Frameworks For Digital Media

MPEG-21 Development

After the memorable achievement of the PD 1.0 specification, I tried hard to convince SDMI people that the group should work on developing interoperable specifications that included specific technologies beyond the screening ones, or the entire initiative would be meaningless. My efforts were in vain and, at the Los Angeles…

Inside MPEG-21

Part 1 of the MPEG-21 standard has the title “Vision, Technologies and Strategy“. It is not a standard but a Technical Report because it contains a description of part of the content of MPEG-21. Digital Item Declaration (DID) is part 2. This normative part defines the technology supporting DIs. The…