Can I combine MPEGs with different frame rate on 1 title o..

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I'd like to merge 2 mpeg-2 files with the same resolution but with 2 different
playback rate. One is 23.976 (playedback as 29.976 on TV) and another one is
29.976. TMPGenc DVD author allows me to do so and doesn't complain. However,
what could undesireble effects be if in the future I play it on the DVD with
progressive scan output?

--Leonid

 

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"Leonid Makarovsky" <venom@cs.bu.edu> wrote in message
news:cnddtu$okd$1@news3.bu.edu...
>
> I'd like to merge 2 mpeg-2 files with the same resolution but with 2
> different
> playback rate. One is 23.976 (playedback as 29.976 on TV) and another one
> is
> 29.976. TMPGenc DVD author allows me to do so and doesn't complain.
> However,
> what could undesireble effects be if in the future I play it on the DVD
> with
> progressive scan output?
>
> --Leonid
>

Hmm... It sounds like you have your files as separate
chapters in a track, right? If so what is the framerate
being reported when each chapter is playing? It is
possible that TDA is setting the headers to the same
value, but since not all players pay attention to the
header settings, they could play each chapter at its
proper rate. You might just give it a try, it won't
hurt your player. It might be that the action moves
a little, some, faster or slower than it should.

Luck;
Ken

 

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Ken Maltby <kmaltby@sbcglobal.net> wrote:
: Hmm... It sounds like you have your files as separate
: chapters in a track, right? If so what is the framerate
: being reported when each chapter is playing? It is

Yeah. I recorded a footage from NTSC source. The footage had the film as a
source. I used DeComb filter and AVISynth to make it 23.976 progressive.
However, the very end of the footage is not progressive source, but interlaced
source. So I splitted it up the main part and the very ending. The progressive
part was encoded in TMPGenc with 23.976fps(29.976fps internally). The
interlaced part was encoded just as 29.976fps. VirtualDubMod shows 23.976fps
of the progressive clip. TMPGenc DVD Author seems to show 29.976fps. On DVD
I'd like to put these 2 parts back together.


--Leonid