Slow motion, Frame Rates and Shooting at the wrong Shutter Angle+Premiere Elements

Report · Feb 20, 2018

A question to the community about shooting in the *wrong* shutter angel.

So if I'm shooting on a DSLR with the intention of exporting my videos in 24p, I'm going to either be shooting in:

24p with a shutter speed of 1/50th

or (with my cameras) 60p with a shutter speed of 1/120 so I can do smooth slow motion in Premiere (done by increasing the length of this clip by 40%).

Some questions about this:

1) What happens to me video quality if I accidentally shoot at 1080 60p BUT at either 1/50 or 1/60 (instead of 1/120)?. So slower shutter angle? The video still looks ok on playback, it doesn't look to blurry. Am I imagining this or will Premiere Elements will be able to handle the 24p output fine on the video?

2) To slow down the 60p footage, I am going to be extending the length of the clip by 40% right? What if I don't extend by 40%, but say, by 20%? Will the slow motion still be smooth and seamless?

3) If I am outputing in 24p to get that cinematic look, is it ok my source video is shot in 60p all the time? OR, should I shoot in 24p all the time except for when I want to get some slow motion?

4) Is there an easy and obvious way in Premiere elements to see what the frame rate is of each clip? Or do I have to right clip and go through a menu each time?

Thanks in advance for your advice.

Ronald

Report · Feb 21, 2018

1) Premiere Elements will blend the frames to match your project settings. If your preview looks blurry, press the Enter key to render your timeline and your preview will improve. You may want to do a couple of test outputs to ensure everything looks as it should though, since a preview is still just a preview.

2) To slow down your footage, use either the Time Stretch or the Time Remapping tool. You don't slow down a clip by extending it in Premiere Elements.

3) You should ideally shoot in 24p if you want 24p output. However, as I said in #1, Premiere Elements will blend the frames to create whatever frame rate you'd like for your output.

4) If you set the Project Assets panel to List View (in Panel Options, in the upper right of the panel) a column in the panel will display the frame rate for each video.

Report · Feb 21, 2018

I hope I'm adding to what Steve wrote.....

Ronald,

You should consider doing some personal testing. Shutter angle and frame rate discussions are both fun and interesting. But, the "cinematic look" is a judgement, not a specification.

A lot depends on what you are shooting and how the end video product is displayed. Is there a lot of motion, or not? Will it be on YouTube, a local TV or put on a disc? Lighting and color grading may have more effect on "cinematic" than frame rate.

You may find the general picture quality better to your eyes if you maintain 60fps all the way through the project.

Good luck with your projects....

Bill

Report · Aug 21, 2019

Hi there, I thought I would reply to this thread, rather than start a new one.

So I have been shooting to 24p for most of my projects as Steve suggested. But tonight I shoot my project in 60p as there was too much ambient light. I still would like to output my file to 24p (blending frames, not to add slo-mo).

However, poking around the project settings and export settings.... I can't seem to figure out the right way to do it. It seems to default to exporting as 60p, there are no presets that I can select to render the video as 24p.

I did go to (in the Export Menu) >computer > custom > advanced settings and choose one of the 1080 24p High Quality settings but it wanted me to make a Custom setting, which I did for 24pm and setting my bitrate. By the way, to keep the video looking sharp and crisp after its been uploaded to, say, Facebook, what bitrate should I be rendering at to keep the quality after Facebook compression (or instagram, or Youtube compression).

Is there a better, correct way to do this? And why is the advanced settings showing us a large list of possible settings but not actually allow us to select and use them in the custom settings?

Thanks

Report · Aug 21, 2019

I'm not sure why you tagged onto this old thread, audio90. But I'd recommend you start a new one so that your question (not really related to this thread) can get the community's full attention.