supercardioid microphone

supercardioid microphone

[¦sü·pər‚kärd·ē‚ȯid ′mī·krə‚fōn]
(engineering acoustics)
A microphone whose response pattern resembles a cardioid but is exaggerated along the axis of maximum response, so that it is highly sensitive in one direction and insensitive in all others. Also known as superdirectional microphone.