[FFmpeg-user] problem with audio/video sync after conversion

[Roger Pack]

> ffmpeg version N-34622-g701e534, Copyright (c) 2000-2011 the FFmpeg developers
>  built on Nov  9 2011 13:09:49 with gcc 4.1.2 20080704 (Red Hat 4.1.2-51)

Try a newer version, just for kicks and giggles?
Also you may want to try one from around 0426 of this year as I've had
some odd sound weirdness since then, see

http://ffmpeg.org/pipermail/ffmpeg-user/2012-June/007272.html