If you’ve ever been to a live show, you’ve no doubt experienced feedback–that loud, screeching, piercing noise that feels like an ice pick is going through your ears into your brain. It is NOT pleasant, but it’s something music fans have had to endure since the invention of microphones and amplifiers. But maybe not anymore.
There is now software that turns down the volume before feedback happens. At soundcheck, a venue is checked for the various frequencies that triggers feedback. Once the analysis is done, the gig can go ahead feedback-free as the software takes care of any problems. It can even adjust to changing conditions. For example, the acoustics of an empty arena are different than one filled with 18,000 sweaty bodies.
As this technology spreads, it should mean the end of feedback forever
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