EPFL researchers have developed a 100% effective, ultra-thin active noise cancelling system that uses an ionized air plasma propulsion system instead of speakers. A 17-mm-thick (0.6-in) layer can block 20 Hz noise as well as a 4-m-thick (13-ft) wall.Continue ReadingCategory: TechnologyTags: Acoustics, EPFL, Noise-Canceling, Sound
Search results for cancelling
Plasma-based noise cancelling could silence rooms, cars and planes
Posted by ArielTechGeek 617 days ago (https://newatlas.com)
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