표 2. | Table 2. 사용 특성별 모델의 정확도 | Accuracy of models based on used featuers

모델	MFCC (13)	New (4)	New+MFCC (17)
LightGBM	0.903	0.933	0.955
RF	0.910	0.948	0.970
SVM	0.672	0.881	0.933

MFCC, Mel-Frequency Cepstral Coefficients; GBM, Gradient Boosting Machine; RF, Random Forest; SVM, Support Vector Machine.