Stop disallowed Airbnb parties with "noise sensor"

So it appears there is a new gadget on the market which can be installed in your Airbnb rental, which will sense the noise level there, and report to you if there is an excessive noise level (due to a prohibited party or the like):

www.scpr.org/news/2016/05/18/60777/smoke-detector-for-noise-aims-to-stop-airbnb-parti/