All microphones work in a similar way. They have a diaphragm (or a ribbon) that moves in response to changes in air pressure due to sound waves impinging on the diaphragm – similarly to how the ...
(click thumbnail)FIG. 1 - Circuit of a condenser microphone with electrically switchable polar characteristics. (click thumbnail)FIG. 2 - Polar patterns obtainable from a microphone as shown in Fig. 1 ...