Comparison of Acoustic Characteristics of Vowel and Stops in 3, 4 year-old Normal Hearing Children According to Parents' Deafness: Preliminary Study

Hong, Jisook; Kang, Young-Ae; Kim, Jaeock

doi:10.13064/ksss.2015.7.1.067

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…청각장애로 인한 말장애 집단의 VOT 선행연구 (Lee, 2009;Oh et al, 2000) (Hong, Kang, & Kim, 2015;Pae et al, 1999 (Broersma, 2010;Lee, Ko, & Kim, 2011;Park et al, 2006;Pyo & Choi, 1996;Yoo & Kim, 2015) (Lee et al, 2011;Park et al, 2006…”

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confidence: 99%

Voice Onset Time of Children with Functional Articulation Disorders

Park¹,

Lee²

2016

Commun Sci Disord

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Objectives: Various factors associated with the speech motor control skills in children with functional articulation disorders (FAD) have been studied. Voice onset time (VOT) is a temporal acoustic parameter that reflects motor speech coordination skills. In this study, we investigated the VOT of the VCV syllables which contain plosives classified according to the place of articulation and phonation types for children with FAD in comparison with children with typical speech development (TSD). Methods: Fifteen children with FAD were included in this study, ranging from 3 years and 11 months to 8 years and 11 months. Fifteen children with TSD as a control group were matched to the children with FAD on the basis of chronological age within ± 3 months. All children produced plosives in isolation and VOTs were measured by the CSL program. A three-way mixed design was used with the groups as a between-subject factor, the place of articulation and phonation types as withinsubject factors. Results: There were not significant differences in VOTs between children with FAD and children with TSD. There were significant differences in VOT among the place of articulation, showing that children had the longest VOT for velars (all p < .001). In addition, the VOTs for aspirated consonants were longer than other consonants, and the differences were significant among three phonation types (all p < .001). Conclusion: The current results suggested that children with FAD can control the speech timing between the structures of the larynx and the oral cavity at the same levels of children with TSD.

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confidence: 99%

Voice Onset Time of Children with Functional Articulation Disorders

Park¹,

Lee²

2016

Commun Sci Disord

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“…학령기 청소년들은 휴대용 음향기기로 강한 음원을 청취하기도 하고 [4], 성인기에는 직업적 소음을 포함한 다양한 원인으로 청력손실이 생길 수 있다. 청력손실은 난청자의 음 성을 왜곡하여 의사소통에 지장을 줄 수 있고, 청력 이 정상인 자녀가 부모의 다중감각 활용을 위하여 [5] 표정을 크게 하거나 부모의 언어적 습관을 모방 하여 포먼트 주파수와 발성 시작 시간 [6] 등에도 영 향을 줄 수 있다. 노인성 난청은 경미하더라도 불용 성 유해 단백질인 베타아밀로이드(beta amyloid)가 베르니케 영역에 축적되고, 초기부터 뇌의 청각 영 역을 다른 기능으로 재조정하여 인지 기능이 낮아 진다 [7].…”

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Hearing Threshold of Children with Hearing Screening-Passed in Day Care Center and Speech-Language Pathology Clinic

Heo¹

2016

Journal of rehabilitation welfare engineering & assistive t

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각각 관찰되었다. 주파수 사이에는 500㎐와 1,000, 2,000, 4,000 ㎐(p=.000), 1,000과 2,000, 4,000 ㎐(p=.000)로 유의한 차이가 있었다. ABSTRACTResponded threshold level in hearing screening depends on the noise level of test surroundings, physiological characteristics of hearing organs, excessive sound source exposures, and so on. The purpose of this study is to obtain the basic information of hearing threshold level at each frequencies in children with passed hearing screening. Subjects were 110 children, aged were from 3.3 to 16.3 (9.01±2.52), who were at private speech language pathological clinics and daycare centers. Methods of Hearing screening were tympanometry, acoustic reflex threshold, automated otoacoustic emission, and pure tone screening. The subjects were in normal criteria of hearing screening. The differences of hearing threshold among ages and frequencies were measured by means of repeated measures ANOVA. The mean of hearing thresholds level was observed 16±6. 49, 11.5±4.79, 6.86±4.99, 5.95±6.65 ㏈ HL in the right ear and 15.68±6.01, 9.95±5.24, 5.72±5.21, 5.63±7.04 ㏈ HL in the left ear, in frequency of 500, 1,000, 2,000, 4,000 ㎐ respectively. There was a significant difference between 500 and 1,000, 2,000, 4,000 ㎐ (p=.000), between 1,000 and 2,000, 4,000 ㎐ (p=.000).

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The effect of articulation therapy using visual phonics to improve the speech intelligibility and vowel space of children with impaired hearing

Shim¹,

Lee²,

Seo³

2018

Phonetics Speech Sci.

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The purpose of this study was to investigate the effect of articulatory intervention using visual phonics to improve the speech intelligibility of children with impaired hearing. The subjects of the study were five hearing impaired children. As per the results of the UTAP articulation tests, five phonemes with the most frequent errors were selected for each child and a total of 10 sessions were provided. The methodology involved analyzing vowel space and related measures (vowel space area, vowel articulatory index, formant centralization ratio, and F2i/F2u ratio) before and after the visual phonics intervention. After the articulation intervention, every child's speech intelligibility improved, their vowel space area was widened, the FCR value decreased, and the F2ratio value increased. These results show that the use of visual phonics through symbolic images and hand clues has a positive effect in terms of improving the speech intelligibility of children with impaired hearing.

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Comparison of Acoustic Characteristics of Vowel and Stops in 3, 4 year-old Normal Hearing Children According to Parents' Deafness: Preliminary Study

Cited by 3 publications

References 5 publications

Voice Onset Time of Children with Functional Articulation Disorders

Voice Onset Time of Children with Functional Articulation Disorders

Hearing Threshold of Children with Hearing Screening-Passed in Day Care Center and Speech-Language Pathology Clinic

The effect of articulation therapy using visual phonics to improve the speech intelligibility and vowel space of children with impaired hearing

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