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ScreenPressor
Lossless video codec designed specifically for screen capture. While keeping always 100% quality
and being very fast
it provides the best compression in its field, and in many cases even compresses captured screen better
than lossy codecs like MPEG4 (DivX, XviD) and WMV.
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. ScreenPressor version 1.1 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.
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