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NTSC Frame Rate

FatherMerrin

FatherMerrin

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Hi,

I'm making my first edit with NTSC DVDs & I'm a little unsure about there framerate.

I've got some Canadian R1 Star Wars DVDs & was wondering do I encode them at 29.97 frames per second or 24.0 frames per second?

Thanks,
FM
 
Here is what I do:
I encode as 25fps with a size of 720x480, then use dgpulldown to create 29.97fps NTSC from that. Works really good.

Most programs who really change the framerate, will produce stuttering.
 
The stuttering is what I'm concerned about. I got away with it for my Exorcist III edit because it was a mixture of PAL & NTSC but this is different.

The program I use to convert the VOB file is FlasKMPEG & it basically gives me a selection of fps. Is the normal procedure to do what you said, encode as 25fps then dgpulldown to create a 29.97fps file. Or would it be best just to select 29.97fps in FlasKMPEG & convert it the once?
 
you can try out flask, but IMO this will not work well. Flask is a rather old freeware program and it has for sure no high quality encoder.
 
When I first started (DVD) fan-editing, I had all kinds of video stuttering problems. Thanks to Boon posting a link for a DVD ripping program called VOB2MPG, it has created perfect rips for me every time. It is a free program that I highly recommend! 8)
 
Thanks Sprug's for the tip, if FlasKMPEG doesn't work out I'll try VOB2MPG.

Thanks for your concern boon but I think the quality will be OK as all my other edits were done with FlasKMPEG. Oddly enough I think FlasKMPEG in a perverse way is probably the best program for editing the prequals as it removes that glossy picture the prequals have & makes them look more like the original trilogy.

I've looked into this a bit further & I've found that "film" is 24.0 frames per second & that "NTSC standard" is 29.97 frames per second. So should I encode the DVDs at 24fps?
 
you always want to stay as close if not exact to the actual frame rate used on your source material.

if you download virtualdubmod (http://www.videohelp.com), it is one of the few free programs that will tell you the true framerate of whatever clip you input (open clip, then go under the video tab, then framerate).

a good chunk of the time you will see it as ntsc film (23.97) frames. This means you would do as Boon suggested. Encode using 23.97 but apply pulldown (23.97 frames but internally 29.97). This tells the dvd player to play yhe film as 23.97, but ouput it as a proper 29.97 for ntsc dvd players)

Not going this route and encoding a straight 23-24.97 frames to 29.97 will produce a stuttering effect since a few frames would have to do duplicated in order to compensate for the different frame rate.
 
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