How to Export a Video Containing Different Frame Rates?

Forum|Forum|3 years ago
September 15, 2022
2 replies
5370 views

Hi! I'm an animator, and there are times when I use different frame rates for certain projects. I want to edit my demo reel to feature different frame rates, but I can't figure out how to export a video while maintaining those different frame rates. Are there any solutions to this?

Thanks!

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Correct answer Steve Griffiths

While Premiere Pro (and other editing apps) can handle various frame rate footage within a program the output frame rate of the exported file will always be at the frame rate set for the sequence/timeline. There's no way to have an output video file dynamically change frame rates to suit particular clips within a sequence.

I can see how in your particular case this might be a nice option but I imagine it would be very difficult to implement and would require not just the editing app to be able to produce this type of program but also for all the video player apps to be able to play them back and dynamically adjust framerates.

A

anigt

Participant

you can use the effect called posterize time and change the frame rate of applied clips to whatever frame rate you want. and finally export in sequence frame rate, the set frame rate will hold.

Kevin-Monahan

Community Manager

Hi Abigail,

Premiere Pro handles these kinds of projects well. What happens with mixed frame rates in a 24P sequence? It should be OK. Any visual artifacts? Does your audio sound OK? If either of these happens, you may need to modify the footage.

Thanks,
Kevin

Kevin Monahan - Sr. Community and Engagement Strategist – Adobe Pro Video and Audio

neil wilkes

Legend

There will always be visual artifacts when changing frame rates in Premiere - there are 3 options: Frame Blending, Frame Sampling & Optical Flow and none of these delivers clean footage at all. You will either get what some people refer to as 'Judder', or an odd skipping effect that looks like dropped frames, or weird blurring where any rapid footage (for example - a concert piece where it's one of these modern bands that dance around all over the place whilst onstage can give the illusion that the people onstage have 4 legs).

Interpreting the footage doesn't work either as it alters the run time, ruining any audio that comes with it - although if the audio is going to be replaced & does not need to sync up to the video interpreting the footage is probably the safest option.

The best fix of all is to not try & mix frame rates, but to do any conversions before you start to import the assets in the first place.

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