Airplay in Safari changes the language from English on all devices I Airplay video to in my home.

Playing from Safari, if the video in YouTube has non-English audio tracks, whenever I Airplay ANY video on YouTube to an AppleTV of one of the other 4 Macs in my house, it ALWAYS plays using the non-English audio track, be it Italian, Spanish. It's ALWAYS the first language in the list of alternative audio tracks.

For those who want to say, "Go to Settings on the AppleTV and pick the language", English is the only language I have in Languages on the AppleTV and I do not use my other computers in Italian, Spanish or German.

This seems like a problem on the sending Mac itself, NOT the receiving device since it only picks an alternate language that is supplied in the video - which is on the sending Mac.

It's not a receiving machine problem.

If I use Airplay to Airplay to more than one device at once and the sending Mac, the language that comes out the sending Mac is also the wrong language.

This has been happening for over a year and none of the info I've seen anywhere has been any help in diagnosing this.

It's a Safari AirPlay issue on the SENDING machine. But what it is, I have no idea.

Anyone?