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Variability in the duration of vocalic intervals in poetry reading
Vavřičková, Barbora ; Šturm, Pavel (advisor) ; Chládková, Kateřina (referee)
This bachelor thesis deals with the variability of temporal characteristics, namely speech rate and duration of vowel intervals. The theoretical part first summarizes general knowledge about articulatory, acoustic, perceptual, and phonological properties of vowels, and explains speech rate with vowel duration. This is followed by a chapter focusing on factors of variability that affect both speech rate and vowel duration. The analysis of these factors is the subject of the practical part. Three specific analyses investigate 32 recordings of the recitation of Gellner's poem XXXI. First, the speech rate and its variability are analysed for speakers, lines, and verses. The analysis of vowel duration in the poem examines individual factors that may have an influence on quantitative differences. The final part of the analysis focuses more specifically on comparing individual couplets and the words within repeated verses. The results showed that the tempo of unrepeated verses decreases, while the tempo of repeated verses slightly increases. In terms of duration, vowels in final phrases, vowels without glottal stop and unaccented vowels were found to be longer.
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