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Frame rate for internet usage
We have recently purchased the Sony EX1 and have a Canon 5D with the new firmware upgrade for manual video exposure controls. We used the two cameras on a recent shoot and by mistake shot the standard 30fps on the Canon 5D and 25fps on the EX1. As I am based in the UK, we are used to shooting 25fps.
Pretty much all of our videos end up on the internet. Does the frame rate really matter when the video is shown on the web? Because a solution to the problem is to shoot 30p on the EX1 which will match the 5D and then I won’t have to change the frame rate of the 5D footage which has resulted in what appears to be an overlapping of frames on fast moving objects, where the edge is no longer hard but has a semi transparent version of the next frame on top.
Does anyone have any suggestions for our two camera set up, or any idea how I can change the frame rate of the 5D footage to 25fps with no loss of quality of edge sharpness. I used compressor to do the conversion.
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3 Replies
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[Phil Beastall] “. Does the frame rate really matter when the video is shown on the web?”
It doesn’t matter. What it matter is that you have to edit with only one time-base.
Or you convert the 30pfs to 25 or vice.
i really don’t know which way would be better.
I think that the NTSC people that have the habit of working with 30 and 24, prefers to go form 24 to 30 than to 30 from 24.
Even shooting with the EX-1 at 30 fps you had two different time-bases. The Canon shoots really 30 fps while the EX-1 shoots 29,97 (or 29;98, or..I get lost).
If you would go to video anyway you would need to transcode and conform the Canon footage.
Going to the Web 30fps is not an issue.
rafael -
Thanks for your response.
Despite still having to transcode the 5D footage to match the EX1 when I shoot at 29.97fps, can I assume that as the frame rates are so close, there won’t be as much effect on the footage as there has been reducing it to 25fps? Making this option much better?
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[Phil Beastall] “Despite still having to transcode the 5D footage to match the EX1 when I shoot at 29.97fps, can I assume that as the frame rates are so close, there won’t be as much effect on the footage as there has been reducing it to 25fps”
Phil,
If you want to make your Canon footage 29,97 to match the EX-1, transcode it with MPGStreamclip to 30fps. Then in CinemaTool conform it to 29,97. Is just a click. No rendering needed. No degradation.
You can not conform directly the Canon footage because is MP4. You need to do it with an Intrafrae codec .
So the best workflow is to convert your Canon footage to Proress or so, keeping time-base, size, pixels aspect etc.
Then the conforming.
rafael
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