Assertion: microphone | /r/HasProperty | directional
Facets:
Source sentences:
text: The X-Y technique involves the coincident or close placement of two microphones, which may be either directional or omnidirectional.
text: Almost all microphones for sound reinforcement are directional.
text: The microphone may still be directional, but it will be able to pick up more sounds as well as sounds from a greater distance with better clarity.