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Adding Chapter Marks makes DVD audio not work

731 Views 10 Replies Latest reply: May 10, 2012 2:39 PM by aleidy RSS
aleidy Calculating status...
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May 4, 2012 8:59 AM

I sent a 65-minute video to Compressor from Final Cut Pro X. In Compressor I used the 'Dolby Digital Professional' and 'MPEG-2 for DVD' settings from the Disc Burning folder as targets, and added a job action to create the DVD. I left all default settings. DVD worked fine with good audio and great picture. Then I manually added Chapter marks in Compressor and created another DVD. This DVD had no sound for about half the video. Any ideas on how I can add Chapter marks in Compressor without losing audio? This is for a school Talent Show with about 25 different acts, so I really want to have a Chapter selection on the DVD. If I try other apps to make the DVD (FCP X, iMovie, iDVD) the video quality suffers terribly, so I'm hoping I can get Compressor to work. Thanks for any help.

Compressor, Mac OS X (10.7.3), Compressor v4.0.3
  • Russ H Level 6 Level 6 (12,945 points)
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    May 4, 2012 11:29 AM (in response to aleidy)

    Interesting…haven't heard of this one before.


    Guess I'd start by verifying that all 25 markers are indeed chapter markers.


    What's the pattern…intermittent…30 minutes norma followed by 30 minutes of silence…or what?


    BTW, if you use chapters with iDVD, did it play correctly (quality aside)?



  • Russ H Level 6 Level 6 (12,945 points)
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    May 5, 2012 6:12 AM (in response to aleidy)

    In the Compressor's Inspector, in the summary pane, what does it give as estimated file size?


    In iDVD, Project>project info, what does it indicate as file size?



  • Studio X Level 7 Level 7 (26,835 points)
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    May 5, 2012 8:24 AM (in response to aleidy)

    What format is the audio - ac3 or aiff?


    If aiff, convert it to ac3 in compressor before building your DVD.


    AIFF audio takes up a LOT of the DVD's bandwidth.



  • Russ H Level 6 Level 6 (12,945 points)
    Currently Being Moderated
    May 6, 2012 5:33 PM (in response to aleidy)

    It's great that you found a solution for your problem.


    Your idea that it's multicam-related caused me to a test of a muticam project I delivered last week. Not as long as yours, (mine just under 30 minutes), but I brought the master file into Compressor, chose the DVD preset, added 26 chapter markers, submitted and went to dinner. Returned and tested all 26 chatpers without finding any audio problems.


    So it seems that it's not conclusively a systemic bug – even though it was clearly a very real and substantive issue in your case.


    However, if I ever run into this, I'll definitely try your work-around.




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