Cross-linguistic influences on infant babbling

Karen Mattock, Susan Rvachew, Linda Polka

Abstract


The developmental changes in first formant (F1) frequencies and second formant (F2) frequencies in vowels produced by infants 10 through 18 months of age and cross linguistic differences in F1 and F2 in vowels produced by English- and French-learning infants during this period was analyzed. The babble samples were recorded during a play session between mother and infant. Speech utterances were digitized at 22050Hz using time frequency response software (AVAAZ) and PC hardware. It was found that mean F1 and standard deviation F1 decreased with age for the French but not English infants.

Keywords


Computer software; Frequency response; Learning systems; Linguistics; Natural frequencies; Personal computers; Infant babbling; Linguistic differences; Time frequency response software; Vowels

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