2011
DOI: 10.1590/s1516-18462011005000083 View full text |Buy / Rent full text
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Abstract: OBJETIVO: comparar os valores de voice onset time (VOT) de fonemas plosivos, produzidos por crianças com desvio fonológico e dificuldade na produção do contraste de sonoridade, classificados como surdos e sonoros a partir de uma análise perceptivo auditiva. MÉTODO: participaram do estudo cinco meninos com desvio fonológico e dificuldade no estabelecimento do traço [+voz] das plosivas. Por meio de pares de palavras (['papa], ['baba], ['tata], ['dada], ['kaka] e ['gaga]) inseridas em frases-veículo, extraiu-se o… Show more

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“…That can be confirmed by the percentage of prevoicing, once only one of the children presented the production of voicing bar preceding to burst, confirming the requirement of a complex temporal coordination between glottal (vocal fold vibration) and supra-glottal (oral gestures) events, which was corroborated in another study 3 . In contrast, for the presence of longer vowels in the context of voiced stops, it was observed that despite not in all occurrences of the analyzed words, this acoustic clue was used in the speech of all assessed children, agreeing with the research that was mentioned above…”
Section: Discussionsupporting
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“…That can be confirmed by the percentage of prevoicing, once only one of the children presented the production of voicing bar preceding to burst, confirming the requirement of a complex temporal coordination between glottal (vocal fold vibration) and supra-glottal (oral gestures) events, which was corroborated in another study 3 . In contrast, for the presence of longer vowels in the context of voiced stops, it was observed that despite not in all occurrences of the analyzed words, this acoustic clue was used in the speech of all assessed children, agreeing with the research that was mentioned above…”
Section: Discussionsupporting
“…The introduction of acoustic spectrography in data interpretation of children with phonological disorders, has increasingly established itself as a practical and necessary tool during the speech assessment [1][2][3][4][5][6][7]10,11,[15][16][17][18] . The observation of attempts of correct production of sounds, verified via spectrogram and, which were not previously identified by auditory perceptual analysis, has already been reported and confirmed by many studies of the area 1,5,6,10,11,[15][16][17][18] .…”
Section: Discussionmentioning
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