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KMID : 1022420140060020089
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Phonetics and Speech Sciences
2014 Volume.6 No. 2 p.89 ~ p.96
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Vowel Space Area and Speech Intelligibility of Children with Cochlear Implants
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Park Hye-Mi
Huh Myung-Jin
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Abstract
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This study measured speech intelligibility in relation to the vowel space area and the perception of the listener throughacoustic analysis of children who had received cochlear implants. It also provided basic data in the evaluation of speechintelligibility by analyzing the correlation between the vowel space area and speech intelligibility. As a research method, thevowel space area was analyzed by obtaining the value of F1, F2 in children three years after receiving cochlear implants, andcompared them to normal children by measuring speech intelligibility through interval scaling. A product-moment correlationanalysis was conducted to investigate the correlation. Results showed that the vowel space area of the children who hadreceived cochlear implants was significantly different from that of the normal children, though their speech intelligibilityshowed similar points to those of the normal children. The results of the correlation analysis on the vowel space area andspeech intelligibility showed no significant correlation. Therefore, the period of improving intelligibility after receivingcochlear implants and the objective standards of the vowel space area could be established. In addition, the acoustic ratingwas required to increase the accuracy of the objective measurement in the evaluation of speech intelligibility.
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KEYWORD
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children of cochlear implants, speech intelligibility, vowel space area
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