International Organization for Standardization (ISO)
Latest
ISO 7196:1995
Scope
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.
ISO 7196:1995 history
1995ISO 7196:1995 Acoustics - Frequency-weighting characteristic for infrasound measurements