Yes, this depends on the user’s past browsing behavior on the site. You can check this article for more details: https://developers.google.com/web/updates/2018/11/web-audio-autoplay
“Additionally, we added a heuristic to learn from users’ past behavior with regard to websites that autoplay audio. We detect when users regularly let audio play for more than 7 seconds during most of their visits to a website, and enable autoplay for that website.”
