Video Question Change 29.970 fps to 25 fps

[rachitar]

Hi
There is a video file with 29.970 fps which i want to convert to 25 fps,it is about 80 mins
If i use virtualdub to change the framerate,the video becomes 100 mins,but the audio still remains for the 80 mins
i.e. the video has been stretched since the fps is changed but the audio is not changed
How can i stretch the audio also so that the video and audio remain in sync all the time
thanks

 

[nil_3]

The 29.970fps video is in NTSC format. Just try to save the video in PAL format and it will be ok.

 

[Keith Sebastian]

Why would you want to do that?

Anyway it's a common question answered many times at Videohelp.com and Doom9.net -
*www.videohelp.com/forum/archive/t298756.html

Search and you'll find heaps of threads there.

A very informative guide-
*www.users.bigpond.net.au/sauron/CONVERTING PAGE 1.htm

-Keith