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A microphone, colloquially nicknamed mic or mike (/ËmaÉªk/), is a transducer that converts sound into an electrical signal.
Microphone Types. It is often taught that sound is vibrations in the air.. We are able to enjoy music because we sense these vibrations in the air as sound. Microphones convert these vibrations into electrical signals. Here are the two main types of microphone: (1) Dynamic microphones. Characteristics.