Synchronous Enhancements (ATVEF) – Synchronous Enhancements are interactive TV enhancements sent during specific and designated times while the TV program is physically being presented. These enhancements are designed to have an impact on viewers at those specific points of the show. These enhancements, often called triggers, might be embedded in the viewer’s video stream but when activated will take the viewer somewhere over the Internet or on a closed network as is the case with walled gardens and IPTV. Put differently these triggers in the video stream, (such as icons and text links,) are for the viewers to click on, or otherwise activate, so they then can go to content located someplace else, or on some other medium.
2 Screen Interactive TV, definition of and related articles
3D Gesture Recognition
Authoring Tools - (Interactive TV)
Call to Action
Interactive request-for-information Ads (iRFI)
Interactive TV Toolkit
Synchronized Web Links