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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > can anyone explain my ntsc, ntsc film confusion?
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Can anyone explain my NTSC, NTSC Film confusion?
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Magic
Junior Member
_ 		24. March 2003 @ 02:28 _ Link to this message    Send private message to this user   
When I download a film I go into Virtual Dub to check the frames per second.

If the file is an NTSC_FILM I will convert it on TMPGEnc to NTSC_FILM film mpeg. The converted file is slightly jerky.

If I ignore Virtual Dub and just convert to NTSC I get a far smoother result.

Why? Whats the point of NTSC_FILM is NTSC works well for everything? Am I missing something?
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Dela
Staff Member
_ 		24. March 2003 @ 07:45 _ Link to this message    Send private message to this user   
NTSC FILM is 23.97fps wheras NTSC is 29.97fps. NTSC is used more than NTSC FILM!
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Magic
Junior Member
_ 		24. March 2003 @ 08:28 _ Link to this message    Send private message to this user   
I realise the physical differences. I want to know why the AVI-MPEG convertion behaves the way it does.
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Dela
Staff Member
_ 		24. March 2003 @ 08:35 _ Link to this message    Send private message to this user   
Well id say its more the playback of the mpg file! NTSC FILM seems ok with AVI but shaky with MPG. Its stramnge though, you would think converting to the same framerate it would be better!
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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > can anyone explain my ntsc, ntsc film confusion?
 

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