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Can you replace a video segment from a published screencast video?
If you have the original Camtasia (or Screenflow) project file this wouldn’t be a problem. You would simply open up either the Camtasia Studio .camproj, the Camtasia Macintosh .cmproj or the Screenflow .screenflow project file, replace the appropriate image or video segment, then re-publish a new video MP4 file.
The problem comes when your client tells you that they no longer have the original project files and only have the published (MP4) output file on YouTube, say.
Well, in most cases, this is an opportunity to update the whole video and re-capture a fresh/new screencast. But, if you’re in a crunch, then you can download the MP4 from YouTube and then import the MP4 into a new Camtasia Studio, Camtasia Mac or Screenflow project file.
Once imported, you can then use the “separate video and audio” feature (or its equivalent in any of the other two software packages) and simply overlay new graphics to replace the old.
“Separate Video and Audio” Technique Saved About 200 Hours Of Re-Work On One Project
The video above shows how I used the separate video and audio feature in our screencasting software (Camtasia Studio in this case) to replace an outdated video segment containing information about a company’s product pricing.
In this case we had about 24 of these demo videos where only the pricing graphic needed to be replaced. As you can imagine, it would’ve been a huge project to otherwise have to re-capture, -edit and -publish all of them. At a 10:1 development ratio, that would’ve otherwise have easily summed to over 200 hours of re-work.
But Wait. There’s a Quality Downside.
The obvious downside here is that you’re working with an already compressed video file (i.e., the published MP4) as your source video in the new project.
In this case, we published a couple of test files and saw that the degradation was acceptable relative to the rework effort. But, you’ll definitely want to be aware of this downside and publish a test file before you go full bore with a similarly large project.
So, this is clearly just one practical application of the “separate video and audio” feature. Were you aware this existed in Camtasia and Screenflow? If so, how have you used that feature on your projects?
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