Noise pollution has become a serious social problem in many cities. NoiseTube is a research project to investigate a technology platform to monitor the daily sound exposure of citizens using a participative approach. Thanks to a mix of low-cost equipment, a sound recorder as a loudness sensor, a GPS smartphone for localization and subjective impressions, any citizen concerned with urban noise can measure and inform the community about their daily sound experiences, visualizing them on the city's map.
NoiseTube is built around the spirit of open participation and collaboration. There are several ways you can help:

The sound exposure of a user during a walk in Paris. The circles represent the loudness in dB(A) perceived by the user