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Production of English word-final /ɹl/ by Korean learners of English

유혜정
한국음운론학회 (The Phonology-Morphology Circle of Korea)|2023.12|음성음운형태론연구 (Studies in Phonetics, Phonology, and Morphology)|제29권 제3호|pp. 391-412|DOI 10.17959/sppm.2023.29.3.391

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키워드

formantdark [ɫ]Korean English learnerEnglish liquid/ɹl/ cluster
주제분류언어학

초록

English has two liquid sounds, /ɹ/ and /l/, whereas Korean use only one liquid sound, /l/. Furthermore, English allows for the consonant cluster /ɹl/ in the coda position, while Korean does not permit any consonant clusters. This study investigated the acoustic characteristics of the English word-final /ɹl/ cluster as produced by Korean learners of English and compared them with those of native speakers of American English. Several acoustic parameters were measured, including the duration of vocalic nuclei containing the /ɹl/ cluster and the preceding vowel, and three formants (F1, F2, and F3) at specific intervals (5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 95%) throughout the vocalic nuclei. While English speakers always produced the two liquids /ɹ/ and /l/ within the /ɹl/ cluster, Korean learners did not always exhibit them. Overall, Korean learners produced [ɹ] more frequently, followed by [ɹl] and [l]. Furthermore, a correlation was also found between English proficiency and the production of /ɹl/ cluster. Korean learners with advanced English proficiency produced [ɹl] more frequently than those with intermediate English proficiency. In addition, English speakers tended to produce an ɹ-colored vowel and [l] more frequently than the sequence [ɹ] and [l]. This pattern was also observed in Korean learners with advanced English proficiency. While Korean learners at advanced English level tended to produce a dark [ɫ] in the /ɹl/ cluster, similar to English speakers, Korean learners at intermediate English level did not do so.

Abstract

English has two liquid sounds, /ɹ/ and /l/, whereas Korean use only one liquid sound, /l/. Furthermore, English allows for the consonant cluster /ɹl/ in the coda position, while Korean does not permit any consonant clusters. This study investigated the acoustic characteristics of the English word-final /ɹl/ cluster as produced by Korean learners of English and compared them with those of native speakers of American English. Several acoustic parameters were measured, including the duration of vocalic nuclei containing the /ɹl/ cluster and the preceding vowel, and three formants (F1, F2, and F3) at specific intervals (5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 95%) throughout the vocalic nuclei. While English speakers always produced the two liquids /ɹ/ and /l/ within the /ɹl/ cluster, Korean learners did not always exhibit them. Overall, Korean learners produced [ɹ] more frequently, followed by [ɹl] and [l]. Furthermore, a correlation was also found between English proficiency and the production of /ɹl/ cluster. Korean learners with advanced English proficiency produced [ɹl] more frequently than those with intermediate English proficiency. In addition, English speakers tended to produce an ɹ-colored vowel and [l] more frequently than the sequence [ɹ] and [l]. This pattern was also observed in Korean learners with advanced English proficiency. While Korean learners at advanced English level tended to produce a dark [ɫ] in the /ɹl/ cluster, similar to English speakers, Korean learners at intermediate English level did not do so.

참고문헌 (46)

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