KDVD: Movement in Scenes Jerky?

khusru · #1 03-07-2004, 06:47 PM

iv done a couple of kdvs ( xvid source) now, 2 hours of video on standard 4.7 gb dvd, used a cq of 90, the quality has been excellent, thanks for the help, theres been a slight thing thats been botherin me , when the video is moving e.g when the camera moves around , its been a little jerky, nothing too bad, but its noticeable (not like a normal dvd where its smooth movement)

is this because my source is xvid?
or can it be something i can tweak in the script or the encoding
or that im using kdvd instead of dvd

incredible · #2 03-07-2004, 06:51 PM

a) Is that issue also in the Xvid?

b) what my Bitrate is used in CCE to encode the mpeg2 Stream

c) I assume you do PAL encdings at 25fps? or NTSC 23.976 using Pulldown afterwards? (Cant remember your country now)

khusru · #3 03-07-2004, 11:28 PM

Quote:

a) Is that issue also in the Xvid?

b) what my Bitrate is used in CCE to encode the mpeg2 Stream

c) I assume you do PAL encdings at 25fps? or NTSC 23.976 using Pulldown afterwards? (Cant remember your country now)

theyv all been xvids, iv been using tmpg to encode, cq of around 90 on all of them, average bitrate of around 3500, pal 25fps,

just not sure if its the xvid source thats causin this problem?

incredible · #4 03-08-2004, 04:05 AM

So do loo if these jerkies also do appear in the orig Xvid.

What FPS do have the Xvdis? 23.976?
Maybe you encoded them directly to PAL which causes jerky movements, but that you would also recognise during the whole movie.

khusru · #5 03-08-2004, 07:07 AM

thats a good point u know, the xvids were NTSC 23.976 fps and i converted to pal 25 fps, thats probably the problem right there,

would u say i should stick to the the standard the video is in from now on instead of trying to convert

Dialhot · #6 03-08-2004, 07:14 AM

That's better to never do any convertion. But if you have to, you can do. All is matter of how you did that.

Which meandid you use to convert from 23.976 to 25 ?

khusru · #7 03-08-2004, 11:29 AM

i just used tmpg to do the conversion,

the xvid was ntsc 23.976 fps and
i used the KDVD template PAL 25fps

thats how iv been doing my ntsc-pal conversions, is that the wrong way to do it? from now on il stick to the format its in, i can view ntsc fine on my big tv ( altough pal is the standard in my country u.k)
but i covert to pal incase someone in the family wants to watch it somewhere else in the house

incredible · #8 03-08-2004, 11:38 AM

Install Aviynth 2.5x latest Build (www.avisynth.org)

Code:

Avisource("C:\Pathto\YourAviHere.avi")
#
# Your Resizers and Filters here 
# or better: Dialhot's optimal Script contents here
# be sure not to use the ".. ,false" Command in Avisource("....
# as this switches audio off!
#
# And at the end:
AssumeFPS(25.000,true) # speedup the video to 25fps by keeping audio in sync
SSRC(48000) # in sync keeped audio transformed to KDVD samplerate

Do open that in Vdub and safe audio as wav. and convert that wav using the known way into mp2 or ac3.

SSRC(48000) when doing KDVD and SSRC(44100) when doing KVCD!

Then do import that avisynth script generated and safed as xxxx.avs using the WindowsEditor into CCE or TmpgEnc.

khusru · #9 03-08-2004, 12:17 PM

iv been using avisynth, on all my conversion lately, got dialhots optimal script, just add that part to the end then,

thanks again guys your help is much appreciated