Can anyone hear me out there?

I enjoy going to the movies. But I object to the painfully loud audio, especially during pre-show trailers and advertisements. Such excessive volume is not only an annoyance but is a public health hazard that can permanently damage patrons' hearing. Surely we must have ordinances against dangerous noise pollution. Where is the enforcement? The Health Department should be conducting periodic, unannounced decibel-checks at all local theaters and should levy substantial fines for violations.