Assertion: headset | /r/CapableOf | give two figuresï¿½one
Facets:
value: for the noise reduction
type: PURPOSE
Source sentences:
text: An NRR of 26 dB tells you that a headset reduces the amount of noise reaching your ears by 26 dB. Active noise reduction headsets may give two figuresï¿½one for the noise reduction when the electronics are turned on and one for when they are not.