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The Microphone Book, 2nd Edition by John Eargle

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CHAPTER 6

HIGH DIRECTIONALITY MICROPHONES

INTRODUCTION

For many applications it is necessary to use a microphone with directional properties exceeding those of the first-order cardioid family. In the film/video industry, for example, dialog pickup on the shooting set is usually done by way of an overhead boom microphone which must be clearly out of the picture and may be two or more meters away from the actors. Adequate pickup may depend on a highly directional microphone to ensure both speech intelligibility and a subjective sense of intimacy.

Sports events and other activities with high ambient noise levels may require highly directional microphones for noise immunity, and recording in highly reverberant spaces may require such microphones ...

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