Need help with this video glitch, thanks

7 replies
Need your help guys as this is driving me doolally!

I've created a series of videos and one of my clients pointed out a glitch that I cannot figure out. Take a look at the 2.13 minute video and let me know if you can help.

Here's the link:
http://askstewartalexander.com/glitch/glitch.html

Thanks in advance.
#glitch #video
  • Profile picture of the author mywebwork
    Is it the video noise at about 1:46 that you are asking about Stewart?

    I notice that this is just a Camtasia video, does the noise also appear on the original camrec files or is it just in the final copy?

    Bill
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    • Originally Posted by mywebwork View Post

      Is it the video noise at about 1:46 that you are asking about Stewart?

      I notice that this is just a Camtasia video, does the noise also appear on the original camrec files or is it just in the final copy?

      Bill
      UPDATE: I see what you mean by video noise. Yes that's exactly what I mean Bill.

      The noise only appears in the final video, not in the camrec file.

      Any idea what it is, or more importantly... how to get rid of it?
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      • Profile picture of the author Gail_Curran
        I don't think this is a Camtasia issue, nor can it be fixed within Camtasia. I think it's related to whatever software you used to create the original content. Without knowing your whole process, it's hard to say. I'd suggest going back to the original software you used to make the content and re-rendering or re-exporting the file. Then bring it back into Camtasia and see how it looks.

        .
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        • Originally Posted by Gail_Curran View Post

          I don't think this is a Camtasia issue, nor can it be fixed within Camtasia. I think it's related to whatever software you used to create the original content. Without knowing your whole process, it's hard to say. I'd suggest going back to the original software you used to make the content and re-rendering or re-exporting the file. Then bring it back into Camtasia and see how it looks.

          .
          No, it's certainly not a Camtasia issue, as the same thing happens with the generated file before it's imported into Camtasia. I just didn't spot it until I created all the videos and sent them out to customers. I cannot duplicate the issue on my PC, and that's using VLC, Windows media and Apple QuickTime, but I have been able to duplicate the glitch on another PC, so sods law says it might only be one complaint, but if I launched this on a larger scale 9which I plan to do), I'd be inundated with support issues.

          It's going to be a royal pain to redo all the videos again, as there's quite a few of them, but you're right, maybe that's the only way.

          The process was as followed

          1. Software outputted original video in flv format, recorded at 30fps.
          2. Using Handbrake (default settings), I converted the flv file to mp4.
          3. Imported the mp4 into Camtasia, added background music, call-outs etc.
          4. Exported as an mp4 file, keeping the original recoding dimensions.
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          • Profile picture of the author Gail_Curran
            For sure, you can't let something like that slide, even if it's only a sporadic glitch. Unfortunately, trial and error may be the only way to track down the source of the problem.

            Can you output the original file in something other than flv, so you can import directly into Camtasia? Have you tried different Handbrake settings (is it matching up with the original 30 fps)? Are you rendering the final mp4 at 30 fps?

            .
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            • Can you output the original file in something other than flv, so you can import directly into Camtasia?

              Only other option is .mov and that doesn't import into Camtasia as far as I know.

              Have you tried different Handbrake settings (is it matching up with the original 30 fps)?

              I used the "Same as source" for the frame rate, and under the "Presets" I chose, "Regular" > "Normal"

              Are you rendering the final mp4 at 30 fps?

              Hmm, have to check where the settings are for that, so I guess the answer is no, unless Camtasia's default is 30fps.

              Good points. I'll report back. Thank you for your help.
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              • Ok, thanks everyone. I got it sorted.

                The problem was in Camtasia. I re-installed it, and updated it.

                I then rendered all the videos again (after testing one of them), and the issue was solved.

                Again, thanks for your help, much appreciated.
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