What is the principle of the microphone?

The working principle of the moving coil microphone is to use the human voice to vibrate the diaphragm through the air, conference microphone and then the coil winding on the diaphragm and the magnet surrounding the moving coil microphone form a magnetic field cutting to form a weak current.



The working principle of the electret microphone is to vibrate the diaphragm with the human voice through the air, so that the distance between the upper diaphragm and the lower metal iron plate changes, so that the capacitance changes and the current impedance is formed.



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