In 1990, due to the need for storage and playback of moving images and sound in digital format
for multimedia applications on various platforms, ISO has formed an expert group called
Motion Picture Experts Group (MPEG).
In order to enable the interconnection of equipment from different manufacturers, standards
for compression and transmission of video signals are defined. Among them, the best known
are H.261, H.263 and H.264 for videoconferencing transmission, videophone and distribution
of digital material via the web, as well as the MPEG standards (MPEG-1, MPEG-2, MPEG-4,
MPEG-7, MPEG-21), which are intended for standardization of multimedia systems and digital
television.
