应用声能比评价小学教室中的汉语语言清晰度

彭健新严南杰

Useful-to-Detrimental Sound Ｒatios-Based Evaluation of Chinese Speech Intelligibility in Elementary School Classrooms

Pen Jian-xin Yan Nan-jie

华南理工大学学报（自然科学版） . 2014, (8): 1 -5 . DOI: 10.3969/j.issn.1000-565X.2014.08.001