180°
150°
120°
90°
60°
30°
0°
30°
60°
90°
120°
150°
-25
-20
-15
-10
-5
0
Microphone Types Polar Patterns
Cardioid (unidirectional)
Omnidirectional
Bidirectional
Bidirectional
Cardioid (unidirectional)
Omnidirectional
Bidirectional