摘要
语言清晰度／可懂度的测试，传统作法是在听音环境中用字（词）表，通过符合一定条件的测听队伍进行听音测试，统计后作出测评。８０年代末，提出了用语言传输指数（ＳＴＩ）对语言可懂度作出评估的方法。为了简化测试程序，ＩＥＣ提出了ＲＡＳＴＩ法，１９９７年１２月发表的ＩＥＣ文件（１００Ｃ／１８９ＮＤＩＳ）对１９８８年出版的ＩＥＣ２６８－１６作了修订，除ＳＴＩ及ＲＡＳＴＩ法外，又提出了ＳＴＩＴＥＬ方法及一些其它方法。根据上述文件内容对几种主要方法作以综述，并对其适应条件加以说明。
For speech articulation/intelligibility, traditional method took 'word' listening test in listening environment by jury and investigated after statistics. In the late eighties, method nvestigat- ing speech intelligibility are presented by speech transmission index(STI). To simplify testing program, IEC presented RASTI method. IEC document (100C/189/FDIS) published in Dec. 1997 revised IEC268-16 published in 1988. STITEL method and some other methods were proposed besides STI and RASTI. In this paper the above methods are introduced according to the documents, and also the corresponding condition.
出处
《电声技术》
北大核心
2000年第4期10-15,共6页
Audio Engineering
