loudness rating

英 美
  • 响度评定
  • loudness n.响亮;音量;大声
  • rating n.等级;评定;收视率;额定值
    1. This Recommendation describes the essential features of objective instrumentation suitable for the determination of loudness ratings.
      本建议介绍适用于响度评定值测定的客观仪表的基本特性。