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1

I figured out the problem. My shutter speed was set too low. Turns out it needs to be double the frame rate in order to achieve a smooth motion when interpreted to 24 fps. Should have thought of that before I shot. Oh well. Lesson learned.


1

Since this has worked with Canon footage in the past, my best suggestion would be to import your a7s footage into a 59.94 fps sequence in Premiere, export that sequence (in 59.94) in a universal format like H.264, then re-import that clip to Premiere and try slowing it down to 23.976. My guess is that Premiere isn't playing nice with whatever codec/format ...


1

I've played around with turning a bunch of still photos into a h.264 slideshow, mostly to compare the compression efficiency of JPG vs. h.264. I got some useful replies about the technical implications of this from x264 devs on doom9. e.g. force x264 to not use B frames for this, because not-very-related images will need a lot of I macroblocks, and coding ...


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You can have a look at slowmovideo: http://slowmovideo.granjow.net/


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I am not an engineer, but I think you've answered your own question. This is a bit of an oversimplification, but if t is the time it takes to record, process and store a pixel from a frame consisting of p pixels, then 1/(t * p) is your maximum frame rate. So if you increase the framerate above the maximum you need to decrease either t or p. And since t is ...



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