Stuttering in the edited video

[djavh]

Hello, some time ago I posted in these forums with similar problem. Some people responded and their answers was helpful in understanding the problem, but I am afraid, that in practice, the same problematic thing happens. Here is the link to my old post: https://forum.videohelp.com/threads/358267-Stuttering-after-editing-the-video

Basically it says, that I animate things and when I export animated scene at 12 frames per second, everything looks smooth, but after editing it, and exporting the final movie at 24fps, there are some stuttering at exactly same time intervals.

So, now I changed the way I export my animated files and changed my editing software to Adobe Premiere Pro, but I have very little experience with it. I am still animating at 12 fps, but now I export the scene as an image sequence. Then I import it in Adobe Premiere Pro and it treats the image sequence as one video file with 12 fps. I choose the sequence settings in Adobe premiere as 1080i, 24fps (for some reason, edited and exported video shows, that it is at 23 fps). I do all the edits and in the preview window the video looks smooth as silk, but as soon as I export the video, the stuttering is there. Also now, at the exact same frame that stutters, you can see the flickering of light – the little part of a frame seems a little brighter (but you have to watch really close to see that). It is driving me nuts BIG time. I chose a lot of different sequence settings, a lot of different export settings, but it all comes to the same end result. My movie stutters.

So, keeping in mind, that I am animating at 12 fps, what kind of sequence settings and export settings would you propose to choose in Adobe Premiere Pro to avoid the stuttering and get the high quality video? What about the software's proposition to set the sequence settings the same as the imported footage (I do not want my final film to be in only 12 fps ). Maybe you have some suggestions? Thank you in advance .

[poisondeathray]

You should have continued on in the same thread

You choose a custom sequence setting of 1920x1080, 12.0 FPS. Make all 3 are set the same: 1) file interpretation settings 2) sequence settings 3) export settings

If you really don't want 12.0 FPS, you would choose 24.0 FPS , not 23.976 FPS . That will give you exact duplicates. Again make sure all 3 are matching. But if your animation sequence is the only element, I would still do it on a 12.0 FPS sequence setting. If you export 24.0 FPS it will duplicate the frames for you

Make sure frame blending is disabled or else you will get blended frames for the "inbetween" frames

[budwzr]

... but now I export the scene as an image sequence. Then I import it in Adobe Premiere Pro and it treats the image sequence as one video file with 12 fps..

Yeah, that's the way to do it. Then you have a full frame master in a universal format.

Keep in mind that 12fps is below the normal 15fps of animation, so that's where your judder comes in. The eye can see between frames.

[Cornucopia]

Depends. 12fps is common for cell animations. 15fps would be more appropriate when the result was meant strictly for NTSC-style video.

Scott

[budwzr]

OK, well the judder normally comes from too low a capture rate, or too low a playback rate, or playback rate not an even multiple of the capture rate.. If the capture is the problem, then you're hosed.

That's why NLE's like Sony Vegas default to blending and you have to turn it off manually. The average user doesn't understand how to smooth it out, until they get more advanced editing knowledge.

If you're going to work in different timings, you should capture at at least 60p to give yourself some room to work. 120fps and up would be better. Of course, then data storage becomes an issue, especially using PNG Stills.

I think 12fps has judder by default. Certainly it's not smooth.

[djavh]

Well, 12 fps is actually quite common rate in amateur animation (as it can be seen reading some information from youtube animators and animation blogs/forums). And the animations you get by exporting video from animation software is actually smooth, without any signs of stuttering. The stuttering comes after editing it. I had some scenes animated in 24fps and the problem still remains after editing (if you are choosing sequence settings, provided by the editing software (it is at 23.976 fps...)). After choosing custom settings and setting fps to 24, everything is ok with 24 fps animations as well as with 12fps ones. So, the problem was there, as poisondeathray mentioned earlier. Thank you for your help.

[smrpix]

Long tradition here. Even Disney and Fleisher frequently shot twos back in the day (two frames per drawing @24fps.) Then of course the projector blades flashed at 48x ps.

[budwzr]

... After choosing custom settings and setting fps to 24, everything is ok with 24 fps animations as well as with 12fps ones.

Oh, I was assuming too much.