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Following in the footsteps of ATVEF was DDE-1, a joint effort between NIST's now defunct interactive television program and SMPTE to make the ATVEF Specification a SMPTE standard as well as clean up parts of the ATVEF specification. The basic browser functionality is now defined under SMPTE 343, "Declarative Data Essence," while transport related issues are covered in SMPTE 357M, "Declarative Data Essence, IP Multicast Encapsulation," SMPTE 364M, "Declarative Data Essence - Unidirectional Transport Protocol," and SMPTE Proposed Standard 361M, "NTSC IP and Trigger Binding to VBI."
Revised Tuesday, 25-Mar-2003 15:43:55 CST - © 2000 - 2003 LEC &