Assertion: hearing aid's microphone | /r/CapableOf | work as two directional microphones
Facets:
value: effectively
type: MANNER
Source sentences:
text: These 'hearing glasses' incorporate a directional microphone capability: four microphones on each side of the frame effectively work as two directional microphones, which are able to discern between sound coming from the front and sound coming from the sides or back of the user.