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  1. Microphone - Wikipedia

    • David Edward Hughes invented a carbon microphone in the 1870s. The first microphone that enabled proper voice telephony was the (loose-contact) carbon microphone. This was independently developed by David Edward Hughes in England and Emile Berliner and Thomas Edison in the US. See more

    Overview

    A microphone, colloquially called a mic , or mike, is a transducer that converts sound into an electrical signal. … See more

    History

    In order to speak to larger groups of people, a need arose to increase the volume of the human voice. The earliest devices used to achieve this were acoustic megaphones. Some of the first examples, from fifth-c… See more

    Varieties

    Microphones are categorized by their transducer principle (condenser, dynamic, etc.) and by their directional characteristics (omni, cardioid, etc.). Sometimes other characteristics such as diaphragm size, intended us… See more

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