virtualdub splitting: delayed picture

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  • Dissipate
    Junior Member
    Junior Member
    • Aug 2003
    • 5

    virtualdub splitting: delayed picture

    hi, i've been trying to split an avi file using virtual dub and the first half works fine, the second half seems to have a problem though. the sound comes before the picture - the voice is heard before the mouth moves. any suggestions on what i can do?

    dissipate
  • shiny#3
    Digital Video Master
    Digital Video Master
    • Jul 2003
    • 1000

    #2
    1. make sure that you split your movie exactly on an I-frame
    (keyframe)

    2. before you split the movie make sure that the audiofile has a constant bitrate.

    use the fileinformation in file dropdown menue to check.
    or Gspot
    If the movie has an AC3 audiostream use Virtual dub MOD to split.

    good luck!!

    Comment

    • Dissipate
      Junior Member
      Junior Member
      • Aug 2003
      • 5

      #3
      hi shiny, why virtual dub mod to split if the movie has an ac3 audiostream?

      thanks!
      dissipate

      Comment

      • setarip
        Retired
        • Dec 2001
        • 24955

        #4
        "why virtual dub mod to split if the movie has an ac3 audiostream?"


        Because the standard version of VirtualDub cannot process .AC3 audio...

        Comment

        • Dissipate
          Junior Member
          Junior Member
          • Aug 2003
          • 5

          #5
          okay, thanks.

          the file i was trying to split is an ac3 file. i tried using virtual dub mod and there was still delay. tried nan dub too and same problem. so i was about to do it the math method (http://www.divx-digest.com/articles/cutavi.html) when i saw the "change so video and audio durations match" option and selected it, and the split file was good. video and audio exactly together.

          dissipate

          Comment

          • setarip
            Retired
            • Dec 2001
            • 24955

            #6
            "when i saw the "change so video and audio durations match" option and selected it, and the split file was good. video and audio exactly together"

            Congratulations on resolving your dilemma ;>}

            Comment

            • shiny#3
              Digital Video Master
              Digital Video Master
              • Jul 2003
              • 1000

              #7
              I knew that this was the problem.... damned.

              why don´t people read simple stickies and tutorials before they come up with a very important question.....?

              I admire you and your patience, setarip!!!!
              Last edited by shiny#3; 22 Aug 2003, 04:57 AM.

              Comment

              • BoF
                Moderator
                • Nov 2001
                • 954

                #8
                Originally posted by shiny#3
                I admire you and your patience, setarip!!!!
                Setarip, you wouldn't have submitted ironic and subtile posts, I would have thought you were admin's bot.
                (that's a joke - )
                [www.scandiumrecords.com][Logan dataspirit]

                Comment

                • Dissipate
                  Junior Member
                  Junior Member
                  • Aug 2003
                  • 5

                  #9
                  I read divx digest's "Cutting AVI files" article! It didn't mention anything about AC3 files or that option.... are there any other important articles I should read?

                  Comment

                  • setarip
                    Retired
                    • Dec 2001
                    • 24955

                    #10
                    To Dissipate

                    "I read divx digest's "Cutting AVI files" article! It didn't mention anything about AC3 files or that option"

                    You have to keep in mind that technology advances at an EXTREMELY rapid pace. As such, an article written six months ago may now be somewhat (if not entirely) outdated.

                    I'd strongly suggest that you read as many of the posts at these forums as you possibly can. There's a welath of information contained therein, just waiting to be "mined"...

                    Comment

                    • setarip
                      Retired
                      • Dec 2001
                      • 24955

                      #11
                      To BofF

                      "Setarip, you wouldn't have submitted ironic and subtile posts, I would have thought you were admin's bot."


                      Oh, but I am!

                      As I just said to "Dissipate":

                      You have to keep in mind that technology advances at an EXTREMELY rapid pace.

                      I now am capable of irony, subtlety, humor - and have an impenetrably thick skin ;>}

                      Comment

                      • BoF
                        Moderator
                        • Nov 2001
                        • 954

                        #12
                        To Setarip

                        I understand now that admin dropped you to spread his knowledge while spending time talking football in the off-topic forum
                        btw, don't you realise you're speaking to a dog?
                        [www.scandiumrecords.com][Logan dataspirit]

                        Comment

                        • setarip
                          Retired
                          • Dec 2001
                          • 24955

                          #13
                          To BofF

                          "btw, don't you realise you're speaking to a dog?"

                          Not a problem. An avatar can communicate with all species, even le chien...

                          Comment

                          • Dissipate
                            Junior Member
                            Junior Member
                            • Aug 2003
                            • 5

                            #14
                            ok. thanks setarip!

                            Comment

                            • setarip
                              Retired
                              • Dec 2001
                              • 24955

                              #15
                              "ok. thanks setarip!"

                              My pleasure ;>}

                              Comment

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