Application of Flipped Classroom Model Driven by Big Data and Neural Network in Oral English Teaching

Table 2

The accuracy of pronunciation error recognition of different structure classifiers on the English test set.

Method	200 nodes	400 nodes	600 nodes	1200 nodes
1 layer	93.1	93.4	93.9	92.1
2 layers	93.2	92.9	93.3	92.2
3 layers	91.3	91.9	93.0	92.9