标准摘要
[中文适用范围]： 指定频率加权特性（指定为 G），用于确定其频谱部分或全部位于 1 Hz 至 20 Hz 频带内的声音或噪声的加权声压级。 [外文原描述]： Specifies a frequency-weighting characteristic, designated G, for the determination of weighted sound pressure levels of sound or noise whose spectrum lies partly or wholly within the frequency band from 1 Hz to 20 Hz.
英文名称Acoustics — Frequency-weighting characteristic for infrasound measurements