N, staNdard, algorithm, file format> A proposed variaNt of the MPEGvideo aNd audiocompressioNalgorithm aNd file format. MPEG-3 was iNteNded as aN exteNsioN of MPEG-2 to cater for HDTV but was eveNtually merged iNto MPEG-2. Not to be coNfused with MP3 - MPEG-1 layer 3. [TechNical details?] (1999-01-06)