Some Aspects in Mimicry of Lexical Pitch Accent by Children and Adults
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This paper investigates whether the mimicry behavior of lexical pitch accent exhibits categorical production by children and adults of the different dialects in Korean. The current study used the resynthesized stimuli, and focused on the patterns of mimicry production appeared in the difference of f0 values at the mid point of the first and second syllable. On the basis of this measurement, the hypothesis in this paper is that native speakers of lexical pitch accent will exhibit the categorical production akin to categorical perception, and non-native speakers of lexical pitch accent will exhibit the continuous production or random production characterized by no sensitivity on the dimension of phonological contrast. The results revealed that North Kyungsang speakers imitated categorically the pitch movement of lexical pitch accent contrasts, though there were more or less continuous patterns for the pitch accent contrast such as HH-LH. Most of South Cholla speakers showed the random production which was not correspondent to the changes of f0 values, but there also appeared, for some individuals, or for HL-LH, some sensitivity similar to the change of f0 values. With respect to children’s mimicries regardless of the regional origins, there seemed to be the general tendency tracking the changes of f0 values on acoustic continua, although the end points of stimuli for the two pitch accent categories were statistically different. But there was less variability for children of the North Kyungsang region.
Abstract
This paper investigates whether the mimicry behavior of lexical pitch accent exhibits categorical production by children and adults of the different dialects in Korean. The current study used the resynthesized stimuli, and focused on the patterns of mimicry production appeared in the difference of f0 values at the mid point of the first and second syllable. On the basis of this measurement, the hypothesis in this paper is that native speakers of lexical pitch accent will exhibit the categorical production akin to categorical perception, and non-native speakers of lexical pitch accent will exhibit the continuous production or random production characterized by no sensitivity on the dimension of phonological contrast. The results revealed that North Kyungsang speakers imitated categorically the pitch movement of lexical pitch accent contrasts, though there were more or less continuous patterns for the pitch accent contrast such as HH-LH. Most of South Cholla speakers showed the random production which was not correspondent to the changes of f0 values, but there also appeared, for some individuals, or for HL-LH, some sensitivity similar to the change of f0 values. With respect to children’s mimicries regardless of the regional origins, there seemed to be the general tendency tracking the changes of f0 values on acoustic continua, although the end points of stimuli for the two pitch accent categories were statistically different. But there was less variability for children of the North Kyungsang region.
참고문헌 (32)
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