Psychological Origin: A Case Study”, Clinical Linguistics &
Phonetics (ISSN 0269-9206), Vol. 22, Issue: 10-11, 2008, pp. 906-916.
Variations in voice quality are essentially related to modifications of the glottal source
parameters, such as: F 0, jitter, and shimmer. Voice quality is affected by prosody,
emotional state, and vocal pathologies. Psychogenic vocal pathology is particularly
interesting. In the present case study, the speaker naturally presented a ventricular band
voice whereas in a controlled production he was able to use a more normal phonation
process. A small corpus was recorded which included sustained vowels and short sentences
in both registers.
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