As a preliminary study of the articulation scores and confusion patterns of Korean speech sounds, analysis of structures and frequencies was performed on 887 speech sounds. The frequency of use for speech sounds in normal conversation is illustrated in .Table. 1.
There are four kinds of syllables which exist: "CVC", "VC", "CV" and. "V",., "CVC" occurred in ´67.6%, "VC" in 22.1% and "V in 2.3%. Consequently, closed syllables composed the greatest number(76.6%) of normal speech sounds.
Roughly,, in initial consonants, plosive fortis and plosive aspirates occurred less frequeantly than others; but in final consonants, all were distributed evenly Vowels-occurred more frequeptly than diphthongs, especially back vowels whicc1i`rcomposea the greatest number of vowels(53.6%) in normal.
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