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alistairc23206244
alistairc23206244
Known Participant
December 30, 2016
Question

60fps video mixed with 24fps video - help!

  • December 30, 2016
  • 1 reply
  • 36460 views

Hi all,

I know that this has been asked possibly many times before, but I simply cannot find a solution to this. I'm getting jerky-looking (or incorrectly playing) 60fps video on my project timeline...

I have a timeline with a mixture of 24fps clips and 60fps clips. Now, the 60fps clips are definitely recognised as being 60fps by Premiere (so it tells me in the clip properties) but when I go to "sequence" and click on "sequence settings" it's telling me the timebase is 24fps.

As a test I created a new project and just pulled in one of my 60fps files and I checked the "sequence settings" and it said the timebase was 60fps. It played perfectly and smoothly.

So something is not right in my project and I don't know what it is...the 60fps video are a bit jerky on the timeline so I don't know what is going on.

There must be a way to seemlessly use both 60fps and other frame rates in one project, but obviously I am doing something wrong.

Thank you in advance.

Al.

This topic has been closed for replies.

1 reply

E
excited_Genie16B8
Legend
December 30, 2016

There must be a way to seemlessly use both 60fps and other frame rates in one project

There is.  The 24 fps material will play back in real time, the 60 fps material needs to be Modified to play back at 24 fps so it's in slow motion.

Right click the 60 fps clips in the bin and select Modify>Interpret Footage... and set the frame rate to match the other footage.

    alistairc23206244
    alistairc23206244Author
    Known Participant
    December 30, 2016

    Hi Jim,

    Thank you for your reply.

    The 60fps footage is already in slow motion. It's as it should be. The video file is literally ready to go without any modification needed to make it look "right".

    I assumed, perhaps incorrectly, that Premiere would read its frame rate and simply adopt whatever settings it had.

    As I said above, if I create a new project and drag on a 60fps video on to the timeline, it plays as it should. But within my project, which has a mix of 60fps video and 25fps video it is causing the 60fps footage to look ever-so-slightly jerky (I can only compare the way it plays the 60fps footage as if the computer is processing a task and it's slowing down the video, but this is not the case).

    There is something that I've missed somewhere....a setting or an option. Either that or Adobe Premiere Pro is actually quite useless and can't handle different frame rates on the same timeline (which I'm beginning to think is the case!!!)

    alistairc23206244
    alistairc23206244Author
    Known Participant
    December 30, 2016

    In your first post, you said you were working on a 24 fps sequence, in your last post you said 25 fps. Which is it?

    Please post a screen shot of your sequence settings.

    alistairc23206244 wrote:

    The 60fps footage is already in slow motion. It's as it should be.

    I am not clear what this means. Did you shoot at a higher frame rate,  that the camera then outputs as a 60fps slow motion clip? What camera shot this footage?

    If you are dropping a 60 fps clip into a 24 fps timeline, Premiere either needs to slow the 60 fps source clip down to 24 fps (slow the motion of the clip) which will play back all of the original 60 fps frames - OR drop (not display) frames so that only 24 of the 60 original frames are shown per second. If you choose the latter, the missing frames may make the clip appear less smooth when compared to the same clip displaying all 60 fps.

    MtD


    The frame rate is actually 25fps. (apologies, I was only using 24fps as a standard example initially)

    So, to give this project a proper explanation...

    I am mixing timelapse footage created from LRTimelapse with video footage edited in DaVinci Resolve (more on that below)

    The final videos from LRTimelapse are MP4 files at 25fps. All I need do is drop them in to my project and sort out transitions, etc (they do not need any frame rate tweaking).

    The other lot of clips (the 60fps clips) were edited in DaVinci Resolve, and they are .MOV files. They too are "ready to go" and do not need any frame rate tweaking). They look slow-mo and need to stay that way.

    So because these clips are done, all I want to do is put them on a timeline and transition them with dissolves and text.

    DaVinci Resolve is technically a colour grading software and produces final video clips for use in any editing software you so desire (in my case, Premiere). The same with LRTimelapse: It's timelapse software that outputs a final video file for you to use wherever you so wish).

    So my intention with Premiere Pro is to combine both sets of videos in my Premiere timeline to produce my little project.

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