Microphone

An acoustical-electrical transducer by which sound waves in air may be converted to electrical signals.

See also: Acoustics, Capacitor Microphone, Carbon Microphone, Pop.

Further reading:
• Handbook of Modern Sensors, Jacob Fraden, Springer-Verlag Berlin and Heidelberg GmbH & Co. KG

Weblinks:
• Bruel & Kjaer - Technical Reviews These documents give detailed articles on measurement and signal processing theory.