标准摘要
[中文适用范围]： 规定了音响系统麦克风的电阻抗、灵敏度、方向响应模式、动态范围和外部影响的测量方法，并就要指定的特性给出了建议。它适用 [外文原描述]： specifies methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also gives recommendations as to characteristics to be specified. It applies to sound system microphones for all applications for speech and music
英文名称Sound system equipment - Part 4: Microphones