Microphone
acoustic-to-electric transducer or sensor that converts sound into an electrical signal / From Wikipedia, the free encyclopedia
A microphone, sometimes referred to as a mike or mic (both IPA pronunciation: [maɪk]), converts sound into an electrical signal.
Microphones are used in many applications such as telephones, tape recorders, hearing aids, motion picture production, live and recorded audio engineering, in radio and television broadcasting and in computers for recording voice.