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Richards, Jeffrey A.; Xu, Dongxin; Gilkerson, Jill; Yapanel, Umit; Gray, Sharmistha; Paul, Terrance – Journal of Speech, Language, and Hearing Research, 2017
Purpose: To produce a novel, efficient measure of children's expressive vocal development on the basis of automatic vocalization assessment (AVA), child vocalizations were automatically identified and extracted from audio recordings using Language Environment Analysis (LENA) System technology. Method: Assessment was based on full-day audio…
Descriptors: Automation, Children, Speech Evaluation, Nonprint Media
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Dinnsen, Daniel A.; Green, Christopher R.; Morrisette, Michele L.; Gierut, Judith A. – Clinical Linguistics & Phonetics, 2011
This article documents the typological occurrence and interactions of two seemingly independent error patterns, namely Velar Fronting and Labial Harmony, in a cross-sectional investigation of the sound systems of 235 children with phonological delays (ages 3;0 to 7;9). The results revealed that the occurrence of Labial Harmony depends on the…
Descriptors: Error Patterns, Prediction, Interaction, Classification