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Kwon, Ah-Lum. 2014. Chinese speakers perceptibility of the Korean voiceless obstruents. Journal of Linguistic Studies 19(3), 233-253. One characteristic of Korean consonants is that there are three distinctive voiceless sounds in the stop category. Since Chinese has two-way contrast stop consonants while Korean has three-way contrast stop consonants, it was anticipated that the Chinese group selected for the experiment would demonstrate particular difficulties in learning a foreign language with a different system of contrast consonants. This paper suggests factors in two aspects as major factors in distinguishing the three-way contrast in the Korean voiceless obstruents. The first aspect is speech production, including VOT (Voice Onset Time) and F0 (fundamental frequency). The second aspect is speech perception, including the factor of the pronunciation of Korean learners. Generalizing from the results of Perception Test 1 and 2, adult learners of a foreign language seem to exhibit a correlation between articulation and auditory perception. Perception Test 3 shows how both Korean and Chinese participants can use F0 and VOT values as the major factors in distinguishing three-way contrast stop consonants in Korean. (Kyungpook National University)