HTG 419: Plasma-Based Sound Absorption - A new method of acoustic treatment

Acoustically treating a room normally involves bulky panels and other passive materials that must be very large and thick to affect low frequencies. But a new technology could do away with all that, replacing it with super-thin panels that use ionized air to perfectly tame the acoustics of any room.

New Atlas: Plasma-based noise cancellation could silence rooms, cars and planes

https://newatlas.com/technology/ionized-air-noise-reduction/

EIN NewsWire: Sonexos Partners With EPFL to Advance Plasma-based Active Sound-Absorbing Technology

https://www.einnews.com/pr_news/638104654/sonexos-partners-with-epfl-to-advance-plasma-based-active-sound-absorbing-technology

Nature Communications technical paper

https://www.nature.com/articles/s41467-023-38522-5

Host: Scott Wilkinson

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