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Article: Aerodynamic characteristics associated with oesophageal and tracheoesophageal speech of Cantonese

TitleAerodynamic characteristics associated with oesophageal and tracheoesophageal speech of Cantonese
Authors
KeywordsCantonese
Laryngectomy
oesophageal
tracheoesophageal
Issue Date2011
PublisherInforma. The Journal's web site is located at http://informahealthcare.com/loi/asl
Citation
International Journal Of Speech-Language Pathology, 2011, v. 13 n. 2, p. 137-144 How to Cite?
AbstractThe present study investigated the aerodynamic differences between standard oesophageal (SE) and tracheoesophageal (TE) speech. Airflow and air pressure values below the pharyngoesophageal segment were obtained from 10 SE and 12 TE superior speakers of Cantonese. Airflow data were directly measured from sustained vowels, and sub-pharyngoesophageal segment pressure was estimated from /ip hip hi/ syllables produced by the alaryngeal speakers. Results indicated that SE speech was associated with a lower rate of airflow and a higher pressure below the pharyngoesophageal segment than TE speech. SE and TE speakers exhibited an average airflow and sub-pharyngoesophageal segment pressure values of 70.50 mL/s and 134.15 mL/s, and 25.13 cm H 2O and 22.61 cm H 2O, respectively. Using the airflow and sub-pharyngoesophageal segment pressure, neoglottal resistance values were derived. The estimated neoglottal resistance was greater in SE speakers than in TE speakers. It is speculated that such difference in neoglottal resistance may be related to the use of different air reservoir mechanisms between SE and TE speakers. Such information will help speech-language pathologists design better speech therapy regimes for SE and TE speakers by understanding more about the difference between SE and TE phonation. © 2011 The Speech Pathology Association of Australia Limited.
Persistent Identifierhttp://hdl.handle.net/10722/133651
ISSN
2015 SCImago Journal Rankings: 0.543
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNg, MLen_HK
dc.date.accessioned2011-05-24T02:13:28Z-
dc.date.available2011-05-24T02:13:28Z-
dc.date.issued2011en_HK
dc.identifier.citationInternational Journal Of Speech-Language Pathology, 2011, v. 13 n. 2, p. 137-144en_HK
dc.identifier.issn1754-9515en_HK
dc.identifier.urihttp://hdl.handle.net/10722/133651-
dc.description.abstractThe present study investigated the aerodynamic differences between standard oesophageal (SE) and tracheoesophageal (TE) speech. Airflow and air pressure values below the pharyngoesophageal segment were obtained from 10 SE and 12 TE superior speakers of Cantonese. Airflow data were directly measured from sustained vowels, and sub-pharyngoesophageal segment pressure was estimated from /ip hip hi/ syllables produced by the alaryngeal speakers. Results indicated that SE speech was associated with a lower rate of airflow and a higher pressure below the pharyngoesophageal segment than TE speech. SE and TE speakers exhibited an average airflow and sub-pharyngoesophageal segment pressure values of 70.50 mL/s and 134.15 mL/s, and 25.13 cm H 2O and 22.61 cm H 2O, respectively. Using the airflow and sub-pharyngoesophageal segment pressure, neoglottal resistance values were derived. The estimated neoglottal resistance was greater in SE speakers than in TE speakers. It is speculated that such difference in neoglottal resistance may be related to the use of different air reservoir mechanisms between SE and TE speakers. Such information will help speech-language pathologists design better speech therapy regimes for SE and TE speakers by understanding more about the difference between SE and TE phonation. © 2011 The Speech Pathology Association of Australia Limited.en_HK
dc.languageengen_US
dc.publisherInforma. The Journal's web site is located at http://informahealthcare.com/loi/aslen_US
dc.relation.ispartofInternational Journal of Speech-Language Pathologyen_HK
dc.subjectCantoneseen_HK
dc.subjectLaryngectomyen_HK
dc.subjectoesophagealen_HK
dc.subjecttracheoesophagealen_HK
dc.titleAerodynamic characteristics associated with oesophageal and tracheoesophageal speech of Cantoneseen_HK
dc.typeArticleen_HK
dc.identifier.emailNg, ML: manwa@hku.hken_HK
dc.identifier.authorityNg, ML=rp00942en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.3109/17549507.2011.534176en_HK
dc.identifier.pmid21480810-
dc.identifier.scopuseid_2-s2.0-79954492395en_HK
dc.identifier.hkuros185208en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79954492395&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume13en_HK
dc.identifier.issue2en_HK
dc.identifier.spage137en_HK
dc.identifier.epage144en_HK
dc.identifier.eissn1754-9515-
dc.identifier.isiWOS:000288628200004-
dc.identifier.scopusauthoridNg, ML=15923631600en_HK

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