SMPTE 421M-2006


Television – VC-1 Compressed Video Bitstream Format and Decoding Process
standard by Society of Motion Picture and Television Engineers, 02/24/2006



This document defines the bitstream syntax and semantics for compressed video data in VC-1 format, and specifies constraints that are required for conforming bitstreams. It also describes the complete process required to decode the bitstream. The compression algorithm is not specified in this standard. The video formats supported by VC-1 include progressive and interlaced video sampled in the form of Y luma samples and Cb, Cr color-difference in 8-bit per component sample values resulting from a 4:2:0 sampling grid. The decoding process outputs 8-bit per component video sample corresponding to the original 4:2:0 sampling grid.

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