acoustic feedback

American  

noun

Electronics.

1. (in an audio system, especially a public-address system) the feedback of sound from a loudspeaker to a microphone, often resulting in a whistling noise caused by electrical oscillations.

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Example Sentences

“When sound is amplified and escapes from the ear canal, it can be fed back through the tiny microphone on the device, causing a high-pitched squealing sound referred to as acoustic feedback,” Shoup says.

From Washington Post

But in what has become known as live virtual acoustics, processors and speakers provide the acoustic feedback of a particular space in real time, so that musicians can adjust their performance as if they were really in another building.

From New York Times

“At low speeds and revs it needs to enable comfortable driving. At higher speeds in sports mode, a more intense acoustic feedback is needed to make customers experience the potential of the vehicle,” Pfadenhauer told the magazine.

From Reuters

Hammers aren’t designed to give acoustic feedback, but we can hear when we hit a nail squarely .

From The Verge

He speculated that the jet becomes unstable inside that gap, setting up an acoustic feedback loop within the gap.

From Scientific American