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Better spectrograms from children's speech. A research note

A W Huggins

    Journal of Speech and Hearing Research
    |March 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

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    Analyzing children's speech spectrographically is challenging due to high fundamental frequencies. Using an artificial larynx with a lower pitch shows promise for improving formant tracking in pediatric speech analysis.

    Area of Science:

    • Speech analysis
    • Acoustic phonetics
    • Pediatric audiology

    Background:

    • Spectrographic analysis of children's speech faces challenges with formant resolution.
    • High fundamental frequencies in children's voices lead to widely spaced harmonics, hindering analysis.

    Purpose of the Study:

    • To investigate a novel method for improving formant resolution in pediatric speech spectrography.
    • To assess the efficacy of using an artificial larynx to modify vocal tract excitation for children's speech analysis.

    Main Methods:

    • Utilizing an artificial larynx to excite a child's vocal tract.
    • Employing a fundamental frequency typically used for adult male speech.
    • Applying spectrographic analysis techniques to the modified speech signal.

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    Main Results:

    • The artificial larynx method demonstrated potential for enhancing formant tracking.
    • This approach may overcome limitations associated with high fundamental frequencies in children's voices.

    Conclusions:

    • Exciting the pediatric vocal tract with an artificial larynx at a lower fundamental frequency offers a promising solution for improved spectrographic analysis.
    • This technique holds potential for more accurate formant tracking in the speech of children.