NTSC Pattern: how do I decimate?

[grumpygamer]

Hello I am trying my best to port some japanese dvds to PAL.
I have been lurking a lot and haven't completely understood all of how it works, but i know now that i have to cut some frames instead of others it it's a TRUE NTSC.
First of all here's my script:

LoadPlugin("C:\Program Files\AviSynth 2.5\plugins\NNEDI.dll")
LoadPlugin("C:\Program Files\AviSynth 2.5\plugins\awarpsharp.dll")
LoadPlugin("C:\Program Files\AviSynth 2.5\plugins\dfttest.dll")

Import("C:\Program Files\AviSynth 2.5\plugins\LimitedSharpenFaster.avsi")
source = "D:\DOKUBUN\VIDEO_TS\dokubun.d2v"
DGDecode_mpeg2source(source)
AssumeTFF() #.SeparateFields()
Nnedi()
#crop( 16, 8, -8, -16)
#TemporalSoften(4,4,2,15,2)
#dfttest(sigma=1)
#LimitedSharpenFaster(SMode=2,Strength=100)
#awarpsharp(8.0)
#Tweak(sat=1.2,bright=10,cont=1.1)
#LanczosResize(640,480)

Now don't bother with the commented out part, I am just trying to figure out if it is a true ntsc or not...
Looking at the file frame by frame via VDub, i spotted this frame pattern which is not constant

part 1: 112223344455666
part 2: 123456....
part 3: 112222333344445
part 4: 122345667891123

I can't really understand if it is or not a true NTSC or not but i assume it is.
So which frames should I cut? (* puts his hands in his hair *)
Do I do this via Decimate?
Thanks, I appreciate the help
-G


Hm, I just found out that by forcing DgIndex into film mode it comes out perfect! Not sure about audio sync though...
pattern now is 112211221122 more or less...

[Guest]

We need an unprocessed source sample to properly advise you.

If Force Film eliminates all the combing and gives you prgressive frames at 23.976, then you now have the task of converting to PAL. If you are making a PAL DVD or MPG file, then DGPulldown is one good option.