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Rabenda Author

Level 1

8 points

AppleTV HD 16:9 aspect ratio on 4:3 resolution 640x480

Hi,

I‘ve connected a little 640x480 projector (=4:3 aspect ratio) to my AppleTV HD. Eventhough I‘ve set the resolution accordingly to 640x480 on AppleTV, the AppleTV is not putting put 4:3 content but rather 16:9 content which is stretched vertically to 4:3, which is true for the menu as well as for AirPlay.

If the AppleTV can‘t change the menu‘s aspect ratio shouldn‘t there at least be letterboxes if the content is 16:9, but the resolution 4:3?

How can I get an unstretched picture?

Posted on Dec 20, 2020 3:59 AM

Top-ranking reply

Urquhart1244

Community+ 2024

Level 10

143,058 points

Posted on Dec 20, 2020 6:03 AM

The Apple TV would in this case send a video signal for 307200 pixels per frame with a ‘flag’ (meta data) that it should be displayed as 16:9. It is then up to the projector to letterbox it. A suitable projector (listed as 16:9 compatible) would support such a video stream. There are no controls on Apple TV for anything different than 16:9 for video output.

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AppleTV HD 16:9 aspect ratio on 4:3 resolution 640x480

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