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    Assessments of Voice Use, Voice Quality, and Perceived Singing Voice Function Among College/University Singing Students Ages 18-24 Through Simultaneous Ambulatory Monitoring With Accelerometer and Acoustic Transducers

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    Issue Date
    2014-12-31
    Author
    Schloneger, Matthew Jon
    Publisher
    University of Kansas
    Format
    229 pages
    Type
    Dissertation
    Degree Level
    Ph.D.
    Discipline
    Music Education & Music Therapy
    Rights
    Copyright held by the author.
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    Abstract
    Previous vocal dose studies have analyzed the duration, intensity and frequency (in Hz) of voice use among college/university singing students through ambulatory monitoring. However, no ambulatory studies of this population have acquired these vocal dose data simultaneously with acoustic measures of voice quality in order to facilitate direct comparisons of voice use with voice quality during the same voicing period. The purpose of this study was to assess the voice use, voice quality, and perceived singing voice function of college/university singing students (N = 19), ages 18-24 years, enrolled in both voice lessons and choir, through (a) measurements of vocal dose and voice quality collected over 3 full days of ambulatory monitoring with an unfiltered neck accelerometer signal acquired with the Sonovox AB VoxLog portable voice analyzer collar; (b) measurements of voice quality during singing and speaking vocal tasks acquired at 3 different times of day by the VoxLog collar's acoustic and accelerometer transducers; and (c) multiple applications of the Evaluation of the Ability to Sing Easily (EASE) questionnaire about perceived singing voice function. Vocal dose metrics included phonation percentage, dose time, cycle dose, and distance dose. Voice quality measures included fundamental frequency (F0), perceived pitch (P0), dB SPL, LTAS slope, alpha ratio, dB SPL 1-3 kHz, pitch strength, shimmer, jitter, and harmonic-to-noise ratio. Major findings indicated that among these students (a) higher vocal doses correlated significantly with greater voice amplitude, more vocal clarity, and less perturbation; (b) there were significant differences in vocal dose and voice quality among non-singing, solo singing, and choral singing time periods; (c) analysis of repeated vocal tasks with the acoustic transducer showed that F0, P0, SPL, and resonance measures displayed increases from morning to afternoon to evening; (d) less perceived ability to sing easily correlated positively with higher frequency and lower amplitude when analyzing repeated vocal tasks with the acoustic transducer; and (e) the two transducers exhibited significant and irregular differences in data simultaneously obtained for 8 of the 10 measures of voice quality.
    URI
    http://hdl.handle.net/1808/18407
    Collections
    • Dissertations [4475]
    • Music Dissertations and Theses [335]

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
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    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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