What program does time compressed encoding?

[Carlos Garcia]

Here is my situation. I have an old sound movie that in order to transfer to video, I had to slow down the projector so that the flicker would not show up in the transfer. What I now have is a clean looking film transfer that is obviously running a bit slower than it should...the sound also sounds slower. What I am looking for is to transfer this existing mp2 (DVD) file to the correct speed. In other words, I want to slightly increase the speed of the video and audio so that the video will run at the same original speed as the original film. Is there a program that can convert (time compress) an MPG file? Thanks for any help.

[45tripp]

use avisynth and frameserve to an encoder

http://avisynth.org/mediawiki/AssumeFPS

what framerates.
convert to dvd again. ?

mpeg2 has only a set of valid framerates.
you'll probably have to use dgpulldown as well


tripp

[Carlos Garcia]

use avisynth and frameserve to an encoder

http://avisynth.org/mediawiki/AssumeFPS

what framerates.
convert to dvd again. ?

mpeg2 has only a set of valid framerates.
you'll probably have to use dgpulldown as well


tripp

Thanks for your reply, tripp. I have the mpg2 file encoded at 29.97fps. I want to re-encode it at 29.97fps, after the file is sped up slightly to achieve its proper running speed.

[45tripp]

aha.

changing framerate means
you are either changing the number of frames displayed in the same time,
or changing the time in which the the same frames are displayed.

what's the original framerate?
or what's the original duration vs the current duration?

you could have captured the audio at it's native speed with a second pass no?

i'm not familiar with the process you're going through,
but i am interested in a sample of the material.

[smok3]

that is typical fastmotion effect, maybe try with

convertfps or changefps followed by assumefps.

http://avisynth.org/mediawiki/AssumeFPS#ChangeFPS