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A dynamic acoustic view of real-time change in word-final liquids in spontaneous Glaswegian

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  • Jane Stuart-Smith
  • Robert Lennon
  • Rachel MacDonald
  • Duncan Robertson
  • Márton Sóskuthy
  • Brian José
  • Ludger Evers
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Publication date10/08/2015
Host publicationProceedings of the 18th International Congress of Phonetic Sciences
Place of PublicationLondon
PublisherInternational Phonetic Association
Number of pages5
ISBN (electronic)9780852619414
<mark>Original language</mark>English

Abstract

This paper investigates the acoustic evidence for real-time change in word-final liquids (/r/ and /l/) in a small-scale study of older male Glaswegian speakers recorded from the 1970s to the 2000s. A dynamic acoustic analysis of the first three formants across the duration of the rhyme (vowel+liquid sequence) shows significant effects of preceding and following phonetic context on the course and trajectories of the formant tracks. We also find raising of F3 for /r/ in speakers who were born and recorded more recently; F2 is lowering for /l/ in the same speakers. Comparison of F2 across the two word-final liquids suggests that /r/ is clearer than /l/ for this Scottish dialect; interestingly the polarity in resonance between /r/ and /l/ is increasing over time.