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Infognition Screen Pressor 2.1

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Infognition Screen Pressor 2.1

Infognition Screen Pressor 2.1 | 0.4 MB

ScreenPressor is a lossless video codec designed specifically for video screen capture (screencasts). It provides unprecedented compression ratio while keeping 100% of original information. Quality of lossless compression makes ScreenPressor perfect for use in online video conferencing and webinar applications. It's probably the best technical solution for video tutorials, presentations and instant screen (desktop) sharing. It's available as a codec or a library for Windows, Max OS X and Linux and can be used in most video recording and editing apps. Lossless video compressed with ScreenPressor can be watched in a browser using our free web player.

Lossless
Most popular video codecs are lossy, like DivX, H.264, VC-1 or Theora. They irretrievably dispose of information they consider unimportant to achieve desired compression rate. Providing acceptable quality for movies and video clips, lossy codecs perform visibly poorer on screencasts. Lossless codecs, like ZIP files, keep all original information intact.

Codec
A codec means compressor/decompressor and is not a standalone application but a component used by other applications. After installation, ScreenPressor is easily found in the codecs list available from all of your video capture and editing apps. Do not expect new icons to appear on a desktop or start menu (because, as mentioned above, video codec is not a separate program).

To create highly compressed screencasts with ScreenPressor you may use CamStudio (free), HyperCam or other video capture applications. Read more in tutorials section: how to record screen in CamStudio.

If you already have some captured video you can make its file size smaller by recompressing it without quality loss with ScreenPressor using for example VirtualDub (free). Read a step-by-step instruction on how to recompress video.

ScreenPressor version 2.1 and higher allow for a simple way to open codec settings directly: just run "\Program Files\ScreenPressor\spconfig.exe"

Compression
We compared ScreenPressor with popular lossless screen capture codecs as well as the most popular lossy codec (DivX, an MPEG4 implementation) on a set of typical screencast files. Each of sample video files was compressed with seven codecs. Also, for each video file, its compression with TechSmith Screen Capture Codec was taken for 100%. Results produced by other codecs were measured in relation to the TechSmith codec's compression results, also in percent. Comparison is summarized in a chart below. Since TechSmith is taken as 100%, lower percentage in this chart means better compression.

Home Page - http://www.infognition.com/ScreenPressor/


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