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A new invention from Singapore-based researchers is set to bring peace and quiet to urban homes.
The 24 small speakers mounted on the metal window grill act like putting on giant noise cancelling headphones.
They generate what the scientists call an acoustic shield.
On detecting noise, the speakers generate sound waves which eliminate noise at a particular frequency.
It achieves up to 10 decibels' noise reduction while at the same time letting fresh air and light into the apartment.
Gan Woon Seng, Professor of Audio Engineering explains not all noise can be eliminated.
The World Health Organisation has outlined that many health issues such as cardiac disease, hearing loss and hypertension are aggravated by noise.
It's hoped that these noise cancelling windows will have a positive impact on people's health.
