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VC-1
VC-1 is a video codec specification standardized by the SMPTE (Society of Motion Picture and Television Engineers) group. It was originally developed by Microsoft as Microsoft Windows Media Video (WMV) 9. VC-1 codec is designed to handle a variety of video qualities ranging from 160 × 120 to 2048 × 1536 resolutions. VC-1 is seen as a competitor to other codecs in use today, including H.264/AVC and MPEG2. VC-1 supports compression of interlaced content without converting it to progressive first, making it more attractive than other codecs.
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Encyclopedia of Audio/Video

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