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Working Papers in Phonetics Department of Linguistics, UCLA
 

Summary: Working Papers in Phonetics
Department of Linguistics, UCLA
(University of California, Los Angeles)
Year 2007 Paper No105 8
Optical Cues to the Visual Perception of
Lexical and Phrasal Stress in English
This paper is posted at the eScholarship Repository, University of California.
http://repositories.cdlib.org/uclaling/wpp/No105 8
Copyright c 2007 by the authors.
Optical Cues to the Visual Perception of
Lexical and Phrasal Stress in English
Abstract
In a study of optical cues to the visual perception of stress, three American
English talkers spoke words that differed in lexical stress and sentences that
differed in phrasal stress, while video and movements of the face were recorded.
In a production analysis, stressed vs. unstressed syllables from these utterances
were compared along many measures of facial movement, which were generally
larger and faster under stress. In a visual perception study, 16 perceivers iden-
tified the location of stress in forced-choice judgments of video clips of these
utterances (without audio). Phrasal stress (54% correct vs. 25% chance) was

  

Source: Alwan, Abeer - Electrical Engineering Department, University of California at Los Angeles

 

Collections: Computer Technologies and Information Sciences