Traditional English teaching focuses on exam-oriented education. Although many students have passed various English tests and even achieved high scores, they cannot communicate freely in English. In order to change this situation, the state has adjusted the syllabus to enhance students' audiovisual (AV) and oral ability. With more attention paid to the course of audiovisual speaking, the improvement of teaching quality has become an important part. The rationality of teaching effect evaluation plays a key role. Therefore, it is necessary to establish a scientific and reasonable AV and oral teaching effect evaluation model. Based on this, this paper proposes an evaluation algorithm of English AV and oral teaching effect based on deep learning (DL). Its characteristics are as follows: firstly, a data-based objective evaluation method of teaching effect is constructed, and then the adaptive algorithm is used to optimize the initial weight and threshold of deep neural network. English teaching implementation shows to us that English language characteristic and the matter of actual activities are closely connected to the context. English learning should not only pay attention to the understanding of English vocabulary and sentence and also carry out cultural exchanges with the countries, but English is the common language. The experimental results show that this model improves the prediction accuracy and convergence speed of teaching quality evaluation results, providing a more feasible scheme for the evaluation of English AV teaching effect.
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