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A newly devised speech accumulator.

S Ryu, S Komiyama, S Kannae

    ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
    |January 1, 1983
    PubMed
    Summary
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    A new speech accumulator device monitors vocal cord vibration time to help understand voice disorders. This technology aids in correlating speaking patterns with specific conditions and treatment effectiveness.

    Area of Science:

    • Otolaryngology
    • Speech-Language Pathology
    • Biomedical Engineering

    Background:

    • Voice therapy is crucial for vocal fold pathologies like polyps and nodules.
    • Quantifying daily speaking time, speech rate, and sound levels in patients is challenging.
    • Understanding these parameters could link speaking habits to voice disorders and treatment outcomes.

    Purpose of the Study:

    • To develop and evaluate a novel speech accumulator for objective vocal behavior monitoring.
    • To assess the feasibility of using this device in clinical settings for voice disorder patients.

    Main Methods:

    • A speech accumulator with a neck-worn contact microphone was developed.
    • The device records vocal cord vibration time without capturing actual speech, ensuring privacy.

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  • The system was clinically tested on 11 patients with voice disorders.

    • Main Results:

    • The speech accumulator successfully recorded vocal parameters in patients.
    • Daily speaking durations varied significantly, from 33 minutes (office clerk) to 182 minutes (bus guide).
    • The device proved useful for objective data collection in voice disorder assessment.

    Conclusions:

    • The developed speech accumulator is a valuable tool for objective vocal behavior analysis.
    • This technology can help elucidate the relationship between speaking patterns and voice disorders.
    • Further research can refine understanding of vocal load and its impact on vocal health.