2008
DOI: 10.1016/j.jvoice.2007.01.009
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Normal Voice in Children Between 6 and 12 Years of Age: Database and Nonlinear Analysis

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Cited by 51 publications
(50 citation statements)
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“…They also demonstrated no age or sex differences in shimmer percentage, but the overall value was higher, with a normal value being between 4% and 5%. 13 Ferrand et al, 22 in an analysis of 80 children younger than 10 years, did not show any differences in jitter and shimmer percentages among boys and girls, with findings similar to those reported by Nicollas et al 12 Our data show a statistically significant overall mean difference in jitter and shimmer percentages between boys and girls. This is most likely owing to the wide age range of boys and girls studied, where there is a significant difference shown among the mean fundamental frequency.…”
Section: Commentsupporting
confidence: 88%
See 1 more Smart Citation
“…They also demonstrated no age or sex differences in shimmer percentage, but the overall value was higher, with a normal value being between 4% and 5%. 13 Ferrand et al, 22 in an analysis of 80 children younger than 10 years, did not show any differences in jitter and shimmer percentages among boys and girls, with findings similar to those reported by Nicollas et al 12 Our data show a statistically significant overall mean difference in jitter and shimmer percentages between boys and girls. This is most likely owing to the wide age range of boys and girls studied, where there is a significant difference shown among the mean fundamental frequency.…”
Section: Commentsupporting
confidence: 88%
“…7 Our data confirm previous studies describing a decreasing fundamental frequency with increasing age in both boys and girls. [11][12][13] Our analysis demonstrates the attainment of the normal adult female fundamental frequency occurring around age 14 years, with a transition period beginning around age 11 years. In boys, the adult normal frequency is reached around age 16 years, with a transition period beginning around age 12 years.…”
Section: Commentmentioning
confidence: 99%
“…Some studies [6,17,18] have shown a decrease in F₀ standard throughout development, explained by an increase in vocal fold length and mass, expansion and development of the vocal tract, and the approximation of male and female voice-related adult models.…”
Section: Discussionmentioning
confidence: 99%
“…Ao contemplar vozes de crianças entre seis e doze anos, pesquisadores 18 observaram que a f 0 decresceu, tanto para os meninos quanto para as meninas. Observou-se que os valores iniciais, que correspondem à faixa etária mais próxima de 6 anos, encontram-se próximos aos resultados apontados no presente trabalho e os valores finais, correspondentes à faixa de doze anos, corroboram os valores obtidos por outra autora 15 .…”
Section: Medidas De Frequência Fundamental Da Voz Infantilunclassified
“…Sistemas baseados em circuitos analógicos de tempo contínuo passaram a literatura de medidas acústicas referenciais da voz infantil 13,14 . Nas pesquisas em que a frequência fundamental da voz normal infantil foi contemplada, pode ser observada uma tendência de investigação de apenas determinadas vogais, como a vogal [a] [15][16][17][18][19] e a vogal [ε] 20,21 . As demais vogais não recebem a mesma atenção por parte dos pesquisadores.…”
Section: Introductionunclassified