Different delays on AC3 audio

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  • Hekke1664
    Junior Member
    Junior Member
    • Apr 2002
    • 17

    Different delays on AC3 audio



    I'm trying to encode the movie James Bond : Goldfinger. (PAL version region 2). Every time I try to add the sound the audio isn't in sync. When I Rip the DVD and split it in every cel ID I get different audio delays on the 32 vob files. (-160, -152, -144, -136 and 0ms). It tried Vob2Audio, Besweet, Graphedit and Oggmachine. With Oggmachine I encode evey AC3 file seperately (ripped from vob file with DVD2AVI) and enter the number of the delay. Joining the 32 files with musiCutter isn't a problem, but when I join the sound with the avi OggMux crashes. Is there an other way to encode the audio and join it with the movie. The movie is a DivX 5.02 pro rip.
  • sirius
    Junior Member
    Junior Member
    • Sep 2002
    • 13

    #2
    Maybe it would help to open the vob files in DVD2AVI and then saving a DVD2AVI project file with demux audio selected.
    The result should be one ac3 file with just one delay value to take into account.

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    • Hekke1664
      Junior Member
      Junior Member
      • Apr 2002
      • 17

      #3
      I tried that but the audio isn't in sync either. I tried almost averything.

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      • Erci
        Digital Video Enthusiast
        Digital Video Enthusiast
        • Nov 2001
        • 333

        #4
        Do you use nandub/virtualdub to add it?
        And what do you use to rip it?
        I guess you haven't changed the framerate on the movie?

        //Erci
        DVD Backup Guide

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        • Hekke1664
          Junior Member
          Junior Member
          • Apr 2002
          • 17

          #5
          I used OGGMachine to encode it to Ogg Vorbis and OggMux to join it with the avi.
          I also used Vob2Audio, Graphedit, Besweet ... to encode it and I joined it with Nandub.
          I recently encoded every ac3 file seperatly with their delay and joined it to one file (musicutter for Ogg and Cooledit for wave). Then I joined it again with either OggMux or Nandub but neither work. I also noticed that the movie is 2 seconds longer than the audio so I stretched the audio with CoolEdit. Whatever I try nothing seems to work.
          I also tried different video codecs, DivX 3.11, 5.02 Pro and XVid. All of these I ripped with GordianKnot/Nandub or VirtualDub.

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          • Hekke1664
            Junior Member
            Junior Member
            • Apr 2002
            • 17

            #6
            The framerate of the DVD is 25.000fps and the avi is also encoded as 25.000fps.

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