[FFmpeg-user] Sync Issue After Clipping MPEG-2 Long GoP and PCM

[Eoin Padrai O'Giollain]

What I mean by out of sync is, when I looked at the extracted audio and the
video in Premiere, they were out of sync with one another. Note: I had to
convert the mkv into an mxf to open it in Premiere. The mxf was shorter
than the mkv and the audio clip, but when I snapped its end to the end of
the audio, the audio and video were back in sync.


On 30 August 2013 12:13, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Eoin <ogiollae <at> tcd.ie> writes:
>
> > The problem begins when I then extract the audio
> > from the clips using:
> > ffmpeg -i short_clip.mkv -vn -acodec copy audio.wav
> > This extracted audio seems to be out of sync with
> > the clip it came from.
>
> How can a wav file be out-of-sync?
>
> Carl Eugen
>
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