Evidence of cue use and performance differences in deciphering dysarthric speech

Yu Kyong Choe, Julie Liss, Tamiko Azuma, Pamela Mathy

    Research output: Contribution to journalArticlepeer-review

    9 Scopus citations

    Abstract

    There is substantial performance variability among listeners who transcribe degraded speech. Error patterns from 88 listeners who transcribed dysarthric speech were examined to identify differential use of syllabic strength cues for lexical segmentation. Transcripts from listeners were divided into four groups (ranging from Better- to Poorer- performing). Phrases classified as Higher- and Lower-intelligibility were analyzed separately for each performance group to assess the independent variable of severity. Results revealed that all four listener groups used syllabic strength cues for lexical segmentation of Higher-intelligibility speech, but only the Poorer listeners persisted with this strategy for the Lower-intelligibility phrases. This finding and additional analyses suggest testable hypotheses to address the role of cue-use and performance patterns.

    Original languageEnglish (US)
    Pages (from-to)EL112-EL118
    JournalJournal of the Acoustical Society of America
    Volume131
    Issue number2
    DOIs
    StatePublished - Feb 2012

    ASJC Scopus subject areas

    • Arts and Humanities (miscellaneous)
    • Acoustics and Ultrasonics

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