How to Natively Change Frame Rate

Natively Change Frame Rate

I guess you’ve already worked on projects in which several cameraguys brought you footage at different frame rates (altough you asked them to switch it and then the answer was : Oh Dude, I forgot it, you know. No, I don’t actually but it already happened”So, it’s your turn to get it fixed somehow and natively change frame rate.

Or you might have simply worked on projects that used a lot archive footage at different fps.

You can put ie. a 24fps clip onto a 30fps timeline with no problem and your editing software will render it out.But it’s not the right way to do it altough it’s possible.

Why is this not the right way?

Because your timeline is 30fps and your video clip is 24fps.Your software won’t make the 24 to 30 instead it will render it as 30 without any native speed changes which means it has to add or freeze 6 frames in every second.It’s doable and watchable but way not perfect.

How to Natively Change Frame Rate in a proper way?

Interpret / Conform your footage.You can do it in any professional editing software.In Adobe Premiere/After Effects ie. you have to right click on the clip and select interpret then set the frame rate you want.Final Cut Studio 7 (the old classic video editor of Apple) came with a small software where you could conform your footage using this method.

natively change frame rate interpret footage

natively change frame rate modify video clip

 

What happens?

Your 24fps clip will be 30fps but there is a price to pay.Your clip will playback faster (6 frames/sec 20%).

If you have 60fps clip that you want to make native 30fps then the 30fps clip will play 50% slower (30frames/sec)

As you might see it makes no sense really to make 60fps from 24fps as it will be much faster but you can very well use this way to make 30fps from 24fps etc.

Altough it can be used very effectively for creating native super slowmotion clips.For example you shoot your clip at 120fps then make 24fps using this method will result a native super slow motion effect as your clip will be 80% slower (96 frames/sec).Of course you can do it at even higher fps and the result will be more spectacular.

This is a non destructive way of making these changes so you can do them as many times as you want wihtout being worried of quality loss.Altough I’ve never seen anyone who did it more than twice with the same clips.


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