Assertion: device's use | /r/CapableOf | eliminate background noise
Facets:
value: around the speaker
type: LOCATION
value: by using a directional microphone
type: MANNER
Source sentences:
text: The use of a wireless microphone placed next to the person speaking eliminates the sounds between them and listener, which reduces the effects of reverberation from poor room acoustics, background noise around the listener, and background noise around the speaker (by using a directional microphone).