editing a previously recorded video

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I have an old video (MP4) that was recorded by a former employee.  The annotations and background are all saved into a single track.  I just need to update one of the background slides and a couple of the annotations.  Is there a way to "disassemble" the video from the annotations so that I can edit the background without recreating the entire video?
 Thank you
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Posted 2 months ago

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Robert R., Online Community Admin

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Hi Michael;
Unfortunately you would not be able to 'deassamble' the MP4 file back into its original parts; for that you would need the original Camtasia project. Your best bet might be to import the MP4 into Camtasia onto Track 1 of the Timeline, then add the new annotations and slides to tracks above it so you are covering the old, outdated content. You would then produce to a new MP4 and use it as needed.
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If the screen shots are still behind the annotations and the screen shots have a spot where the annotation is not showing you can with a little bit of work.  With the mp4 in camtasia, find a spot where the annotation is not present in the screen you want.  With the play head on that spot, under share, use export frame as.  Then you can import that new frame and cut it into the spot where you want it. You will have to separate the audio and video first before cutting in the new frame.  You can size the frame vary easily to any size you want.  If you don't separate audio and video, you loose the audio for that spot when you cut out the old video.