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Frame rates and regions

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Daniel Hughes
Frame rates and regions
on Apr 11, 2011 at 2:14:41 pm

Hi everyone!

I'm a new member here, though I have followed the helpful advice given on the site for years, and have found it very useful.

I am almost finished shooting my first short motion picture (or short film), and I've used Canon EOS 550d/T2i. As I am in Scotland, a PAL region, was it wise of me to shoot the film in 24p? I had found that most movies/films are shot at 24p but doesn't this pose a problem for PAL broadcasting or DVD producing at 25p/50i?

Through some research, I did discover such a thing as NTSC Region 2, where apparently most Region 2 (IE Europe) PAL DVD players can actually play in NTSC format. This was comforting as the vice versa, PAL DVD on NTSC platforms, does not work; this must mean NTSC rules [most of] the world. Yet, this still begs the question: how are these other 24p films produced on PAL DVD's for PAL countries? Of course, it isn't all about DVDs I guess. I'm quite sure how reliable my research is either.

So I'm a pretty confused amateur.
Was I right to shoot at 24p? Or should have I used 25p?
Does it even matter?

Thanks,

Daniel


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Peter Burger
Re: Frame rates and regions
on Apr 14, 2011 at 9:29:57 am

For PAL DVDs it maybe would have been better to shoot 25p rather than 24p.

There seems to be a way to create a 24p DVD:

http://www.dvinfo.net/forum/techniques-independent-production/60115-24p-dvd...

Or you could create a NTSC DVD by performing a 3:2 pull-down to 29,97 which is a common thing.

Another way is to do a PAL speedup to 25p and pitch the audio down accordingly, which is quite common as well.

There is a rather good article on wikipedia. It covers all the basics. You maybe want to take a look:

http://en.wikipedia.org/wiki/24p

Hope this helps.


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Daniel Hughes
Re: Frame rates and regions
on Apr 14, 2011 at 2:35:15 pm

I was aware of that but I think I've done something wrong, as when I go to burn a clip onto a DVD and select 24p there is this awful interlacing. I don't know if it's because the project and its footage are 23.976fps when the DVD burning seems to be exactly 24.000fps.

I'll try that speedup though, and I'll also try a speedup to 24.000 to see if the burn looks any better.

I'll also try the NTSC pull-down.

Thanks for those useful links!


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Peter Burger
Re: Frame rates and regions
on Apr 14, 2011 at 5:34:12 pm

Actually all 24p DVDs are 23,976 as well, so this shouldn't be an issue. What software are you working with?


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Daniel Hughes
Re: Frame rates and regions
on Apr 14, 2011 at 6:04:54 pm

This is with Sony Vegas, burning straight to DVD?

Here is the project's dimensions and frame rate, and when it's in burning mode:




When I select the 24p option and begin the process, it renders the video with the correct properties to then be burned to the disk, but when it does this the frame rate seems to be exactly 24.000p, and there is this horrific flickery interlacing.

Gah! It's quite frustrating! Although if I can't seem to solve it or find a solution I guess I could just settle with the NTSC 60i thing...


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