语音检测技术在高考外语听说机考中的应用探析  

Exploratory Analysis of the Application of Voice Detection Technology in the Computer-based Test of Foreign Language Listening and Speaking for College Entrance

作　　者：吕鸣[1] 

机构地区：[1]上海市教育考试院,上海200433

出　　处：《中国考试》2017年第6期55-59,共5页journal of China Examinations

摘　　要：本文介绍应用语音检测技术实时甄别听说机考语音异常的方法和策略:先由机器学习异常语音特征,再经反复试验,优化检测组件,最终集成入机考系统。上海市高考外语听说机考的结果表明,应用语音检测技术检测听说机考语音异常非常有效。This article introduces the method and strategy of the application of voice detection technology in real- time screening of abnormal voices for computer-based testing of listening and speaking. To optimize the detection components, which will be ultimately integrated into the computer test system for the live test, the computer learns the abnormal voice features first, which are then confirmed through repeated trials. The result of the computer- technology to detect abnormal voices is very effective.

关 键 词：高考 外语听说测试 计算机辅助考试 语音检测技术 

分 类 号：G405[文化科学—教育学原理]