한국어 학습자 발화에 대한 발음 평가 API와 한국어교육 전문가의 평가 비교

Comparison of an Evaluation of Korean Learners’ pronunciation by API and Korean education experts

The purpose of this study is to examine the currently developed Korean pronunciation evaluation technology for the pronunciation evaluation of Korean learners and to find ways to use it in Korean language education. To this end, the evaluation score of the pronunciation evaluation API and the evaluation score of 10 Korean education experts were compared to find out how accurate the Korean pronunciation evaluation technology is. The main work of the study consisted of four stages. First, the voice data of Korean learners was collected, and then the pronunciation evaluation API was implemented and tested. In addition, a Korean education experts were recruited to request pronunciation evaluation, and finally, the performance of the pronunciation evaluation API was evaluated through result analysis. As a result of the evaluation, the evaluation of the pronunciation evaluation API with the Korean education experts showed a high correlation in Korean speech with prompted text, while there was no correlation in Korean speech without prompted text. If the pronunciation evaluation technology is further supplemented and the Korean pronunciation evaluation system is developed, it is expected that it can be used in various ways in teaching pronunciation and pronunciation evaluation in the Korean education field.