loudness rating (LR)是什么意思

用法例句

In order to determine the preferable loudness to appreciate Chinese native music,sound power level measurements and subjective loudness evaluation were carried out simultaneously in real halls for native music performance.

为了研究中国民族音乐欣赏的响度优选值,在数个民乐实际演出厅堂里进行声压级测量,并同步进行音质响度评价,总结得出中国民族音乐欣赏的响度优选值为81至89dB,该结果对于我国民族音乐演出模式以及演出厅堂的研究均具有重要指导意义。