Digtal eavesdropper: acoustic speech characteristics as markers of exacerbations in COPD patients

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dc.contributor.advisorStrik, W.A.J.
dc.contributor.advisorJanse, E.
dc.contributor.authorMerkus, J.
dc.date.issued2019-08-21
dc.description.abstractResearch suggests that speech deterioration indicates an exacerbation in patients with chronic obstructive pulmonary disease (COPD). This study provides a comparison of read speech of 9 stable COPD patients and 5 healthy controls (I) and 9 stable COPD patients and 9 COPD patients in exacerbation (II). Results showed a significant effect of condition on the number of (non-linguistic) in- and exhalations per syllable (I, II) and the ratio of voiced and silence intervals (II). Also, sustained vowels by 10 COPD patients in exacerbation were compared with 10 vowels in stable condition (III). Results showed an effect of condition on duration, shimmer, harmonics-to-noise ratio (HNR) and voice breaks. It was concluded that HNR, vowel duration and the number of (non-linguistic) in- and exhalations per syllable show potential for remote monitoring. Further research is needed to examine the validity of the results for natural speech and larger sample sizes.en_US
dc.embargo.lift10000-01-01
dc.embargo.typePermanent embargoen_US
dc.file.source5d66889b7c053-Merkus_4462661_Thesis_finaleversie_STIP.pdfen_US
dc.identifier.urihttps://theses.ubn.ru.nl/handle/123456789/8966
dc.language.isoenen_US
dc.thesis.facultyFaculteit der Letterenen_US
dc.thesis.specialisationTaal- en spraakpathologieen_US
dc.thesis.studyprogrammeMaster Taalwetenschappen/Linguisticsen_US
dc.thesis.typeMasteren_US
dc.titleDigtal eavesdropper: acoustic speech characteristics as markers of exacerbations in COPD patientsen_US
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