Any way to change digital avi 's 29.97 fps to 23.97

[Art]

Hi everybody.

I can't make the mpg file 23.97 fps. the TMPGEnc doesent change my avi file from digital camcorder, which is 29.97 fps. Any solutions.
Is it possible to do it in Premiere 6 . I couldn't find one. Help please.

[Tommyknocker]

http://www.vcdhelp.com/tmpgenc.htm -- Read the step under "Format"

[banjazzer]

This isn't something I normally do, as I work with PAL, but shouldn't you be loading the NTSC(film) template and selecting Inverse Telecine in advanced settings?

[garmashE]

Hi guys,

Inverse Telecine makes a movie jumping every second. It is very noticeable in a fast moving scenes. I was thinking that TmpGenc pools 1 frame from the group of 5, to make resulting 30 ->24 conversion. However, after experimenting I discovered that it rather pools 6 from 30.
So, I have a scene jump every second. The picture quality of my 24 Fps SVCD Mpeg2 is much, much better than it in a 30 Fps movie. Block size gets
2-4 times smaller (it could be very subjective, because quality should increase only 20%). Unfortunately Tmpgenc is not supporting frame rate conversion well. Same happened to my movie when I was trying to convert NTSC DV to PAL SVCD or Pal DVD. I got every second
jumping in a movie which suggests that again all 5 frames has been pooled together from a 1 sec. group of frames.
Does anybody have a suggestions on using additional settings to prevent this 6 frames jump?

Eugene

[fingernailX]

Yes, but it can be slow and a real pain. check out: http://www.doom9.org/decomb.htm

[BJ_M]

adobe after effects can do this very nicely (prob also premire) ..

[adam]

In order to inverse telecine something it must have been telecined in the first place!

Telecining is a process done to film. Digital camcorders do not record to film therefore a telecine or inverse telecine is not possible. You can still do an IVTC but you will simply be decimating certain frames. Decomb can do a decent job of it but you will probably never get perfectly smooth playback.

Some very very expensive DV camcorders can record at 23.976fps or 24fps (so I've been told) but for the most part if your using DV your stuck with pal or ntsc...ntscfilm is not an option.

[pedro222]

Some very very expensive DV camcorders can record at 23.976fps or 24fps (so I've been told) but for the most part if your using DV your stuck with pal or ntsc...ntscfilm is not an option.

What if I convert my PAL AVI's framerate directly to 23.976 in VDub and then frameserve it to TMPGENC and encode it with NTSC Film template ?

[adam]

Now why didn't I think of that? Yes actually I think that will work since pal is simply ntscfilm sped up by %4.03, as opposed to ntsc which is actually telecined.

But you will experience the same audio problem that typical film to pal conversions have, though in reverse. The audio will be slowed down so the pitch will be decreased proportionally. Its a minor difference and may not be noticable, but if it is then try raising the pitch of your audio by
%4.03 to offset this. This may or may not sound better, its all highly dependant on your source. Since you probably use your camera for home movies I doubt you will even need to bother with the audio pitch.

Good idea! I'm going to have to start doing the same as soon as I get my new DV camera. I'm just so used to living in the US that I don't even consider using pal as an intermediate format.

[pedro222]

I use Wavelab 4 to synch the audio. Its time stretch is good, and it can retain the pitch, whether you speed up or slow down the audio.