Study on Automatic Evaluation Method of Spoken English Based on Multimodal Discourse Analysis Theory

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Abstract

Aiming at the low confidence of traditional spoken English automatic evaluation methods, this study designs an automatic evaluation method of spoken English based on multimodal discourse analysis theory. This evaluation method uses sound sensors to collect spoken English pronunciation signals, decomposes the spoken English speech signals by multilayer wavelet feature scale transform, and carries out adaptive filter detection and spectrum analysis on spoken English speech signals according to the results of feature decomposition. Based on multimodal discourse analysis theory, this evaluation method can extract the automatic evaluation features of spoken English and automatically recognize the speech quality according to the results. The experimental results show that, compared with the control group, the designed evaluation method has obvious advantages in confidence evaluation and can solve the problem of low confidence of traditional oral automatic evaluation methods.

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APA

Ren, J. (2021). Study on Automatic Evaluation Method of Spoken English Based on Multimodal Discourse Analysis Theory. Security and Communication Networks, 2021. https://doi.org/10.1155/2021/1486575

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