Microphone. A microphone is a device that captures audio by converting sound waves into an electrical signal. ... Dynamic - Dynamic microphones are the most widely used microphones. They have a simple design that includes a magnet wrapped by a metal coil. And A microphone is a device that translates sound vibrations in the air into electronic signals or scribes them to a recording medium. Microphones enable many types of audio recording devices for purposes including communications of many kinds, as well as music and speech recording.vibrations in the air into electronic signals or scribes them to a recording medium. Microphones enable many types of audio recording devices for purposes including communications of many kinds, as well as music and speech recording.vibrations in the air into electronic signals or scribes them to a recording medium. Microphones enable many types of audio recording devices for purposes including communications of many kinds, as well as music and speech reco

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