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권오연 한국서양음악학회 2009 서양음악학 Vol.12 No.2
The purpose of this study was to examine the categorical perception of the interval Jungryeo-Imjong of Korean traditional music. 328 subjects were assigned to four groups according to their degree of training in Korean traditional music. The Jungryeo-Imjong interval, which has a theoretical interval value of 180 cents, was altered in 10-cent increments within a range of +30 and -40 cents, and subjects were asked to distinguish the correct Jungryeo-Imjong interval from the wrong. Independent variables that affect the categorical perception of the interval included various pitch ranges, direction of the melody, instrument timbre, and the subjects' degree of training. The result showed that timbre and direction of the melody did not influence the categorical perception of both the intervals. It also showed that the Jungryeo-Imjong interval was perceived about 10 cents wider in size than its theoretical value of 180 cents. In addition, the categorical perception range of the Jungryeo-Imjong interval was approximately 50 cents. The categorical perceptive characteristic of the interval differed according to the subjects' degree of training. The pitch range also influenced the categorical perceptive characteristic; the interval perception was significantly less accurate in a high pitch range. The purpose of this study was to examine the categorical perception of the interval Jungryeo-Imjong of Korean traditional music. 328 subjects were assigned to four groups according to their degree of training in Korean traditional music. The Jungryeo-Imjong interval, which has a theoretical interval value of 180 cents, was altered in 10-cent increments within a range of +30 and -40 cents, and subjects were asked to distinguish the correct Jungryeo-Imjong interval from the wrong. Independent variables that affect the categorical perception of the interval included various pitch ranges, direction of the melody, instrument timbre, and the subjects' degree of training. The result showed that timbre and direction of the melody did not influence the categorical perception of both the intervals. It also showed that the Jungryeo-Imjong interval was perceived about 10 cents wider in size than its theoretical value of 180 cents. In addition, the categorical perception range of the Jungryeo-Imjong interval was approximately 50 cents. The categorical perceptive characteristic of the interval differed according to the subjects' degree of training. The pitch range also influenced the categorical perceptive characteristic; the interval perception was significantly less accurate in a high pitch range.