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I have an old Apple TV that I have hooked up to my 4:3 TV, and I would like to have the output from the Apple TV match the ratio of my TV so there isn't any stretching or squishing. It's running the latest firmware 3.0.2.

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Are there letterbox settings on the TV itself? Apple TV can output 480p which should be (but not necessarily be) a 4:3 ratio. Can you set the output setting on your Apple TV? – matthewpavkov Dec 15 '10 at 4:03
You can read how to change the output (select a video mode) in the manual which you can download. Then read page 30. (… ) – matthewpavkov Dec 15 '10 at 4:06

I don't believe it will be 4:3. One of the requirements for ATV was a widescreen TV. I think it always assumes a 16:9 ratio. As @matthewpavkov suggested, best bet would be to get the tele to force the input into 4:3, but it's very model dependant if the tele actually supports that.

Update: I stand corrected, there seems to be a thread related to this exact issue on the MacRumors fourms However, it seems that it stopped working on the 3.x firmware, so there's an even more hacky way of achieving it here. Sounds horrible though!

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Thanks for the links, I'll give them a shot! – Kyle Cronin Dec 15 '10 at 17:17

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