DECTalk and MacinTalk speech synthesizers: Intelligibility differences for three listener groups

Katherine C. Hustad, Ray D. Kent, David R. Beukelman

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


This study examined word level intelligibility differences between DECTalk and MacinTalk speech synthesizers using the Modified Rhyme Test in an open format transcription task. Three groups of listeners participated: inexperienced, speech-language pathologists, and speech synthesis experts. Results for between-subjects ANOVA showed that the expert group correctly identified a significantly higher number of words than each of the other listener groups. For the within-subjects factor of voice, simple effects ANOVA and post hoc contrasts within each group showed that listeners had higher intelligibility scores for the DECTalk male voice, Perfect Paul, than for the MacinTalk male voice, Bruce. No other pairwise gender/age-matched differences were found between the two synthesizers.

Original languageEnglish (US)
Pages (from-to)744-752
Number of pages9
JournalJournal of Speech, Language, and Hearing Research
Issue number4
StatePublished - Aug 1998


  • DECTalk
  • Intelligibility
  • Listening experience
  • MacinTalk
  • Speech synthesis

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing


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