The auto-dubbing on youtube has the classic hallmark of an AI product: you can't turn it off easily.

(the audio track switcher, which will give you back the original audio, is not available on mobile. Fortunately if you use newpipe it is ..)

> real time local translator hardware that we can just plug in our ear when traveling

These are definitely already a thing, popular in Asian countries. https://www.aliexpress.com/item/1005008777097933.html