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sizzle video/audio sync problems

Discussion in 'Video problems with Mac' started by urchin, Sep 4, 2003.

  1. urchin

    urchin Member

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    <b>(1)</b> I use osex to rip elemental AC3/M2V streams. <b>(2)</b> I edit the M2V's size using Transcoder/Mediapipe/etc. <b>(3)</b> I create a DVD disc image using Sizzle. Here's my problem: This process usually works just fine but --> <i>my latest backup/rip has AC3 & M2V files that are different lengths</i>. No matter how I try to tweak them, the audio is out of sync by a second or so by the end of the film. If anyone has had a similar experience, I would really appreciate your help.

    Thanks!
     
  2. urchin

    urchin Member

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    This is a reply to my original post.

    I found a way to fix the audio sync problems I encountered after using Sizzle (on OS X 10.2.8) to create a DVD disc image. Use ffmpegX to mux the original m2v and ac3 files into one mpg file. Then use bbDemux to demux that same mpg file back into elementary m2v and ac3 files. Then use Sizzle to create a DVD disc image with the new m2v and ac3 files.

    I'm not sure why Sizzle occasionally has audio sync problems, but ffmpegX seems to re-synchronize the audio/video when it mux's the two streams into a single mpeg-2 file. Then it's only a matter of demuxing the mpeg back to its original streams, so that Sizzle can make use of them.

    Another note: ffmpegX is a VERY versatile program. I would use it to master all of my DVD disc images (rather than use Sizzle), except that it doesn't include an elaborate DVD menu creation feature, like Sizzle does.

    Good luck to all!
     

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