Ordinate与SpeechRater口语自动评分系统评述与启示

被引:14
作者
罗凯洲 [1 ]
韩宝成 [2 ]
机构
[1] 北京外国语大学中国外语教育研究中心
[2] 北京外国语大学外国语言研究所
关键词
口语考试; 自动评分系统; 构念定义; 任务设计;
D O I
暂无
中图分类号
H319.3 [教学法];
学科分类号
050201 ;
摘要
口语自动评分系统是全自动口语考试的核心技术,为大规模口语考试的实施带来新契机。在口语自动评分领域,Ordinate与SpeechRater评分系统被公认为典型代表,但普通考生、教师乃至一些测试研发者对这一新生事物并不十分熟悉,甚至抱有误解。本文试从系统架构(语音识别、特征提取、分数计算)及评分质量视角对比评述两大系统,以期揭开口语自动评分过程的神秘面纱;并从系统与考试构念及任务的关系层面切入,评论两大系统带来的启示。
引用
收藏
页码:27 / 32
页数:6
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