The noise level map must be updated every four years. ... Westfield hearing to address possible changes to noise map for Barnes Regional Airport. Published: Aug. 23, 2015, 10:47 p.m. By .

An applied mathematician and former Caltech teacher has mapped the loudness of every address in Los Angeles and is, naturally, releasing it in website form. HowLoud founder Brendan Farrell came up ...

An app called HowLoud has created sound profiles for every Los Angeles address, and now RentLingo has released a searchable map that displays the decibel levels at any given point in town, which ...

Farrell, a former Caltech instructor, and his company, HowLoud, are looking for $38,000 to fund their continental noise map, which will use 3-D models to generate sound profiles for each and every ...

The map also shows that less than one-tenth of the U.S. population is exposed to noise pollution from interstates and aviation that is louder than 80 decibels -- or as loud as a garbage disposal.