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Research Article| Volume 3, ISSUE 4, P321-323, December 1989

An investigation of the third formant of /a/ in prepubertal children

  • Shilin Yang
    Affiliations
    Liaoning Research Center of Logopedics and Phoniatrics, 3rd Hospital Affiliated to China Medical University, Shenyang, People's Republic of China
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  • Liancai Mu
    Correspondence
    Address correspondence and reprint requests to Dr. Liancai Mu, Department of Otolaryngology, 3rd Hospital Affiliated to China Medical University, Shenyang, Liaoning, P.R. of China.
    Affiliations
    Liaoning Research Center of Logopedics and Phoniatrics, 3rd Hospital Affiliated to China Medical University, Shenyang, People's Republic of China
    Search for articles by this author
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      Summary

      The third formant (F3) of /a/ recorded from 209 healthy children (104 male and 105 female; ages 3 to 12 years) and 40 adults (20 men and 20 women) was studied by spectral analysis. Contrary to the traditional concept, the results of this study showed that there is significant difference in voice F3 of /a/ between male and female children. This difference was found to begin to develop at the age of 3 years and became substantial by the age of 6 years. In this study, the value of F3 obtained from female children at the age of 6 years was unexpectedly higher than that from the male children at the same age, which indicates that there is a difference in timbre in small children of both sexes.
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