Speech Prosody 2010

Chicago, IL, USA
May 10-14, 2010

Acoustic Cues to Lexical Stress in Spastic Dysarthria

Heejin Kim (1), Mark Hasegawa-Johnson (2), Adrienne Perlman (3)

(1) Beckman Institute; (2) Department of ECE; (3) Department of SHS; University of Illinois, Urbana-Champaign, USA

The current study examined the acoustic cues to lexical stress produced by speakers with spastic dysarthria and healthy control speakers. Of particular interest was the effect of stress location, which represented whether lexical stress was on the first vs. second syllable of the word. Results suggest that speakers with dysarthria convey lexical stress differently than do control speakers. The difference was greater for secondsyllable stressed words compared to first-syllable stressed words. In addition, for the first-syllable stressed words, speakers with dysarthria utilized the pitch and intensity cues to a greater degree compared to control speakers.

Index Terms: lexical stress, dysarthric speech, acoustic cues

Full Paper

Bibliographic reference.  Kim, Heejin / Hasegawa-Johnson, Mark / Perlman, Adrienne (2010): "Acoustic cues to lexical stress in spastic dysarthria", In SP-2010, paper 891.