Cargando…
An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices
This paper investigates the effectiveness of measures related to vocal tract characteristics in classifying normal and pathological speech. Unlike conventional approaches that mainly focus on features related to the vocal source, vocal tract characteristics are examined to determine if interaction e...
Autores principales: | , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Hindawi Publishing Corporation
2013
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3832970/ https://www.ncbi.nlm.nih.gov/pubmed/24288686 http://dx.doi.org/10.1155/2013/758731 |
_version_ | 1782291765886189568 |
---|---|
author | Lee, Jung-Won Kang, Hong-Goo Choi, Jeung-Yoon Son, Young-Ik |
author_facet | Lee, Jung-Won Kang, Hong-Goo Choi, Jeung-Yoon Son, Young-Ik |
author_sort | Lee, Jung-Won |
collection | PubMed |
description | This paper investigates the effectiveness of measures related to vocal tract characteristics in classifying normal and pathological speech. Unlike conventional approaches that mainly focus on features related to the vocal source, vocal tract characteristics are examined to determine if interaction effects between vocal folds and the vocal tract can be used to detect pathological speech. Especially, this paper examines features related to formant frequencies to see if vocal tract characteristics are affected by the nature of the vocal fold-related pathology. To test this hypothesis, stationary fragments of vowel /aa/ produced by 223 normal subjects, 472 vocal fold polyp subjects, and 195 unilateral vocal cord paralysis subjects are analyzed. Based on the acoustic-articulatory relationships, phonation for pathological subjects is found to be associated with measures correlated with a raised tongue body or an advanced tongue root. Vocal tract-related features are also found to be statistically significant from the Kruskal-Wallis test in distinguishing normal and pathological speech. Classification results demonstrate that combining the formant measurements with vocal fold-related features results in improved performance in differentiating vocal pathologies including vocal polyps and unilateral vocal cord paralysis, which suggests that measures related to vocal tract characteristics may provide additional information in diagnosing vocal disorders. |
format | Online Article Text |
id | pubmed-3832970 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Hindawi Publishing Corporation |
record_format | MEDLINE/PubMed |
spelling | pubmed-38329702013-11-28 An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices Lee, Jung-Won Kang, Hong-Goo Choi, Jeung-Yoon Son, Young-Ik Biomed Res Int Research Article This paper investigates the effectiveness of measures related to vocal tract characteristics in classifying normal and pathological speech. Unlike conventional approaches that mainly focus on features related to the vocal source, vocal tract characteristics are examined to determine if interaction effects between vocal folds and the vocal tract can be used to detect pathological speech. Especially, this paper examines features related to formant frequencies to see if vocal tract characteristics are affected by the nature of the vocal fold-related pathology. To test this hypothesis, stationary fragments of vowel /aa/ produced by 223 normal subjects, 472 vocal fold polyp subjects, and 195 unilateral vocal cord paralysis subjects are analyzed. Based on the acoustic-articulatory relationships, phonation for pathological subjects is found to be associated with measures correlated with a raised tongue body or an advanced tongue root. Vocal tract-related features are also found to be statistically significant from the Kruskal-Wallis test in distinguishing normal and pathological speech. Classification results demonstrate that combining the formant measurements with vocal fold-related features results in improved performance in differentiating vocal pathologies including vocal polyps and unilateral vocal cord paralysis, which suggests that measures related to vocal tract characteristics may provide additional information in diagnosing vocal disorders. Hindawi Publishing Corporation 2013 2013-10-31 /pmc/articles/PMC3832970/ /pubmed/24288686 http://dx.doi.org/10.1155/2013/758731 Text en Copyright © 2013 Jung-Won Lee et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Lee, Jung-Won Kang, Hong-Goo Choi, Jeung-Yoon Son, Young-Ik An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title | An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title_full | An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title_fullStr | An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title_full_unstemmed | An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title_short | An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices |
title_sort | investigation of vocal tract characteristics for acoustic discrimination of pathological voices |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3832970/ https://www.ncbi.nlm.nih.gov/pubmed/24288686 http://dx.doi.org/10.1155/2013/758731 |
work_keys_str_mv | AT leejungwon aninvestigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT kanghonggoo aninvestigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT choijeungyoon aninvestigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT sonyoungik aninvestigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT leejungwon investigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT kanghonggoo investigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT choijeungyoon investigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices AT sonyoungik investigationofvocaltractcharacteristicsforacousticdiscriminationofpathologicalvoices |