Forward Coarticulation of Velar Movement at Marked Junctural Boundaries

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Abstract
The effects of marked junctural boundaries on the onset of forward velar coarticulation were studied using high-speed cinefluorographic techniques. Three subjects were filmed while producing a constant CVVN sequence with a variety of prosodically marked boundaries falling between the two vowels. Frame-by-frame tracings made of the velum and associated reference structures yielded plots of velar movement over the CVVN sequence. The results showed that the onset of forward coarticulation to the nasal consonant was consistently delayed in those cases where marked junctural boundaries were present. Previous data on velar coarticulation at unmarked boundaries were corroborated, and two patterns of velar movement are described.

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