[Retracted] Innovative Application of Sensor Combined with Speech Recognition Technology in College English Education in the Context of Artificial Intelligence

Table 2

Comparison with commonly used methods on the test set.

Dataset	Error rate (%)
	Without enhancement	Enhancement
GMM-HMM	33.69	31.24
DNN-HMM	30.58	29.48
CNN-HMM	29.73	27.85
Methodology of this paper	31.03	25.96