标准摘要
[中文适用范围]： 除了 IEC 645-1 中适用和规定的要求之外，还规定了设计用于 8 000 Hz 至 16 000 Hz 频率范围内的纯音听力测定的听力测定设备的要求。确保扩展高频音频 [外文原描述]： Specifies requirements for audiometric equipment designed for use in pure tone audiometry in the frequency range from 8 000 Hz to 16 000 Hz, in addition to those that are applicable and specified in IEC 645-1.
英文名称Audiometers - Part 4: Equipment for extended high-frequency audiometry