Effects of an Auditor's Past Musical Experience on the Intelligibility of Vowel Sounds in Singing Page: 83
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83
one vowel sound over another. The [a, e, and i] vowel
sounds tended to be recognized better by the auditors than
the [o] and [u] vowel sounds. While each of the three
auditor groups tended to differ in their most to least
intelligible vowel sounds at each pitch level, the overall
ranking from the most to the least understandable vowel
sounds was the same in all three auditor groups (see
Appendix F). The [a] vowel sound was distinguished best
by the auditors overall in this study with the percentage
of correct responses by the auditors reaching 87.00 percent.
Next in overall percentage of correct responses by the
auditors was the [e] vowel sound with 66.50 percent. Not
behind the [e] vowel sound in auditor recognition was
the [i] vowel sound with 61.23 percent auditor accuracy.
The [o] vowel sound was fourth in auditor accuracy with
50.39 percent followed by the least intelligible vowel
sound [u] with only 42.78 percent auditor accuracy. The
line charts in Appendix H illustrate the percentages of
auditor accuracy and the rate of decline for each of the
five cardinal vowel sounds at the three pitches used in
this study. (See also Appendix E.)
The [a] vowel sound was selected by all three auditor
groups at each of the three pitch levels as the most
accurate vowel sound. While at C4 the [a] vowel sound
was just slightly more accurately identified than the [ i]
vowel sound (a = 99.00%, i = 97.20%), at C5 and C6 as well
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Bradley, C. Mark (Charles Mark). Effects of an Auditor's Past Musical Experience on the Intelligibility of Vowel Sounds in Singing, dissertation, December 1983; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc331919/m1/91/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .