A/344: ATSC Candidate Standard: Revision of ATSC 3.0 Interactive Content

Approved 27 April 2018. Updated 21 August 2018. The CS period ends 31 March 2019.

This document describes the interactive content environment provided by an ATSC 3.0 receiver. This environment is comprised of a standard W3C User Agent with known characteristics, a WebSocket interface for obtaining information from the receiver and controlling various receiver functionality, and an HTTP interface for accessing files delivered over broadcast. This document also specifies the life cycle of the interactive content when delivered over broadband or broadcast or both.

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