标准摘要
[中文适用范围]： 描述了用于确定声级计随机入射灵敏度水平的自由场校准方法。此外，还描述了用于确定扩散场灵敏度水平的扩散场校准方法。校准满足的选择 [外文原描述]： Describes a free-field calibration method for determining random-incidence sensitivity levels of sound level meters. Additionally, the standard describes a diffuse-field calibration method for determining diffuse-field sensitivity levels.
英文名称Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters