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Word duration in early child speech

C A Kubaska, P A Keating

    Journal of Speech and Hearing Research
    |December 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Early child speech shows word duration changes over time. Nonfinal words in phrases are typically shorter, influenced by utterance position rather than word familiarity.

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    Area of Science:

    • Linguistics
    • Speech Science
    • Child Language Acquisition

    Background:

    • Understanding the developmental trajectory of speech production in children is crucial for identifying typical and atypical language development.
    • Phonetic variations in early speech provide insights into the evolving motor control and cognitive processes underlying language learning.

    Purpose of the Study:

    • To investigate longitudinal changes in word duration in early child speech.
    • To determine factors influencing word duration, such as time, word familiarity, and position within an utterance.

    Main Methods:

    • A longitudinal study tracked word duration for frequently occurring words in three young children.
    • Phonetic form was controlled across samples.
    • Word durations were measured using wide- and narrow-band spectrogram analysis.

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    Main Results:

    • A decrease in word duration over time was observed for some words, but not the majority.
    • This duration change was not correlated with increased familiarity with specific words.
    • Word duration variations were primarily attributed to the word's position in the utterance.

    Conclusions:

    • In early multi-word utterances, nonfinal words are produced with shorter durations compared to isolated or final words.
    • Utterance position is a significant factor affecting word duration in developing speech.
    • Child speech duration is influenced by developing articulatory timing and syntactic structures.