Different frame rates in one given project

Olivier-DAMIANO wrote on 10/30/2023, 4:53 PM

Hi,

I have clips at 25 fps (Canon EOS70, FullHD) and others at 30 fps (Sony action cam, 4K), in the same project.

Whatever output rate/parameters I choose, the render is wobbly, not fluid at all and almost impossible to watch.

Some web solutions exist (Veed.io for example) but do not support large files and are costy.

Are you aware of any integrated solution in Movie Studio Platinum v17 ? Do I need to move to studio pro ?

Thank!

Comments

DMT3 wrote on 10/30/2023, 6:29 PM

Decide which frame rate output you want and convert one of the files to that format first using a lossless codec such as Pro Res. Mixing framerates in the same project will only cause trouble.

EricLNZ wrote on 10/30/2023, 6:51 PM

Unfortunately Pro Res isn't available in VMS. An alternative is uncompressed avi but the files are huge.

Former user wrote on 10/30/2023, 9:22 PM

Hi,

I have clips at 25 fps (Canon EOS70, FullHD) and others at 30 fps (Sony action cam, 4K), in the same project.

Whatever output rate/parameters I choose, the render is wobbly, not fluid at all and almost impossible to watch.

Are you aware of any integrated solution in Movie Studio Platinum v17 ? Do I need to move to studio pro ?

Try optical flow if MSPV17 has that. It can smooth things out if you go from 25 to 30fps or 30 to 25fps. Problem is Vegas's optical flow is rarely perfect. In this example look at left and right edges, Vegas has problems. No optical flow will work in all situations and should only be used on a scene by scene basis. Some optical flows have the ability to detect scene changes but not sure how reliable that is.

Here's an example of 24fps on 30fps timeline

1. 24fps on 30fps timeline (default)

2. 24fps on 30fps timeline optical flow (VP21)

3. 24fps on 30fps timeline optical flow (Resolve)

Maybe there's a better approach to mixed timeline for 25/30 fps

Edit: not completely smooth actually.

 

EricLNZ wrote on 10/30/2023, 10:57 PM

Try optical flow if MSPV17 has that.

It doesn't unless it's somewhere and I've never found it.

@Former user Of your examples no.2 looks best to me. So the answer for @Olivier-DAMIANOis probably to move up to VP21 Edit and try a 30fps project with Opical Flow resampling for the 25fps clips.

 

3POINT wrote on 10/30/2023, 11:54 PM

Hi,

I have clips at 25 fps (Canon EOS70, FullHD) and others at 30 fps (Sony action cam, 4K), in the same project.

Whatever output rate/parameters I choose, the render is wobbly, not fluid at all and almost impossible to watch.

Some web solutions exist (Veed.io for example) but do not support large files and are costy.

Are you aware of any integrated solution in Movie Studio Platinum v17 ? Do I need to move to studio pro ?

Thank!

VMS has only blending resampling, no optical flow as in Vpro, which is far from perfect.

If a speed change is not a problem, you could also import the 30fps action cam footage with 25 fps, the project framerate. Actually this will just slow down the 30 fps footage to 25fps, so no framerate conversion, The result is always fluid.

EricLNZ wrote on 10/31/2023, 5:28 AM

You could always go the other way and import the 25fps footage at a project framerate of 30 fps . This would just speed up the 25 fps footage. But it might make the 25fps material more jerky.

3POINT wrote on 10/31/2023, 6:10 AM

Personnaly, I normally prefer slowing down above speeding up. Exception, my 30fps Drone footage I speed up to 50fps to combine it with my other 4k50 footage.

Former user wrote on 10/31/2023, 9:00 AM
 

@Former user Of your examples no.2 looks best to me. So the answer for @Olivier-DAMIANOis probably to move up to VP21 Edit and try a 30fps project with Opical Flow resampling for the 25fps clips.

@EricLNZ The Resolve optical flow used is the AI one, it's good at differentiating objects so as not to fuse them together when generating frames but not necessarily the best overall only better in complex scenes and quite possibly pointless in this example with a model instead of of real life objects that better match the LLM's.

Chief24 wrote on 10/31/2023, 9:06 AM

Not sure if OP wants to try Resolve, so.

Since the OP is using VMS 17, and transcoding to ProRes is a No-Go, the best I found to use for transcoding that worked awesome, especially for different GoPro Cameras and/or their frame rates, is Grass Valley, in an .AVI container. It was also a Heck of a lot smoother than the old GoPro Cineform (via GoPro Studio/Quik).

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Olivier-DAMIANO wrote on 10/31/2023, 3:35 PM

Thanks guys for all your contributions !

I tried speeding up / slowing down clips and it works pretty well. Also tried VEED.IO which proposes some online processing, not so bad but not perfect.

I guess that I will have to change may camera so I can capture 30 fps on both devices !

And meanwhile, give a try to grass valley...