VC-1
Video coding format developed by Microsoft / From Wikipedia, the free encyclopedia
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SMPTE 421,[2] informally known as VC-1, is a video coding format. Most of it was initially developed as Microsoft's proprietary video format Windows Media Video 9 in 2003. With some enhancements including the development of a new Advanced Profile, it was officially approved as a SMPTE standard on April 3, 2006. It was primarily marketed as a lower-complexity competitor to the H.264/MPEG-4 AVC standard. After its development, several companies other than Microsoft asserted that they held patents that applied to the technology, including Panasonic, LG Electronics and Samsung Electronics.
Internet media type | video/vc1 |
---|---|
Developed by | SMPTE, Microsoft, Panasonic, LG, Samsung, etc. |
Initial release | 24 February 2006; 18 years ago (2006-02-24) |
Latest release | SMPTE ST 421:2013 8 October 2013; 10 years ago (2013-10-08) |
Type of format | Video coding format |
Extended from | WMV 9 |
Standards | SMPTE ST 421 |
Open format? | Yes |
Free format? | No[1] |
VC-1 is supported in the now-deprecated Microsoft Silverlight, the briefly-offered HD DVD disc format, and the Blu-ray Disc format.