Researchers at the EPFL Acoustic Group have come up with a crazy plasma-based noise cancelling tech that could revolutionize the audio world.
Researchers with the EPFL Acoustic Group are looking to take noise cancelling a bit further. While it’s easy to set up ANC in headphones and cars to work well, setting it up at room scale can be a bit trickier, as the current way we utilize this tech still leas low-frequency sounds out. However, a new plasma-based noise-cancelling tech could help solve this issue.
To cut down on the noise and cancel it out, the EPFL began experimenting with super-slim sheets of plasma-based ionic speakers. These speakers are extremely lightweight, simple, and even cheap to build. They work similarly to ionic propulsion systems, which use an electric field to ionize ambient air through the plasma.
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