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Article: Spectral analysis of hypernasality

TitleSpectral analysis of hypernasality
Authors
Issue Date2004
PublisherDelmar Cengage Learning. The Journal's web site is located at http://cengagesites.com/academic/?site=3802
Citation
Journal Of Medical Speech-Language Pathology, 2004, v. 12 n. 4, p. 173-177 How to Cite?
AbstractThe aim of this study was to further investigate one-third-octave analysis by (a) extending the application of the analysis to three vowels, /inverted a sign/, /inverted c sign/ and /u/, in addition to /i/ which has been investigated previously, and by (b) comparing the spectra of each vowel produced in oral and nasal consonant contexts for each speaker. The speakers included 20 individuals with hypernasality due to various etiologies and 20 control speakers. The speech materials were 18 Cantonese single words: nine were loaded with oral stops at syllable-initial and syllable-final positions and nine were loaded with nasal stops at syllable-initial and syllable-final positions. The results showed statistically significant differences between the experimental and control groups for the bands centered at 630, 800, and 2000 Hz for vowel /i/; at 3200 Hz for vowel /inverted a sign/; at 160, 1000, 2500, and 3200 Hz for vowel /inverted c sign/; and at 800 and 5000 Hz for vowel /u/. Most of the findings were in agreement with previous reports about nasalization of vowels. The study showed that individuals with normal resonance and hypernasality could be distinguished on the basis of their production of vowels /i/ and /inverted c sign/.
Persistent Identifierhttp://hdl.handle.net/10722/85412
ISSN
2011 Impact Factor: 0.18
2015 SCImago Journal Rankings: 0.234
References

 

DC FieldValueLanguage
dc.contributor.authorLee, ASYen_HK
dc.contributor.authorCioeca, Ven_HK
dc.contributor.authorWhitehill, TLen_HK
dc.date.accessioned2010-09-06T09:04:23Z-
dc.date.available2010-09-06T09:04:23Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal Of Medical Speech-Language Pathology, 2004, v. 12 n. 4, p. 173-177en_HK
dc.identifier.issn1065-1438en_HK
dc.identifier.urihttp://hdl.handle.net/10722/85412-
dc.description.abstractThe aim of this study was to further investigate one-third-octave analysis by (a) extending the application of the analysis to three vowels, /inverted a sign/, /inverted c sign/ and /u/, in addition to /i/ which has been investigated previously, and by (b) comparing the spectra of each vowel produced in oral and nasal consonant contexts for each speaker. The speakers included 20 individuals with hypernasality due to various etiologies and 20 control speakers. The speech materials were 18 Cantonese single words: nine were loaded with oral stops at syllable-initial and syllable-final positions and nine were loaded with nasal stops at syllable-initial and syllable-final positions. The results showed statistically significant differences between the experimental and control groups for the bands centered at 630, 800, and 2000 Hz for vowel /i/; at 3200 Hz for vowel /inverted a sign/; at 160, 1000, 2500, and 3200 Hz for vowel /inverted c sign/; and at 800 and 5000 Hz for vowel /u/. Most of the findings were in agreement with previous reports about nasalization of vowels. The study showed that individuals with normal resonance and hypernasality could be distinguished on the basis of their production of vowels /i/ and /inverted c sign/.en_HK
dc.languageengen_HK
dc.publisherDelmar Cengage Learning. The Journal's web site is located at http://cengagesites.com/academic/?site=3802en_HK
dc.relation.ispartofJournal of Medical Speech-Language Pathologyen_HK
dc.titleSpectral analysis of hypernasalityen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1065-1438&volume=12&spage=173&epage=175&date=2004&atitle=Spectral+Analysis+of+Hypernasalityen_HK
dc.identifier.emailWhitehill, TL: tara@hku.hken_HK
dc.identifier.authorityWhitehill, TL=rp00970en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-10944220892en_HK
dc.identifier.hkuros102454en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-10944220892&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue4en_HK
dc.identifier.spage173en_HK
dc.identifier.epage177en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLee, ASY=16426099200en_HK
dc.identifier.scopusauthoridCioeca, V=6503981331en_HK
dc.identifier.scopusauthoridWhitehill, TL=7004098633en_HK

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