avi splitting with virtual dub

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  • apocX
    Junior Member
    Junior Member
    • Apr 2002
    • 7

    avi splitting with virtual dub

    Hey, I tried to cut the credits out of a movie so it would fit on one disk and that worked fine and the new file I created has flawless audio but the video skips very badly. I followed the tutorial flawlessly whats the deal?

    THanks,

    ApocX
  • setarip
    Retired
    • Dec 2001
    • 24955

    #2
    1) Did you set BOTH "Video" and "Audio" to "Direct Stream Copying"?

    2) What version of VirtualDub are you using?

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    • apocX
      Junior Member
      Junior Member
      • Apr 2002
      • 7

      #3
      yep, I set them both
      1.4.7

      Comment

      • setarip
        Retired
        • Dec 2001
        • 24955

        #4
        Version 1_4_6 through 1_4_8 were buggy in this regard. I'd suggest that you download the latest version 1_4_10, or one of the older, proven versions (I continue to use version 1.4D)...

        Let us know of your success ;>}

        Comment

        • apocX
          Junior Member
          Junior Member
          • Apr 2002
          • 7

          #5
          Good deal, I got 1.4.10
          No more skipping!
          BUT.... now I have audio out of sync. hopefully this wont be too hard to fix tho

          Here is the error I get when I open the AVI file:

          VD has detected an improper VBR audio encoding in the source AVI file and will rewrite the audio header w/ standard CBR values during processing for better compatibility. This may introduce up to 20894 ms of skew from the video stream. If this is unacceptable, decompress the *entire* audio stream to an uncompressed WAV file and recompress w/ a constant bitrate encoder. (bitrate: 127.8 ± 13.1 kbps)


          Thanks,
          Apoc

          Comment

          • setarip
            Retired
            • Dec 2001
            • 24955

            #6
            You've got an AVI file that has a Variable Bit Rate (VBR)-MPEG Layer 3 (MP3) audiostream, which has to be converted to a Constant Bit Rate (CBR). Do the following:

            Simply use VirtualDub to save the audio stream as an Uncompressed PCM (WAV) file.
            Then set "Video" to "Direct Stream Copying"
            Then save the .AVI as a silent .AVI (set "Audio" to "No audio" after you've saved the WAV file).

            Then close VirtualDub and restart it
            Set "Audio" to "No audio"
            Load your silent .AVI
            Set "Video" to "Direct Stream Copying"
            Under "Audio" click on "WAV Audio" and load your .WAV
            Set "Audio" to "Full Processing Mode"
            From the "Audio" dropdown menu, select "Compression" and choose the appropriate .MP3 settings. Click on "OK"
            From the "File" dropdown menu, select "Save as AVI" and save your file with a new filename.

            Again close VirtualDub and restart it
            Do your cutting and save your new, shortened .AVI with a new filename.

            Be good enough to postyour results...
            Last edited by setarip; 18 Apr 2002, 10:31 AM.

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            • apocX
              Junior Member
              Junior Member
              • Apr 2002
              • 7

              #7
              thanks setarip, you are helping tremendously, I'm at the part where I seletect the .mp3 settings (sorry I took so long, i had a phone call) what should I select?

              Comment

              • apocX
                Junior Member
                Junior Member
                • Apr 2002
                • 7

                #8
                I'm guessing MPEG layer 3
                but can you confirm this? Thanks

                Comment

                • apocX
                  Junior Member
                  Junior Member
                  • Apr 2002
                  • 7

                  #9
                  well I did as you said and it worked great BUT the final file was 1.07 GB
                  i guess the conversion to .wav ???


                  thats w/ me seeing the compression to MPEG layer 3, i assume thats right...

                  Comment

                  • setarip
                    Retired
                    • Dec 2001
                    • 24955

                    #10
                    "thats w/ me seeing the compression to MPEG layer 3, i assume thats right"

                    Yes .MP3 and MPEG Layer 3 are one and the same. Once you've selected an MP3 setting (e.g. 44,100Hz, 96Kbps or, if need be, 48,000Hz, 96Kbps) and resaved the file, the filesize will be MUCH smaller...

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                    • apocX
                      Junior Member
                      Junior Member
                      • Apr 2002
                      • 7

                      #11
                      alrighty, how do I do that?
                      THanks again man, your a great help

                      Comment

                      • setarip
                        Retired
                        • Dec 2001
                        • 24955

                        #12
                        As I mentioned in my earlier post, "From the 'Audio' dropdown menu, select 'Compression' and choose the appropriate .MP3 settings. Click on 'OK'"

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