The Etymonix MPEG-2 I-frame Video Codec for Win95/98/Me/NT4/2000/XP is a software-only video compressor/decompressor based on the standard Video for Windows (VfW) architecture. It can be used with a wide range of existing applications (such as Adobe Premiere, Fractal Design Painter, Ulead Video Studio, Ulead MediaStudio Pro, Windows Media Player, Macromedia Flash MX) that support VfW codecs. Typically, these applications will store the compressed MPEG data generated by the codec in an AVI file. A wide range of resolutions and frame rates (including NTSC and PAL) are also supported.

This codec is specifically engineered to preserve quality during image processing while providing better compression than lossless solutions. Typical compression ratios between 2:1 and 5:1 can be achieved. Along with the common YUV 4:2:0 and 4:2:2 modes used in the video industry, it provides a unique YUV 4:4:4 mode for better-than-broadcast quality. Test results show that live video can be decompressed and recompressed an infinite number of times with no visual degradation, even to the expert eye. This makes the codec ideal for video editing where the video may be processed many times.

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