What is AUDIO FEEDBACK? What does AUDIO FEEDBACK mean? AUDIO FEEDBACK meaning & explanation
How To Prevent Audio Feedback & Squeeling.
Using audio feedback
How to Prevent Feedback on Stage by Sweetwater
Audio feedback is a special kind of positive loop gain which occurs when a sound loop exists between an audio input and an audio output. In this example, a signal received by the microphone is amplified and passed out of the loudspeaker. The sound from the loudspeaker can then be received by the microphone again, amplified further, and then passed out through the loudspeaker again. The frequency of the resulting sound is determined by resonance frequencies in the microphone, amplifier, and loudspeaker, the acoustics of the room, the directional pick-up and emission patterns of the microphone and loudspeaker, and the distance between them. For small PA systems the sound is readily recognized as a loud squeal or screech. The principles of audio feedback were first discovered by Danish scientist Søren Absalon Larsen, hence the name "Larsen Effect".
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