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Every microphone has a characteristic polar pattern that determines how well
it accepts or rejects signals coming from various areas around the microphone.
A type of design which is particularly good at rejecting background noise is the
bi-directional polar pattern uti-
lized by the QE Headset, as
shown in the illustration on the
left.
10
USING YOUR QE/QV HEADSET
0°
-10dB
-20dB
90°
180°
270°
QE Headset Polar Pattern
(measured at 1 kHz)