[FFmpeg-user] Convert PAL to NTSC
expandafter at yahoo.com
Fri Jul 12 13:31:11 CEST 2013
Usually films that are shot at a rate of 24fps are converted to
PAL's 25fps by simply speeding them up; no frames are added.
This results in a shorter playtime and an increase in the pitch
of the sound.
So to convert to NTSC's 24fps (24000/1001), all we have to do
is slow everything down; we don't have to change the number of
Here's a method that works well for me. On ffmpeg's command line
the following appears twice---once before the input file and once
before the output file:
To slow down the audio, add this to the audio filters:
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