Copyright 2004 Ken Greenebaum
MPEG-3 and -4 standards
nMPEG-3: Abandoned when MPEG-2 proved sufficient for HDTV
nMPEG-4: Intended for very low bitrate
nAdds objects, 3D scenegraph, DRM, and more efficient encoding
nIntended for very low rates < 64Kb/s
nBut CODEC useful for very high quality too