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Old 07-18-2009, 11:52 AM   #1
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Registered: Jul 2009
Location: France
Distribution: ArchLinux
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Audio delay while encoding a DVD with mencoder


I want to encode DVDs and create MKV video files so that both video, soundtracks and subtitles are in the same file. However, I have a problem occuring for some DVDs (not all ones). Indeed, the audio of the result file is not synchronised with the video.

Here is how I proceed:
  1. To extract audio I run:
    $> mplayer dvd:// -dumpaudio -dumpfile audio.ac3
  2. To encode the video I use mencoder:
    $> mencoder dvd:// -ovc x264 -x264encopts ... -o video.264

Finally, when I create the container with mkvmerge, I get an audio delay.

With mkvmerge, I can add a "--sync" option. However, is there a way to find the proper sync value?

Thank you very much!


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