unidirectional microphone[¦yü·nə·də′rek·shən·əl ′mī·krə‚fōn]
A microphonethat is responsive predominantly to sound incident from one hemisphere, without picking up sounds from the sides or rear.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A microphone whose response is predominantly from a single direction.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.