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A Study on the Intelligibility of Esophageal Speech  

Pyo, Hwa-Young (나사렛대학교 재활학부 언어치료학)
Publication Information
The Journal of the Acoustical Society of Korea / v.26, no.5, 2007 , pp. 182-187 More about this Journal
Abstract
The present study was to investigate the speech intelligibility of esophageal speech, which is the way that the laryngectomized people who lost their voices by total laryngectomy can phonate by using the airstream driven into esophagus, not trachea. Three normal listeners transcribed the CVVand VCV syllables produced by 10 esophageal speakers. As a result, overall intelligibility of esophageal speech was 27%. Affricates showed the highest intelligibility, and fricatives, the lowest. In the aspect of the place of articulation, palatals were the most intelligble, and alveolars, the least. Most of the aspirated consonants showed a low intelligibility. The consonants in VCV syllables were more intelligible than the ones in CVV syllables. The low intelligibility of esophageal speakers is due to insufficient airflow intake into esophagus. Therefore, training to increase airflow intake, as well as correct articulation training, will improve their low intelligibility.
Keywords
Esophageal speech; Intelligibility; laryngectomee; Nonsense syllable; Word-initial consonants; Syllable-initial consonants;
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