ISO# Acr./Part Title 11172 (MPEG-1) Coding of moving pictures and associated audio at up to about 1.5 Mbit/s Part 1 Systems Part 2 Video Part 3 Audio Part 4 Conformance...
In the digital media field there are just too many acronyms. This page says what at least some of them mean. An acronym link will take you to the first...