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XDCAM HD 422 1080p25 on FCP - causing fragments on export

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Jan Hass
XDCAM HD 422 1080p25 on FCP - causing fragments on export
on Sep 29, 2011 at 4:45:58 pm

I hope this is the appropriate place for the following question, as it is not EX related.

Has anyone encountered the following problem when working with the native XDCAM HD 422 50Mbit/s Codec in Final Cut Pro 7:

When the Film is exported - no matter to what - QT file or back to the XDCAM Disk on the Native path, it causes fragmentation at the bottom of the frame that looks similar to the Timecode-stripes we used to see at the top of the frame when recording from say Beta SP to DVD. However in this case they do not span the width of the frame and only appear for single frames during the playback.

The error does not occur within Final Cut Pro. It only appears after the export.

This phenomenon seems to be a result of the extreme speed the D.P. works with and the speed that the films are edited at. Also the error seems to coincide with peaks in the music that is used in the Film itself.
Could these factors actually matter in fully digital workflow??

In case someone is experiencing the same issues, the fix is relatively easy:
Switch the sequence settings to the Pro Res Codec of your liking and you're good to go.

Still, does anyone have an explanation or a similar problem? I didn't find anything on the Web so far.
Best & and thanks for your feedback!

Think Plastic GmbH

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