prEN ISO 5114-1
声学 与声发射测量相关的不确定性的确定 第1部分:通过声压测量确定的声功率级(ISO/DIS 5114-1:2023)
Acoustics - Determination of uncertainties associated with sound emission measures - Part 1: Sound power levels determined from sound pressure measurements (ISO/DIS 5114-1:2023)