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Article: Long-term average spectral characteristics of Cantonese alaryngeal speech

TitleLong-term average spectral characteristics of Cantonese alaryngeal speech
Authors
KeywordsAlaryngeal
Cantonese
Long-term
Spectrum
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/anl
Citation
Auris Nasus Larynx, 2009, v. 36 n. 5, p. 571-577 How to Cite?
Abstract
Objective: In Hong Kong, esophageal (SE), tracheoesophageal (TE), electrolaryngeal (EL), and pneumatic artificial laryngeal (PA) speech are commonly used by laryngectomees as a means to regain verbal communication after total laryngectomy. While SE and TE speech has been studied to some extent, little is known regarding the EL and PA sound quality. The present study examined the sound quality associated with SE, TE, EL, and PA speech, and compared with that associated with laryngeal (NL) speech by using long-term average speech spectra (LTAS). Methods: Continuous speech samples of reading a 136-word passage were obtained from NL, SE, TE, EL, and PA speakers of Cantonese. The alaryngeal speakers were all superior speakers selected from the New Voice Club of Hong Kong, which is a self-help organization for the laryngectomees in Hong Kong. TE speakers were fitted with Provox valve, and EL speakers used Servox-type electrolarynx. Speech samples were digitized at 20 kHz and 16 bits/sample by using Praat, based on which LTAS contours were developed. First spectral peak (FSP), mean spectral energy (MSE), and spectral tilt (ST) derived from the LTAS contours associated with different speaker groups were compared. Results: Data revealed all speakers generally exhibited similar LTA contours. However, PA speakers exhibited the lowest average FSP value and the greatest average MSE value. NL phonation was associated with a significantly greater ST value than alaryngeal speech of Cantonese. Conclusion: The differences in FSP, MSE, and ST values in different speaker groups may be related to the different sound sources being used by the laryngectomees, and the difference in the way the sound source is coupled with the vocal tract system. © 2009 Elsevier Ireland Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/82571
ISSN
2013 Impact Factor: 1.004
2013 SCImago Journal Rankings: 0.706
ISI Accession Number ID
References

 

Author Affiliations
  1. The University of Hong Kong
  2. null
  3. Sun Yat-Sen University
  4. Xi'an Jiaotong University
DC FieldValueLanguage
dc.contributor.authorNg, MLen_HK
dc.contributor.authorLiu, Hen_HK
dc.contributor.authorZhao, Qen_HK
dc.contributor.authorLam, PKYen_HK
dc.date.accessioned2010-09-06T08:30:52Z-
dc.date.available2010-09-06T08:30:52Z-
dc.date.issued2009en_HK
dc.identifier.citationAuris Nasus Larynx, 2009, v. 36 n. 5, p. 571-577en_HK
dc.identifier.issn0385-8146en_HK
dc.identifier.urihttp://hdl.handle.net/10722/82571-
dc.description.abstractObjective: In Hong Kong, esophageal (SE), tracheoesophageal (TE), electrolaryngeal (EL), and pneumatic artificial laryngeal (PA) speech are commonly used by laryngectomees as a means to regain verbal communication after total laryngectomy. While SE and TE speech has been studied to some extent, little is known regarding the EL and PA sound quality. The present study examined the sound quality associated with SE, TE, EL, and PA speech, and compared with that associated with laryngeal (NL) speech by using long-term average speech spectra (LTAS). Methods: Continuous speech samples of reading a 136-word passage were obtained from NL, SE, TE, EL, and PA speakers of Cantonese. The alaryngeal speakers were all superior speakers selected from the New Voice Club of Hong Kong, which is a self-help organization for the laryngectomees in Hong Kong. TE speakers were fitted with Provox valve, and EL speakers used Servox-type electrolarynx. Speech samples were digitized at 20 kHz and 16 bits/sample by using Praat, based on which LTAS contours were developed. First spectral peak (FSP), mean spectral energy (MSE), and spectral tilt (ST) derived from the LTAS contours associated with different speaker groups were compared. Results: Data revealed all speakers generally exhibited similar LTA contours. However, PA speakers exhibited the lowest average FSP value and the greatest average MSE value. NL phonation was associated with a significantly greater ST value than alaryngeal speech of Cantonese. Conclusion: The differences in FSP, MSE, and ST values in different speaker groups may be related to the different sound sources being used by the laryngectomees, and the difference in the way the sound source is coupled with the vocal tract system. © 2009 Elsevier Ireland Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/anlen_HK
dc.relation.ispartofAuris Nasus Larynxen_HK
dc.rightsAuris Nasus Larynx. Copyright © Elsevier BV.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAlaryngealen_HK
dc.subjectCantoneseen_HK
dc.subjectLong-termen_HK
dc.subjectSpectrumen_HK
dc.subject.meshAged-
dc.subject.meshAged, 80 and over-
dc.subject.meshAsian Continental Ancestry Group-
dc.subject.meshPhonetics-
dc.subject.meshSpeech, Alaryngeal - methods-
dc.titleLong-term average spectral characteristics of Cantonese alaryngeal speechen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0385-8146&volume=36&issue=5&spage=571&epage=577&date=2009&atitle=Long-term+average+spectral+characteristics+of+Cantonese+alaryngeal+speechen_HK
dc.identifier.emailNg, ML: manwa@hku.hken_HK
dc.identifier.authorityNg, ML=rp00942en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.anl.2008.12.005en_HK
dc.identifier.pmid19261410en_HK
dc.identifier.scopuseid_2-s2.0-68949189058en_HK
dc.identifier.hkuros170250en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-68949189058&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume36en_HK
dc.identifier.issue5en_HK
dc.identifier.spage571en_HK
dc.identifier.epage577en_HK
dc.identifier.isiWOS:000269758700011-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridNg, ML=15923631600en_HK
dc.identifier.scopusauthoridLiu, H=7409748780en_HK
dc.identifier.scopusauthoridZhao, Q=7402764065en_HK
dc.identifier.scopusauthoridLam, PKY=7202366058en_HK
dc.identifier.citeulike10639002-

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