Sometimes there's nothing like a nice breeze from an open window, but in the city that can come with an unwanted side order of street noise. Inspired by the kind of noise-canceling tech used in headphones, researchers at Nanyang Technological University, Singapore (NTU) have developed a window-based system that can actively cut noise coming from outside. (…)

http://media.ntu.edu.sg/NewsReleases/Pages/newsdetail.aspx?news=9f9b733e-44fc-45b4-9c07-436fe65c1017


On a very much related topic, see also what DeNoize is developing https://denoize.com/

DeNoize can transform any glass window into a smart system by adding our  active noise canceling technology to it. Trough this we enable the  future of real-estate with higher comfort and a healthier living  environment.