Акустика. Характеристика взвешивания по частоте для измерения инфразвука
Название (англ.):
Acoustics. Frequency-weighting characteristic for infrasound measurements
Описание (англ.):
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.