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Journal Article

The Quest for Directional Microphones at RCA

Authors: Olson, Harry F.

Journal of the Audio Engineering Society · Volume 28 · Issue 11 · pp. 776–786 · November 1980

Abstract

The velocity microphone with a bidirectional cosine directional pattern and the unidirectional microphone with a cardioid directional pattern were developed five decades ago. Microphones with these directional characteristics have remained, up to the present time, the most significant directional microphones. A description is provided on how these and other directional microphones were developed using classical acoustical equations as a guide.

Details

Publication
Journal of the Audio Engineering Society
Volume
28
Issue
11
Pages
776–786
Publication date
November 6, 1980
Type
Journal Article