Windows that block noise even when open

8 August 2020 by IdeaSpies

Industrial

Researchers at Nanyang Technological University in Singapore have developed a prototype, called the Anti-Noise Control Window, that expands the concept of noise-cancelling headphones to encompass an entire room. The prototypes consist of 24 small speakers that are placed in a window and emit sound waves that correspond to incoming noise and cancel it out.

https://www.springwise.com/sustainability-innovation/health-wellbeing/noise-canceling-aparatus-singapore?

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