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Cardioid microphone
[Film Technology]
So called because its
sensitivity pattern is heart shaped, another name is uni-directional
microphone. Microphone whose directivity pattern of microphone (polar diagram) is heart shaped, resulting in maximum
sensitivity at the front and very low sensitivity at the rear.
Accessories : mike mounting swivel bracket, `gun’ tube. 30mm and 130mm
extension tubes. Foam an metal mesh wind shields.
Dimensions : 147 mm long .18mm diameter.
Weight :
120gm.
Finish : Matt.
Some degree of
directionality is introduced to produce a heart shaped response curve. These
are widely used in TV studios because when
pointed at an artist their ‘dead’ side of microphone can be directed more-or-less
towards areas of noise in the studio. They are widely used in booms, and here `dead’ side is primarily of value of
rejecting studio reverberation. So that for a
given sound perspective, the microphone can be used farther from the performer than an omni-directional
microphone could be.
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