Two amendments to ATSC standards published

ATSC Standards Update: Two New Amendments Approved

The Advanced Television Systems Committee (ATSC) has announced that two new documents have been approved by the ATSC membership and published on its web site:

A/322:2024-04 Amendment No. 1 – This document specifies MIMO, Channel Bonding, LDM, and their combinations in the physical layer, in order to support a significant throughput increase or spectral flexibility. The amendment also adds TxID signal generation complying with MIMO signals. In addition to the amendment, a roll-up of the standard has been published as A/322:2024-09.

A/344:2024-04 Revision – This Candidate Standard describes the interactive content environment provided by an ATSC 3.0 Receiver. The 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 CS also specifies the life cycle of the interactive content when delivered over broadband or broadcast or both. The CS period extends to 28 February 2025.