Camtasia is a screen recording program which can record your onscreen activities for later playback. It is also an excellent tool for making screencasts. Camtasia provides its own codec to compress videos.

By default Camtasia is set to save files to their special file format instead of the .avi video file format which provides better playback compatibility. Using the .avi format also enables you to use Camtasia together with ScreenPressor video codec. On a typical screen captured video ScreenPressor provides better compression than original TechSmith codec making the files size smaller so they can be downloaded faster.

In order to use Infogintion ScreenPressor codec with Camtasia, you must go into Camtasia options to select ScreenPressor codec.

From the main menu, choose Tools -> Options

On top of this menu, select "Save as .avi"

Click on "Video" tab.
Select "Manual" video configuration and "Screen capture rate:" at 15 frames/sec.
Click on the Video compression... button.

Select "Infognition ScreenPressor" as compressor.
Click on the Configure... button.

Set 200 as "Maximum interval between key frames".
Press OK in order to return back to Camtasia main screen.

Press the red rec button to record and F10 to stop recording.

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