Adobe Media Encoder adding black bars to side of my footage


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Adobe Media Encoder adding black bars to side of my footage
by David Heidelberger on Sep 2, 2009 at 8:51:18 am

Hello,

Hopefully this is the right forum for this. I'm trying to export a ProRes 720p Quicktime movie to a widescreen M2V for DVD authoring. The Quicktime is exactly 1280x720, square pixels. When I bring it into AME, set it to an Mpeg-2 preset, and set the pixel aspect ratio to Widescreen, 16:9, AME adds black bars to the sides of my footage. Even weirder, in the source preview tab, if I enable cropping, it seems like the bottom edge of the crop marquee is off the bottom edge of my footage. I wound up cropping 8 pixels from the top and 8 from the bottom and that seemed to get rid of the black bars on the sides, but what on earth is causing this? Why doesn't it stretch my video the full length of the 720 pixels? Also worth noting I tried with an Animation codec file and got the same result.

Thanks,
- David

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Re: Adobe Media Encoder adding black bars to side of my footage
by Jeff Bellune on Sep 2, 2009 at 10:52:05 am

Are the black bars thin? If so, then you are experiencing Adobe's correction to non-square pixel aspect ratios that they implemented in CS4.

The PAR change is based on the BBC standard, and it is implemented across the entire suite of video applications.

-Jeff

The Focal Easy Guide to Adobe Encore DVD 2.0

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