IntroductionVC1 is an encoding and compression system for digital content defined by the SMPTE VC-1 Standard for Television ("VC-1 Standard") was formerly referred to as the VC-9 Standard.
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VC-1 is the informal name of the draft SMPTE standard describing a video codec based on Microsoft Windows Media Video version 9. It is an evolution of the conventional DCT-based video codec design also found in H.261, H.263, MPEG-1, MPEG-2, and MPEG-4 Part 2 and AVC (MPEG-4 Part 10/H.264).
Microsoft® Windows Media 9 Series is a set of technologies that enables rich digital media experiences across many types of networks and devices. According to Microsoft, these technologies are widely used in the industry for media delivery over the internet and other media, and are also applied to broadcast, high definition (HD) DVDs, and digital projection in theaters.
At the core of these technologies is a state-of-the-art video codec called Windows Media Video 9 (WMV-9), which provides competitive video quality for reasonable computational complexity. WMV-9 has been submitted to and is currently being considered for standardization by the Society of Motion Picture and Television Engineers (SMPTE).
Philips licenses its essential patents for VC-1 through MPEG LA. For further details or questions please contact MPEG LA: