![]() VC-1 however has many optimizations that distinguish it from older compression schemes. The codec in itself uses a block based motion compensation and spatial transform scheme that can be found in older compression standards such as MPEG-1 and H.261. In modem applications the VC-1 codec is used for small 10Kbps presentations at 160x120 pixels. ![]() At its peak, the codec can handle a resolution as high as 2048 pixels × 1536 pixels for digital cinema, and of a maximum bit rate of 135 Mbps. The VC-1 codec was developed to allow for compressed video quality at bitrates that range from measly to gigantic. VC-1 supports compression of interlaced content without converting it to progressive first, making it more attractive than other codecs to video professionals. VC-1 is seen as an alternative to H.264/ AVC. ![]() VC-1 is the official video codec of Microsoft's Xbox 360 gaming console, and is part of the Blu-ray Disc and HD DVD specifications. The formal release of the VC-1 standard was announced by SMPTE on April 3, 2006. The Windows Media Video 9 codec (WMV3) served as the basis for VC-1 development. VC-1 refers to the SMPTE 421M video codec standard that was originally developed by Microsoft.
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