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Weird aspect ratio problem

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Ludvig Ström
Weird aspect ratio problem
on Nov 25, 2009 at 6:09:42 pm

Hi, I have created a comp with the PAL D1/DV Widescreen preset, aspect ratio 1,46. I render everything and it looks good on my computer.

But when I play it of adtoox(upload for commercials in north Europe, http://www.adtoox.com) the picture is slightly stretched.

I notice in there after effects rendering guide that they have a aspect ratio of 1,422. I cant choose that aspect ratio anywhere. not in my comp dialogue neither the output dialogue.

adtoox rendering guide:
https://ecexpress.adtoox.com/help/data/Robohelp/!SSL!/WebHelp/After_Effects...

Picture where they can choose correct aspect ratio but can´t:
https://ecexpress.adtoox.com/help/data/Robohelp/!SSL!/WebHelp/After_Effects...

The clip should be PAL 25fps 16:9 full frame (FHA), 720x576 pixels.

How do I do it?



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Dave LaRonde
Re: Weird aspect ratio problem
on Nov 25, 2009 at 11:54:59 pm

Don't use After Effects to do the conversion to mpeg2. It can't do two-pass or multipass encoding, which greatly improves the quality of an mpeg2 image. Instead, Render a high-quality file from AE, and use a different encoder to do the conversion.

I would double-check those settings on that encoder you used. Someplace in them there has to be place to indicate that this is a PAL-resolution widescreen file.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Ludvig Ström
Re: Weird aspect ratio problem
on Nov 26, 2009 at 8:19:44 am

Do you think I should output square pixels from After Effects? Witch encoder do you recommend?


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Sam Olesen
Re: Weird aspect ratio problem
on Nov 26, 2009 at 10:42:28 pm

Adobe Media Encoder?


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Dave LaRonde
Re: Weird aspect ratio problem
on Nov 27, 2009 at 5:02:46 pm

If you're working with PAL widescreen footage, simply stay in a PAL widescreen comp.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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