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  1. 29th Jul 2005 04:35 #1
    Irrational Stoat
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    I need to make an NTSC DVD, but I'm confused by the two different NTSC framerates.

    Because the NTSC DVD templates in TMPGenc use a framerate of 29.97fps (and my AVI source files have a framerate of 23.976fps), would the resulting speeding-up be far too noticeable?

    I already know how to convert from NTSC 23.976fps to PAL 25fps using a combination of VirtualDubMod, BeSweet and TMPGenc - so would I have to use a similar method for NTSC 23.976fps to NTSC 29.97fps conversion?

    I will be using DVDLab Pro to author the DVD - so does it only accept 29.97fps NTSC files, or can I encode in TMPGenc without changing the framerate, keeping it at 23.976?
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  2. 29th Jul 2005 04:54 #2
    Baldrick
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    Make it 23.976 with 3:2 pulldown. No speeeeeeed up then.

    Step 1,2 and 5 in this picture:
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  3. 29th Jul 2005 05:57 #3
    Irrational Stoat
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    Thanks! Much appreciated.

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  4. 29th Jul 2005 07:24 #4
    junkmalle
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    You might find this post helpful in understanding NTSC frame rates:

    https://www.videohelp.com/forum/viewtopic.php?p=1334810#1334810
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