This document discusses the development of a noise monitoring IoT system and app for the city of Rome. It outlines sources of noise pollution like traffic and construction, the health effects of noise, and user opinions on noise levels affecting where they live and spend time. The developers created an app connected to IBM Watson IoT Cloud to provide a noise map of Rome and noise level data from events. Their goal is to help tourists choose accommodations based on noise preferences. The document also discusses integrating noise cancelling headphones into the system to further mitigate noise pollution effects.