VC-1
Sign in to saveAlso known as Video Codec 1, SMPTE 421M
SMPTE 421, 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 an 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.
Key facts
- File format.name
- VC-1
- File format.developer
- SMPTE, Microsoft, Panasonic, LG, Samsung, etc.
- File format.latest_release_version
- SMPTE ST 421:2013
- File format.type
- Video coding format
- File format.extended_from
- WMV 9
- File format.standards
- SMPTE ST 421
- File format.open
- Yes
- File format.free
- No
via Wikipedia infobox
~11 min read
Article
15 sectionsContents
- Format
- Microsoft codec implementations
- WMV3
- WMVA
- WVC1
- Profiles
- Bit rates and resolutions
- Other implementations
- Encoding software
- Hardware-based encoding and decoding
- Legal status
- Patent holders
- See also
- References
- External links
SMPTE 421, 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 an 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.
VC-1 is supported in the now-deprecated Microsoft Silverlight, the briefly-offered HD DVD disc format, and the Blu-ray Disc format.