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The perception of fluent speech.

W E Cooper

    Annals of the New York Academy of Sciences
    |January 1, 1983
    PubMed
    Summary

    Speech perception relies on acoustic cues like fundamental frequency and listener knowledge. These suprasegmental speech features are crucial for understanding language and speaker characteristics, especially for cochlear implant users.

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    Area of Science:

    • Speech Perception
    • Auditory Neuroscience
    • Linguistics

    Background:

    • Fluent speech perception integrates acoustic and knowledge-driven information.
    • Suprasegmental speech aspects (frequency, duration, intensity) convey linguistic and nonlinguistic cues.
    • These suprasegmentals are well-preserved in sensorineural hearing loss, making them vital for cochlear prosthesis research.

    Purpose of the Study:

    • To explore the role of acoustic and knowledge-driven information in speech perception.
    • To investigate the significance of suprasegmental speech features for listeners, including those with hearing impairments.
    • To relate findings to the development and testing of cochlear prostheses.

    Main Methods:

    • Analysis of acoustic cues (fundamental frequency, duration, intensity) in speech.
    • Examination of knowledge-driven processes in speech segmentation and word recognition.
    • Review of studies involving normal-hearing listeners and hearing-impaired listeners with cochlear implants.

    Main Results:

    • Suprasegmental features provide critical cues for word stress, syntax, and semantic interpretation.
    • Listeners utilize linguistic constraints to segment speech and identify words.
    • Preserved suprasegmental information is a key factor for speech understanding in hearing-impaired individuals.

    Conclusions:

    • Both acoustic and knowledge-based processing are essential for fluent speech perception.
    • Understanding suprasegmental perception is crucial for improving speech processing in cochlear implants.
    • Further research can enhance speech communication for individuals with hearing loss.

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