Emile (originally Emil) Berliner was born in Hanover, Germany, on May 20, 1851.
Microphones are used in many ways like telephones, hearing aids, live and recorded audio engineering, sound recording, two-way radios, megaphones, radio and television broadcasting, and in computers for recording voice, speech recognition, VoIP, and for non-acoustic purposes such as ultrasonic sensors or knock sensors.
