Feedback

For other uses, including Audio feedback, see Feedback (disambiguation)

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In cybernetics and control theory, feedback is a process whereby some proportion or in general, function, of the output signal of a system is passed (fed back) to the input. Often this is done intentionally, in order to control the dynamic behaviour of the system. Feedback is observed or used in various areas dealing with complex systems, such as engineering, architecture, economics, and biology.

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Audio feedback: Audio feedback (also known as the Larson effect) is a special kind of feedback which occurs when a loop exists between an audio input (for example, a microphone or guitar pickup) and an audio output (for example, a loudspeaker). In this example, a signal received by the microphone is amplified and p...

Feedback (disambiguation): Feedback can refer to:...

Cybernetics: Cybernetics is a theory of the communication and control of regulatory feedback. The term cybernetics stems from the Greek Κυβερνήτης (kybernetes - meaning steersman, governor, pilot, or rudder; the same root as government)....