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Why 720×576 PAL miniDV footage needs to be 768×576 in AE?
Why the picture is too slimm with 720×576 composition setting in AE even though the original video is 720×576? In premiere it looks normal with 720×576.
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12 Replies
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Did you check the Help for “pixel aspect ratio correction”?
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No but I checked “Toggle pixel aspect ratio correction” box and that didnt help… but changing composition to 768×576 and also changing Pixel Aspect Ratio in Composition settings from DV PAL (1,07) to Square Pixels worked. Should I do it different way?
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I just read the help and it says:
“if a file uses nonsquare pixels, After Effects displays the pixel aspect ratio next to the file
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Hmm … let me think about this.
1. 720×576 is PAL, non-square pixels. Standard definition shot video footage uses non-square pixels. So your footage is normal.
2. If you drag the imported footage onto the “new comp” button at the bottom of the Project window, you will create a comp with the same settings as the footage. The button is the button that does *not* look like anything familiar. Once you do that, you can change the length (time) of the comp if you want.
3. The pixel aspect ratio correction button makes the footage look “normal” while you are working in AE on a computer. It does not *change* the footage — it just makes it look normal on a computer. The non-square pixel footage (or render) will look normal when played on a TV, because TVs use non-square pixels.
4. You should render using the DV PAL output module preset if you are sending the footage to Premiere.
5. If you look at this rendered movie in Quicktime Player, yes, it will *not* look correct. This is normal, since computers use square pixels. But it *will* look correct on a TV set.
6. I don’t know why it does not look correct in Premiere. But if you can connect a TV to your computer (firewire -> camcorder ->TV?) you should see it correctly on a TV when using Premiere. Maybe you should ask that question in a Premiere forum?
I hope that helps you.
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I meant that the video looks normal in Premiere (in the first post).
I’m going to put the final video to internet. So I should change composition to 768×576 and Square Pixels like I did?
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It’s not in a widescreen comp, is it ..?
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No, composition setting is PAL DV (1,07). The same what the video is. But it dont look right with that setting in computer where the final exported video goes. I think I have to change to 768×576 and Square Pixels so the video looks right in computer screen.
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Yes, you should make it 768×576, square pixels, for the internet, because the internet is viewed on computers and computers use square pixels.
You may have to reduce the final movie to 320×240 for quicker download and easier playback.
If the footage is interlaced, you *must* separate fields (file>interpret footage>main, separate fields>lower field first) for the internet.
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Ok.
“You may have to reduce the final movie to 320×240 for quicker download and easier playback.”
I was planning to reduce it to 384×288. Thats perfect half from 768×576. Is there difference if I resize it like that?
“If the footage is interlaced, you *must* separate fields (file>interpret footage>main, separate fields>lower field first) for the internet.”
My footage is progressive so I need to change this to “off”, am I right?
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[hiostt] “I was planning to reduce it to 384×288. Thats perfect half from 768×576. Is there difference if I resize it like that?”
No – that should be OK. If you have any problems encoding, try 320×240.
[hiostt]“My footage is progressive so I need to change this to “off”, am I right?”
Yes, you are right.
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