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.
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