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논문 기본 정보

자료유형
학술저널
저자정보
Wei Xiong (Jiangxi University of Engineering)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.17 No.3
발행연도
2023.9
수록면
93 - 99 (7page)
DOI
10.5626/JCSE.2023.17.3.93

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초록· 키워드

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A better understanding of students" English pronunciation features would be a useful guide for teaching spoken English. This paper first analyzed the English pronunciation features and extracted Mel-frequency cepstral coefficients (MFCC) features from the pronunciation signal. Then, the support vector machine (SVM) method was used to identify the cases of incorrect and correct pronunciation. To further improve the recognition effect, deep features were extracted using deep brief network (DBN) as the input of the SVM, and the parameters of both DBN and SVM were optimized by the sparrow search algorithm (SSA). Experiments were conducted on the dataset. The results showed that the MFCC-SSA-SVM algorithm had better recognition performance than the MFCC-SVM algorithm. The DBN-SVM algorithm had higher recognition correctness and accuracy than the MFCC-SSA-SVM algorithm, while the SSA-DBN-SVM method had 88.07% correctness and 85.49% accuracy, indicating the best performance. The results demonstrated the reliability of the proposed method for English pronunciation feature recognition; therefore, it can be applied in practical spoken language teaching.

목차

Abstract
I. INTRODUCTION
II. ENGLISH PRONUNCIATION FEATURE EXTRACTION
III. SUPPORT VECTOR MACHINE-BASED RECOGNITION ALGORITHM
IV. RESULTS AND ANALYSIS
V. CONCLUSION
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