Quantcast DVD Player Doesnt Accept 25fps VCD? Convert to NTSC Framerates? - digitalFAQ.com Forums [Archives]
  #1  
09-05-2004, 09:38 AM
esoitl esoitl is offline
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i have a small qeustion about framerates
my DVD player doesnt accept 25fps VCD's and i have a couple of avis encoded in 25fps
what is the safest way of getting them either to 29 or 23fps??
every time i try i get it pixelated all to hell, i tried using TMPG to convert an avi without audio
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  #2  
09-05-2004, 11:53 AM
Prodater64 Prodater64 is offline
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Quote:
Originally Posted by esoitl
i have a small qeustion about framerates
my DVD player doesnt accept 25fps VCD's and i have a couple of avis encoded in 25fps
what is the safest way of getting them either to 29 or 23fps??
every time i try i get it pixelated all to hell, i tried using TMPG to convert an avi without audio
Maybe your standalone don't supports VCD with non standard resolution and yes supports VCD.
You don't say nothing about how you encode KVCDs?
But if you are in PAL zone, I think you can try first multiplex and burn your KVCD mpeg1 (and mpeg2 also of course) as SVCD, as in this way many DVD players supports any resolution. If this way don't works then you need an avisynth script:

Quote:
Originally Posted by Posted by Boulder - (Modified for PAL to NTSC) -------------------
AVISource("path\clip.avi")
EnsureVBRMP3Sync()
Trim(0,0) # EnsureVBRMP3Sync somehow needs this to work properly!
#Filter here
BicubicResize(672,432,0,0.6) # 2 overscan blocks assumed
AddBorders(16,72,16,72)
ConverttoYUY2() # for CCE
TimeStretch(tempo = (100.0*23.976)/25.000)
AssumeFPS(23.976,false)
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  #3  
09-05-2004, 12:54 PM
esoitl esoitl is offline
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thanks for the reply but i have no clue what the hell you are talking about in it
it doesnt have to do with the way its burned, even just hooking a laptop into my DVD player and playing a movie on it gives me issues
other DVD players play it fine

all i would like to know is how to change the framerate without it getting all pixely and unviewable
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  #4  
09-05-2004, 01:01 PM
Boulder Boulder is offline
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We are dealing with advanced techniques here. If you don't know how to use Avisynth, please head over to http://www.avisynth.org and start learning. Come back when you have the basic knowledge about the scripts, unfortunately we don't have the time to teach everyone the very basics.
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  #5  
09-05-2004, 09:08 PM
dongxu dongxu is offline
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can we use similar script for 29.97fps to 23.976fps instead of "Converts 60fps Video into 24fps (http://www.kvcd.net/forum/viewtopic.php?t=8678)"
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  #6  
09-06-2004, 03:48 AM
Dialhot Dialhot is offline
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Yes, you can.
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  #7  
09-06-2004, 04:21 AM
incredible incredible is offline
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@ Dongxu

29.97 FRAMES per Second is the same as approx. 60 fields per second as in interalced cases you should call it field-based as every field gots unique informations where on progressive sources every FRAME gots unique informations. Thats why progressive sources are more detailed where interlaced sources do got a smoother motion (60 fileds compared to 29.97 frames)

http://www.kvcd.net/forum/viewtopic.php?t=9808
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  #8  
09-06-2004, 07:19 AM
Prodater64 Prodater64 is offline
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Quote:
Originally Posted by Dialhot
Yes, you can.
Is it a good practice, even we can do it?
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  #9  
09-06-2004, 07:25 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by Prodater64
Quote:
Originally Posted by Dialhot
Yes, you can.
Is it a good practice, even we can do it?
I don't know. As I'm always saying, I'm really not the guy to discuss about deinterlacing. Inc's (and Boulder's) posts on the toppic generally loose me after the third lines
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  #10  
09-06-2004, 04:06 PM
esoitl esoitl is offline
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Quote:
Originally Posted by Boulder
We are dealing with advanced techniques here. If you don't know how to use Avisynth, please head over to http://www.avisynth.org and start learning. Come back when you have the basic knowledge about the scripts, unfortunately we don't have the time to teach everyone the very basics.
im not asking that you teach me exactly how to do it
replying with 'you can use avisynth' would have been fine for me or maybe there was a guide somewheres that you could have pointed me to or something
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  #11  
09-06-2004, 04:40 PM
dongxu dongxu is offline
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May good practice is better, but I alway simply use ChangeFPS which do a similar thing as "the number of frames is increased or decreased like in ConvertFPS." it is much fast this way.
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  #12  
09-06-2004, 06:13 PM
incredible incredible is offline
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Quote:
Originally Posted by dongxu
May good practice is better, but I alway simply use ChangeFPS which do a similar thing as "the number of frames is increased or decreased like in ConvertFPS." it is much fast this way.
A "simple" ChangeFPS() is the worsed you can so as a simple adding deleting of frames will be the result = jerky motion! On apply that on bobbed streams and therefore on fieldbased ones. But interlaced results will happen.
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