Investigating the impact of lip visibility and talking style on speechreading performance

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    Abstract

    It has long been known that visual information from a talker's mouth and face plays an important role in the perception and understanding of spoken language. The reported experiments explore the impact of lip visibility (Experiments 1 & 2) and speaking style (Experiment 2) on talker speechreadability. Specifically we compare speechreading performance (words in Experiment 1; sentences in Experiment 2 with low level auditory input) from talkers with natural lips, with brightly coloured lips and with concealed lips. Results reveal that highlighting the lip area by the application of lipstick or concealer improves speechreading, relative to natural lips. Furthermore, speaking in a clear (rather than conversational) manner improves speechreading performance, with no interaction between lip visibility and speaking style. Results are discussed in relation to practical methods of improving speechreading and in relation to attention and movement parameters.© 2013 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)600-605
    Number of pages5
    JournalSpeech Communication
    Volume55
    Issue number5
    DOIs
    Publication statusPublished - Jun 2013

    Keywords

    • Lip visibility
    • Speaking style
    • Speechreadability
    • Speechreading

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