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Activity Forums AJA Video Systems Film frame rate question??

  • Film frame rate question??

    Posted by Mike on August 1, 2006 at 4:42 pm

    I’ve been given footage that originated on 35 mm and was then transferred to digibeta. The footage was shot over-cranked at 60 FPS, however, the telecined footage appears to be playing back at “normal speed” from the digi – almost as if it was transferred at straight 24 fps. When I capture through the Kona into Final Cut I can see that 3:2 pulldown has been added and there is definitely not an overcranked quality to it. It’s been a little while since I’ve had overcranked footage telecined, but I thought in the past that for 60 FPS film footage I was given digibetas that appeared to playback at half speed at 29.97 and then I just used to speed them up 2X in Final Cut if I needed to bring them back to the speed that the action was originally recorded. I could be completely rememberring incorrectly though. Is it possible that the telecine operator did not transfer the film at the frame rate that it was shot and mistakenly transferred at straight 24? I was on set for the shoot so I know that the footage was shot correctly by the DP at 60 FPS. Any info is greatly appreciated. Thanks.

    – Mike

    Dual 2.7 G5, Kona 2, FCP 5.0.4, QT 7.1, 5.6 TB Apple XRaid

    Mike replied 19 years, 9 months ago 2 Members · 2 Replies
  • 2 Replies
  • Tom Tomlinson

    August 1, 2006 at 7:00 pm

    Chances are , it was xferr-ed at 24 or 30 fps. So it would lock to the tc generator. This also makes it easier to find your scenes later on. Speed effects are better off done after telecine. FYI-Spirit One goes up to 57 fps while newer Spirit 2K only goes up to 30 fps.
    Tom
    Telecine Ass’t.
    NYC

  • Mike

    August 1, 2006 at 9:52 pm

    Thanks for the info. I was never planning on the speed effects being done during the telecine, but I was hoping that when the 60 FPS was telecined it would playback at half speed at 29.97. I want to have enough infomtation there to do a smooth speed ramp from 60 FPS to 30 FPS and the footage I revieved looked like a stright transfer to 24 with pulldown. So any slomo I do would be interpolating and I was trying to avoid that.

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