Headset Microphone Type

Headset Microphone Type

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there are two types of microphones: dynamic and electret. Dynamic microphones convert sound pressure waves to electrical signals by means of a coil attached to a diaphragm moving in a magnetic field. Electret microphones use a capacitor as the sound pressure sensing element. Electret microphones are a special case of condenser microphones in that they are permanently polarized and require no special polarizing voltage. Electret microphone outputs are high impedance.

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