bidirectional microphone

bidirectional microphone

[‚bī·də′rek·shən·əl ′mī·krə‚fōn]

(engineering acoustics)

A microphone that responds equally well to sounds reaching it from the front and rear, corresponding to sound incidences of 0 and 180°.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.