> If it was trivially possible, Firefox would already be doing it. Sorry but Firefox is mostly on the dark side these days. That shouldn't be too surprising

> If it was trivially possible, Firefox would already be doing it. Sorry but Firefox is mostly on the dark side these days. That shouldn't be too surprising since most of its money comes from google. It does have a setting to stop embedded video from playing sound unless you send an event, but it is too easy for obnoxious pages to evade and play sound against your wishes.