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Cued Speech Transliteration: Effects of Accuracy and Lag Time on Message Intelligibility
Jean C Krause1, Katherine A Lopez1
1University of South Florida.
Journal of Deaf Studies and Deaf Education
|September 30, 2017
Summary
This study found that the accuracy of Cued Speech (CS) transliterators significantly impacts message intelligibility for deaf students. Higher accuracy, especially above 65%, is crucial for effective communication access in educational settings.
Area of Science:
- Linguistics
- Education
- Audiology
Background:
- Educational interpreters provide access for students who are deaf or hard of hearing.
- Previous research focused on the accuracy of Cued Speech (CS) transliterators.
- This study investigates factors influencing the intelligibility of CS messages.
Purpose of the Study:
- To explore factors affecting the intelligibility of Cued Speech messages for deaf consumers.
- To determine the relationship between message accuracy and intelligibility.
- To identify optimal lag times for Cued Speech transliteration.
Main Methods:
- Eight highly skilled receivers of Cued Speech participated.
- Intelligibility of CS messages was assessed.
- The effect of accuracy and lag time on intelligibility was analyzed.
Main Results:
- Overall intelligibility (72%) was higher than average accuracy (61%).
- Accuracy significantly influenced intelligibility, explaining 26% of the variance.
- Intelligibility decreased sharply below 65% accuracy.
- Optimal intelligibility was observed with lag times between 0.6 and 1.8 seconds.
Conclusions:
- Message accuracy is a critical factor for Cued Speech intelligibility.
- Transliterators' variability in speech readability and non-manual markers may affect intelligibility.
- Further research into Cued Speech and other communication methods is vital for educational accessibility.
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