The Prosody of Two-Syllable Words in French-Speaking Monolingual and Bilingual Children: A Focus on Initial Accent and Final Accent

Kehoe, Margaret

doi:10.1177/00238309211030312

Cited by 2 publications

(1 citation statement)

References 50 publications

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“…The DA share was about 15-20% in C and NC over the first 6 months of life. The high share compared to other unsegmented melodies (TA, MA) may have two reasons: (1) a doubling of basic building blocks is the simplest strategy in generating complexity, so one could expect this stage to occur frequently, (2) a high occurrence of double-arc melodies in pre-speech utterances could point to their significance for the acquisition of disyllabic words [34][35][36]. It was particularly interesting that the high DA share was typical for NC during the first months of life and for marginal babbling across 7-12 months, while TA and MA structures occurred comparatively less frequent (cf.…”

Section: Discussionmentioning

confidence: 99%

Fundamental Frequency Contour (Melody) of Infant Vocalizations across the First Year

Kottman¹,

Wanner²,

Wermke³

2022

Folia Phoniatr Logop

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Introduction: The fundamental frequency contour (melody) of cry and non-cry utterances become more complex with age. However, there is a lack of longitudinal analyses of melody development during the first year of life. Objective: The aim of the study is to longitudinally analyse melody development in typical vocalisation types across the first 12 months of life. The aim was twofold: (1) to answer the question whether melody becomes more complex in all vocalisation types with age, and (2) to characterize complex patterns in more detail. Methods: Repeatedly recorded vocalisations (n=10.988) of 10 healthy infants (6 female) over their first year of life were analysed using frequency spectrograms and fundamental frequency (f0) analyses (PRAAT). Melody complexity analysis was performed using specific in-lab software (CDAP, pw-project) in a final subset of 9.237 utterances that contained noise-free, undisturbed contours. Generalized mixed linear models were used to analyse age and vocalisation type effects on melody complexity. Results: The vocalization repertoire showed a higher proportion of complex melodies from the second month onwards. The age effect was significant, but no difference was found in melody complexity between cry and non-cry vocalizations across the first six months. From month 7-12, there was a further significant increase in complex structures only in canonical babbling, not in marginal babbling. Melody segmentations by laryngeal constrictions prevailed among complex shapes. Conclusion: The study demonstrated the regularity of melody development in different vocalisation types throughout the first year of life. In terms of prosodic features of infant sounds, melody contour is of primary importance, and further studies are required that also include infants at risk for language development.

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Section: Discussionmentioning

confidence: 99%

Fundamental Frequency Contour (Melody) of Infant Vocalizations across the First Year

Kottman¹,

Wanner²,

Wermke³

2022

Folia Phoniatr Logop

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Characterizing Speech Sound Productions in Bilingual Speakers of Jamaican Creole and English: Application of Durational Acoustic Methods

León

Washington

McKenna

et al. 2023

J Speech Lang Hear Res

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Purpose: This study examined the speech acoustic characteristics of Jamaican Creole (JC) and English in bilingual preschoolers and adults using acoustic duration measures. The aims were to determine if, for JC and English, (a) child and adult acoustic duration characteristics differ, (b) differences occur in preschoolers' duration patterns based on the language spoken, and (c) relationships exist between the preschoolers' personal contextual factors (i.e., age, sex, and percentage of language [%language] exposure and use) and acoustic duration. Method: Data for this cross-sectional study were collected in Kingston, Jamaica, and New York City, New York, United States, during 2013–2019. Participants included typically developing simultaneous bilingual preschoolers ( n = 120, ages 3;4–5;11 [years;months]) and adults ( n = 15, ages 19;0–54;4) from the same linguistic community. Audio recordings of single-word productions of JC and English were collected through elicited picture-based tasks and used for acoustic analysis. Durational features (voice onset time [VOT], vowel duration, whole-word duration, and the proportion of vowel to whole-word duration) were measured using Praat, a speech analysis software program. Results: JC-English–speaking children demonstrated developing speech motor control through differences in durational patterns compared with adults, including VOT for voiced plosives. Children's VOT, vowel duration, and whole-word duration were produced similarly across JC and English. The contextual factor %language use was predictive of vowel and whole-word duration in English. Conclusions: The findings from this study contribute to a foundation of understanding typical bilingual speech characteristics and motor development as well as schema in JC–English speakers. In particular, minimal acoustic duration differences were observed across the post-Creole continuum, a feature that may be attributed to the JC–English bilingual environment. Supplemental Material: https://doi.org/10.23641/asha.21760469

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The Prosody of Two-Syllable Words in French-Speaking Monolingual and Bilingual Children: A Focus on Initial Accent and Final Accent

Cited by 2 publications

References 50 publications

Fundamental Frequency Contour (Melody) of Infant Vocalizations across the First Year

Fundamental Frequency Contour (Melody) of Infant Vocalizations across the First Year

Characterizing Speech Sound Productions in Bilingual Speakers of Jamaican Creole and English: Application of Durational Acoustic Methods

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