New York City is loud and getting louder. The number of noise complaints filed with the city’s 311 line has more than doubled since 2010. The main culprits, in no particular order, are raucous parties (which the police no longer interrupt), construction work (which takes place at all hours), sirens, air-conditioning units, bar patrons, barking dogs, and noisy children. For co-op and condo boards, noise complaints between neighbors are a persistent headache. That’s because it’s difficult – and expensive – to pay an acoustic engineer to document offensive noise.   Read the article……………..