Variation in Glottalization at Prosodic Boundaries in Clear and Plain Lab Speech
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Date
2015-05
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The Ohio State University
Abstract
Previous research on glottalization shows that this voice quality occurs more frequently at prosodic boundaries than in the middle of prosodic phrases. This study investigates ten speakers’ use of glottalization at prosodic boundaries in five passages read in both clear and plain lab speech. I analyzed each syllable in every passage for its voice quality (glottalized or modal) and for its prosodic boundary strength using the ToBI system. I found that glottalization is used regularly in phrase-final syllables, and that speakers use glottalization marginally more when preceded by a prosodic boundary than when phrase-medial. I found no evidence of a significant effect of speaking style on glottalization use.
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Keywords
voice quality, prosody, glottalization