Still, only a black rectangle is shown (also disabled ad blocker).
There are a couple of _warning_ messages in the dev console though, which might explain the origin of the issue:
> An AudioContext was prevented from starting automatically. It must be created or resumed after a user gesture on the page.
> Autoplay is only allowed when approved by the user, the site is activated by the user, or media is muted.
Still, only a black rectangle is shown (also disabled ad blocker).
There are a couple of _warning_ messages in the dev console though, which might explain the origin of the issue:
> An AudioContext was prevented from starting automatically. It must be created or resumed after a user gesture on the page.
> Autoplay is only allowed when approved by the user, the site is activated by the user, or media is muted.