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Frames with half black screen when exporting with XDCAM HD422 1080i50

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Maria Maria
Frames with half black screen when exporting with XDCAM HD422 1080i50
on Feb 25, 2016 at 9:40:19 am

We use Final Cut Pro 7. A client asked us to export their movie in XDCAM HD422 1080i50, preferrably 50mb/s, constant bitrate. So we export from our material (DVC Pro HD 1080i50, 1440x1080), as a self-contained Quicktime movie and then choose on video XDCAm as requested.

But one certain movie is exported with some "half-screen-black frames" (random frames, as none of them have any particular filter whatsoever). Sometimes is half the screen, sometimes almost the whole frame.

This, however, doesn't happen when we export with XDCAM HD422 1080i50, 35Mb/s at a variable bitrate.

It's no big deal, because our client will accept the VBR export too, but we don't have this problems with other exports from other projects filmed with the same camera and same settings.

But I'd like to know why this is happening, if someone has a clue.

Many thanks in advance!


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Maria Maria
Re: Frames with half black screen when exporting with XDCAM HD422 1080i50
on Feb 25, 2016 at 9:59:35 am

Here a link to how the frame looks: 9821_screenshot.png.zip


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Dave LaRonde
Re: Frames with half black screen when exporting with XDCAM HD422 1080i50
on Feb 25, 2016 at 4:54:28 pm

Have you tried exporting in ProRes 422, then using Compressor to transcode to the target codec?

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Maria Maria
Re: Frames with half black screen when exporting with XDCAM HD422 1080i50
on Feb 26, 2016 at 8:14:28 am

I guess this would be better and could work, but we were trying to save time and space. Thanks for your tip, will give it a go!


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