GAO Yong-xiang,FENG Yan,WU Peng-qi,et al.A Study on the Evaluation of the Onset Time of Stopping Voice in Hearing-Impaired Children and the Correlation with Maximum Phonation Time[J].Chinese Scientific Journal of Hearing and Speech Rehabilitation,2023,21(02):170-173.
GAO Yong-xiang,FENG Yan,WU Peng-qi,et al.A Study on the Evaluation of the Onset Time of Stopping Voice in Hearing-Impaired Children and the Correlation with Maximum Phonation Time[J].Chinese Scientific Journal of Hearing and Speech Rehabilitation,2023,21(02):170-173. DOI: 10.3969/j.issn.1672-4933.2023.02.014.
A Study on the Evaluation of the Onset Time of Stopping Voice in Hearing-Impaired Children and the Correlation with Maximum Phonation Time
To explore the characteristics of the onset time of the plosive voice of hearing-impaired children and its correlation with breathing ability
so as to provide a basis for the acquisition and correction of plosives.
Methods
2
20 hearing-impaired children aged 3-5 years and 20 hearing children of similar age were selected. 18 consonant vowel(CV) syllables composed by 6 stops (/b/
/p/
/d/
/t/
/g/
/k/) and 3 monophonic sounds (/a/
/i/ or /e/
/u/) were selected
the tones are all the first tones
and the voice onset time (VOT) value is extracted. At the same time
maxium phonation time (MPT) was performed on the two groups of children and the correlation between VOT and MPT was analyzed.
Result
2
In the unaspirated plug sound
the VOT value of /da/ of hearing-impaired children was significantly greater than that of hearing children (
P
<
0.05)
and there was no significant difference in the VOT value of the rest syllables (
P
>
0.05). In aspirated stop sounds
the VOT values of all syllables tested by hearing-impaired children were significantly lower than those of hearing children (
P
<
0.05). The MPT of hearing-impaired children was significantly lower than that of hearing children (
P
<
0.05). Both the VOT value of aspirated stop sound and MPT showed a significant positive correlation (
P
<
0.05
r
>
0).
Conclusion
2
The breathing ability of hearing-impaired children is significantly weaker than that of hearing children
and they need to strengthen breathing training
which is conducive to the learning of aspiration stop sound.
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