ATSC Proposed Standard: Revision of A/337:2018, Application Event Delivery

Approved 29 March 2019. This document is currently at ballot as a Proposed Standard.

This document specifies the delivery of events/actions for ATSC 3.0 applications and synchronization of these application events/actions with underlying audio/video content. This Candidate Standard reversion of A/337 has the HELD and DWD signaling tables and related text removed. Those tables are being moved to A/331. An A/331 revision accommodating this change is also under development. A redline version of the document is available here.

The accompanying schema is provided in .zip format.

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