SDH
(Synchronous Digital Hierarchy) - SDH is an international standard set by the International Telecommunications Union for fiber optic data transmissions.
https://en.wikipedia.org/wiki/
International Telecommunications Union - (ITU)
2 Screen Interactive TV, definition of and related articles
Authoring Tools - (Interactive TV)
Interactive TV
Interactive TV Toolkit
PC-Synchronous Enhancements
Post Program Enhancements
Sync (TV)
Synchronized TV Developer
Synchronous Enhancements
Synchronous Programming
Synchronous Transmission (TV)
Trigger
Walled Gardens
Wince
See the Interactive Television Institute.
