Could the audio be made to at least stop playing on closing the browser window? It stops if you close the Add window, or Edit window during a review, but if I’m pasting audio into a field via the card browser then, annoyingly, I’m having to wait for the audio to stop playing before going back to whatever I was doing like OP described. Intuitively I think that’s how it should work anyway, and no new settings need to be created.
Originally reported on https://forums.ankiweb.net/t/stop-audio-autoplay-on-card-drop-when-closing-browser-window/53529