• Avid Media Composer

  24p animtion files into 1080p/29.97 project

  Posted by Phil Coulloudon on July 5, 2011 at 10:12 pm

  What is the correct method for using true 24 fps animation files in a 1080p/29.97 project?

  Also, If I were to convert to DNxHD for fast import, should I force the frame rate to 29.97 at the encoder level or leave as 24fps and let the avid change upon import.

  I am working with on an animation short that will be mixing 24fps animation files with 1080p/29.97 animation files. I want to work at 1080p/29.97. My final output will be encoded separately for a media server at 30fps.

  And finally, will either of the above methods have an effect on the duration of the files? I am experimenting and see some differences.

  Thanks,
  MC 5.5.1
  Phil

  Phil Coulloudon replied 15 years, 1 month ago 3 Members · 6 Replies
• 6 Replies

• 

  Michael Phillips

  July 5, 2011 at 11:10 pm

  Are you on 5.x or 5.5.x? If so, bring files into project that matches your original file’s frame rate (23.976 or 24.000). When you open that bin in a 29.97 project, it will be covered with pulldown to be 29.97 at the same original duration (one minute stays one minute). A 23.976 source will have a true 2:3 pulldown applied, whereas a 24.000 will have 2:3 pulldown for most of the time, except a frame adjustment every 1000/1001 to compensate for the 24.00 -> 29.97.

  Michael

  Michael Phillips
• 

  Phil Coulloudon

  July 6, 2011 at 12:01 am

  Hi Michael,
  I am on 5.5.1 and will try your workflow.
  Thanks,
  Phil
• 

  Job Ter burg

  July 6, 2011 at 11:37 am

  Michael, the OP was talking about a 29p project, so that would not be any form of 3:2 pulldown, would it?
• 

  Michael Phillips

  July 6, 2011 at 11:58 am

  Sorry – shorthand for frame insertion. Let’s call it a “less than ideal 2:3 pulldown”…

  Michael

  Michael Phillips
• 

  Job Ter burg

  July 6, 2011 at 4:32 pm

  Won’t it just do a blended interpolated motion effect from progressive to progressive? I’d think blended frames would show up, right?
• 

  Phil Coulloudon

  July 7, 2011 at 7:30 pm

  Just had chance to report my test findings.

  1-Michaels’s suggestion of importing into 1080p/24 project then open bin into 1080p/29.97 project and Avid creates blended frames.

  2-Import straight into 1080p/29.97 project and Avid adds 3:2

  Both situations keep duration the same once in the Avid but appear to be 3 frames short compared to the original file when viewed in MPEG Streamclip. (Avid-3:17:07 vs Streamclip-3:17:10)

  I think I prefer the 3:2 look over the blended frames. Especially if we have to export frame grabs for any reason.

  Am I missing anything here?

  Phil

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