基于语音评测的英语口语智能导师系统研究

Speech Assessment-based Intelligent Tutoring System for Spoken English Learning

移动互联网环境下，智能语音技术取得了突破性发展和创新性应用。在教育领域中，语音评测技术也达到了大规模应用的条件。该研究针对英语口语教学中存在的学习环境匮乏和评价难度大等问题，设计了基于语音评测的英语口语智能导师系统，旨在通过一对一个性化教学的途径为上述问题提供解决方案。该智能导师系统主要包括学生模型、领域模型和教学模型三部分，作为核心的学生模型通过自动化语音测评技术描述学生当前的口语技能水平，教学模型依据学生模型向学生推荐个性化的口语学习资源。结果表明，该方法能够有效地辅助学生的英语口语学习。

Intelligent speech technology has made a breakthrough in the development and innovative applications in the mobile Internet era. In education, automatic speech assessment technology is ready for large-scale applications. The paper has proposed an Intelligent Tutoring System for one-on-one individualized spoken English teaching to solve problems like context of situation scarcity and speech evaluation difficulty. The results show that this method can effectively aid the student's spoken English learning.