Vittle’s 720p HD Letterboxing

by qrayon 12. May 2013 16:25

Vittle banner 325x50

Vittle produces letterboxed (actually pillar-boxed) 720p HD videos, with black bars on the sides. There's an interesting reason for this: It turns out that YouTube and other services will only enable the HD option if your video is 720p (1280x720 pixels) or higher. 720p is also a 16:9 ratio, and of course the iPad's screen has a 4:3 ratio.

YouTube 720p Letterbox

In designing Vittle, we considered the following options:
1. Stretch the visible canvas from 4:3 to fill 16:9. This will cause distortion.
2. Letterbox the 4:3 content with black bars
3. Fit a 16:9 canvas in 4:3, which would lead to a smaller (20% shorter) effective canvas for writing on.
4. Only show 4:3 on the iPad, but actually record more of the canvas for 16:9 (making the viewport harder to control).
5. Record in the iPad's native aspect ratio, but then HD won't work in YouTube.

We picked option 2 as the one we think most people will prefer. This allows a perfect 1:1 mapping of the image you see on your iPad and the pixels in the generated video, so there are no surprises. This also enables fast native recording, avoiding a lengthy video processing step.

What do you guys think of the pillar-boxes? Is there another option you would much prefer? Please let us know. If enough folks need it, we’ll consider adding an option for other output sizes.

Cropping with iMovie

In the meantime, if you absolutely must remove the black bars or wish to stretch your video to fill the screen, iMovie for the Mac does have a handy crop feature. This Apple support document describes how. Your favorite movie editing tool on other platforms probably has a similar feature.

 

Thanks for your feedback! Hope you guys are enjoying Vittle!

Comments

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