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Noise Pollution Maps from Smartphone Data

Matt Ball on October 24, 2013 - in Projects, Sensors

Noise pollution is one of the banes of modern life. Its effects are broad and insidious, ranging from sleep and work disruption to hearing impairment and psychological damage.

So in recent years, a number of countries, such as Germany and the U.K., have begun to measure noise pollution over large metropolitan areas on a systematic basis. Smartphones can provide accurate measurements of ambient sound as well as a location and time stamp to show exactly where the measurement was taken. The difficulty is in ensuring that the measurements are useful recordings of ambient noise and not other sounds that might distort the readings.

Read more in Technology Review

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