Voice problems of pitch, loudness and rate of utterances in the chidren with hearing losses.

概要

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The present experiment was undertaken to explore the relationship between voice problems and degree of hearing loss as well as the effect of the early auditory training in children with various degrees of hearing loss. A home training program was conducted on 36 hearing-impaired children from the early stage of childhood.<BR>Their continuous monologues recorded on a magnetic tape were analyzed in terms of the peak levels of the fundamental frequency and the intensity as well as the rate of utterances by using a specially deviced pitch extractor. The results obtained were as follows The deviation of pitch was noticeacably smallin children with severe hearing loss over 90dB HL. Whereas the average level of pitch in these children was comparable with that obtained from normal subjects. The average level as well as the deviation of the intensity increased with the degree of hearing loss.<BR>These results can be used for evaluations of the voice problems observed in hearing-impaired children and planning systematicl programs for their Speech therapy.
日本音声言語医学会の論文