Extracting 24p from 60i. Inverse telecine for newbies at DVinfo.net

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Canon VIXIA Series AVCHD and HDV Camcorders
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Old April 21st, 2007, 03:24 AM   #1
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Extracting 24p from 60i. Inverse telecine for newbies

I just got the HV20 and I was trying to figure out the simplest - and possible free - way to extract 24p from 60i on PC.

Does anybody have suggestions?

I tried to play with HDVSplit / MPEG Streamclip /AviSynth / Decomb Filter/ VirtualDubMod but no luck so far.
Luke Muller is offline   Reply With Quote
Old April 21st, 2007, 04:43 AM   #2
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There have been posts on the board on how to use VirtualDubmod. Cineform HDLink is a non-free tool that will do it. It can also be done in AE.
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Old April 21st, 2007, 05:24 AM   #3
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Thanks Guy.

I found this workflow in another forum. It seems working but very slow:

1) Capture .m2t file.
2) use freeware app, HDTV2MPEG2 to convert to .mpg (seems lossless)
3) use VirtualDubMod (freeware) to remove pulldown from .mpg file under VIDEO, Frame Rate, choose Inverse Telecine Reconstruct from fields Adaptive.
4) Render from VirtualDubMod an .avi in a codec of your choice for your fave Windows NLE editor.
5) You now have 23.976 pure progressive.
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Old April 21st, 2007, 10:39 AM   #4
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Luke - I'm a Vegas user too (have been waiting to upgrade from 5 to 7). Have you tried just editing the files as 60i? I'm wondering what they'd look like. Are you outputting to SD DVD and keeping HD files?
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Old April 21st, 2007, 11:01 AM   #5
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I know I can edit 60i, but I'd like to get the real 24p out of it.

I would like to use AviSynth, it seems quite powerful. I created a simple text file named "my_video.avs" like this:

Code:
DirectShowSource("my_video.mpg")
Telecide(order=1, guide=1)
Decimate(5)
Then I dropped it into VirtualDubMod and it works. If I go frame by frame I can see that the pulldown is properly removed.

But if I try "Save as AVI..." it crash.
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