Measurement microphones - Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison (IEC 61094-8:2012); German version EN 61094-8:2012 + AC:2013
测量传声器.第8部分:通过比较测定工作标准传声器自由场灵敏度的方法(IEC 61094-8-2012);德文版EN 61094-8:2012+AC:2013