Assertion: microphone's sound | /r/CapableOf | reflect off the boundary surface
Facets:
Source sentences:
text: A conventional microphone placed on, or a few inches above, a hard boundary surface will pick up the desired direct sound as well as delayed sound reflecting off the boundary surface.
text: A conventional microphone placed on, or a few inches above, a hard boundary surface will pick up the desired direct sound as well as delayed sound reflecting off the boundary surface.