abstract:Channel Definition Format (CDF) is an XML file format used in conjunction with Microsoft Active Channel and Smart Offline Favorites technologies. Introduced in March 1997, the format is designed to "offer frequently updated collections of information, or channels, from any web server for automatic delivery to compatible receiver programs.
Thechannel, HomeBox Office'shighdefinition "HBOHDTV, " featuresblockbusterHollywoodfilms and originalmoviesfrom HBO in high definition formatandairs on DIRECTV(r) 24hoursdaily.
The RealD Format combines left eye and right eye 3D image streams into a single channel for delivery of high-definition progressive or interlaced 3D video using today's Internet or broadcast infrastructure, including existing PCs, HD set-top boxes and DVRs, to any 3D-enabled display type.