efficiency initiative that commits the largest American cable operators to the purchase of set-top boxes that meet Energy Star standards and the development of sleep modes that will use less energy when the set-top box is not being used to watch or record video. See also AllVid CableCARD Comparison of digital media players DTV receiver Digital media player Microconsole Over-the-top media service References External links "What Is a Set Top Box or STB Working and Architecture?" at Headendinfo.com Cable television technology Consumer electronics Satellite broadcasting Television terminology