The Hearing Protection Act was introduced during the final year of Obama’s second term, reintroduced when Trump took office, and there were also various versions of it like the SHUSH Act, and the SHARE Act. None of them even made it to the floor for a vote. After the Vegas shooting, any hopes of such a thing going forward were squashed, thanks in large part to Paul Ryan.
Ryan was at the height of his career as House Speaker, with a majority Republican House, a majority Republican Senate, and a Republican President when he decided not to run again, and do everything in his power to oppose President Trump.