We have some odd render issues on a couple of clips within a 2 hour timeline sequence on Media composer 8.9.1.

When we render the entire sequence to avid DnxHD 120i these clips exhibit parts of the picture moved sideways on one field, this over a second or so.

However when you render just the affected section the error is not there, indeed if I render the timeline in 4 half hour chunks again the problem does not show, but once again output the entire 2 hours and the problem shows up. It's not in random places but always the same point, but as I say never when you render shorter chunks.

Any suggestions ?

Media Composer 8.9.1

Windows 10 Professional

Z420

What is the ultimate goal? 

Are you doing a mixdown or just renders?

Jef

Wanting to output the finished programme as a Mixed down file in avid dnxHD to hand on to someone else.

Never had this issue in the past so it could be something to do with those bits of media, or the place where they are stored or an issue with this particular version of media composer.

Just backing up all our projects etc and then will upgrade to latest version and see if problem persisits.

I have also consolidated the timeline to a new drive and will try to produce an output file from that again to see if the issue remains.