Using GH1 1080 24p project in a 60i project

[nathankw]

Hi,

I've been using my GH13 as a documentary B camera for broadcast and it's great. Mainly I work in PAL land. By now I'm working on a US project so we're delivering 60i so I'm having to learn all about this pulldown stuff.

Logically, I thought the GH1 footage should work well, since it's already been packaged as 60i. Sure enough, the FCP happily accepts the footage in a 60i timeline showing its framerate as 29.97

However, looking closely at it, the motion isn't quite right. Instead of doing 3:2 pulldown by repeating fields, it repeats every 5th frame. This makes motion look much more juddery than it should do.

I've read lots of posts about how to do reverse telecine to remove the pulldown and get a native 24p file - but presumably that would be pointless for me since I'd have to add pulldown back in to get a 60i file.

So is this the fault of FCP and the way it handles footage with pulldown?
Or is it something to do with the way the camera packages the 24p?

Any help much appreciated.

 

[rigs]

Should you not be delivering a 59.94 final. doesn't 29.97p fit into that without pulldown.

 

[nathankw]

Should you not be delivering a 59.94 final. doesn't 29.97p fit into that without pulldown.

Yes, the final delivery is 60i (ie 59.94 fields per second, 29.97 frames per second.)

The GH1 footage is seen by FCP as 29.97 fps and therefore appears to work perfectly. Except when you watch it back it stutters - because every 4th frame is repeated. It's that stuttering I'm trying to solve.