@Eric_MS Just echoing the need for a site-by-site basis to block sound.
I enabled #edge-limit-autoplay and have had mixed results; maybe the algo is still under development? I also tried #edge-sound-content-setting, and it does what it says -- block sound everywhere -- but blocking is probably unusable for most users.
Hope you can find a workable solution, so we can keep cheesy sites from blasting sounds when we land on the page. Keep up the great work!!!!