A multimodal corpus of speech to infant and adult listeners
Number of pages
SourceThe Journal of the Acoustical Society of America, 134, 6, (2013), pp. EL534-EL540
Article / Letter to editor
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The Journal of the Acoustical Society of America
SubjectAcoustic reduction in adult- and infant-directed spontaneous speech; DI-BCB_DCC_Theme 1: Language and Communication; Language in Mind; Learning pronunciation variants for words in a foreign language: Towards an ecologically valid theory based on experimental research and computational modeling; Psycholinguistics; Speech Comprehension; The challenge of reduced pronunciation variants in conversational speech for foreign language listeners: experimental research and computational modeling
An audio and video corpus of speech addressed to 28 11-month-olds is described. The corpus allows comparisons between adult speech directed toward infants, familiar adults, and unfamiliar adult addressees as well as of caregivers' word teaching strategies across word classes. Summary data show that infant-directed speech differed more from speech to unfamiliar than familiar adults, that word teaching strategies for nominals versus verbs and adjectives differed, that mothers mostly addressed infants with multi-word utterances, and that infants' vocabulary size was unrelated to speech rate, but correlated positively with predominance of continuous caregiver speech (not of isolated words) in the input.
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