| Quantifying dysphonia severity using a spectral/cepstral-based acoustic index: Comparisons with auditory-perceptual judgements from the CAPE-V. | |
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MedLine Citation:
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PMID: 20687828 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study investigated the relationship between acoustic spectral/cepstral measures and listener severity ratings in normal and disordered voice samples. CAPE-V sentence samples and the vowel /a/were elicited from eight normal speakers and 24 patients with varying degrees of dysphonia severity. Samples were analysed for measures of the cepstral peak prominence (CPP), the ratio of low-to-high spectral energy, and their respective standard deviations. Perceptual ratings of overall severity were also obtained for all samples. Results showed that all acoustic variables combined in a four-factor model which correlated with perceived severity with R = 0.81 (R(2) = 0.65). For the vowel /a/, a five-factor model incorporating all acoustic variables and gender correlated with perceived severity with R = 0.96 (R(2) = 0.91). Results indicate that a strong relationship between perceptual and acoustic estimates of dysphonia severity can be achieved in both continuous speech and vowel contexts using a model incorporating spectral/cepstral measures. |
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Authors:
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Shaheen N Awan; Nelson Roy; Marie E Jetté; Geoffrey S Meltzner; Robert E Hillman |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical linguistics & phonetics Volume: 24 ISSN: 1464-5076 ISO Abbreviation: Clin Linguist Phon Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2010-08-16 Completed Date: 2010-12-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8802622 Medline TA: Clin Linguist Phon Country: England |
Other Details:
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Languages: eng Pagination: 742-58 Citation Subset: IM |
Affiliation:
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Department of Audiology & Speech Pathology, Bloomsburg University of Pennsylvania, Bloomsburg, PA 17815-1301, USA. sawan@bloomu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustics* Adult Aged Auditory Perception* Dysphonia / diagnosis, psychology Female Humans Judgment Language Loudness Perception Male Middle Aged Reference Values Speech Speech Disorders / psychology* Voice Quality* |
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