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'City that never sleeps' wants to dial down the volume

New York will use artificial intelligence to recognise sounds automatically, giving authorities a way to mitigate noise levels

In Manhattan, the effects of noise are amplified by skyscrapers which form "canyons of sound" and make everything louder.

CAR horns, sirens, drilling, jets flying overhead and restaurants where diners have to yell to be heard - New York is one of the loudest cities in the world.

But America's most populous metropolis, known as "the city that never sleeps", has launched a unique experiment seeking to provide...

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