Indicates that a frequency band outside the Weighted Sum Frequency Range is less than 6 dB below the total A-weighted value when A-weighted.
The standard states that the uncertainty may not be guaranteed in this case.
Indicates that a frequency band outside the Weighted Sum Frequency Range is less than 6 dB below the total A-weighted value when A-weighted.
The standard states that the uncertainty may not be guaranteed in this case.