[Ivan_hl2dm]

Chrome's autoplay policies are simple:

Muted autoplay is always allowed.
Autoplay with sound is allowed if:
User has interacted with the domain (click, tap, etc.).
On desktop, the user's Media Engagement Index threshold has been crossed, meaning the user has previously play video with sound.
On mobile, the user has [added the site to their home screen].
Top frames can delegate autoplay permission to their iframes to allow autoplay with sound.