Sinclair's ONE Media Technologies to Host ATSC 3.0 NextGen TV Interoperability Event

Industry leaders to convene in Baltimore June 23-26 to advance NextGen TV innovation

HUNT VALLEY, Md. - June 15, 2026 - Sinclair's ONE Media Technologies today announced it will host its annual ATSC 3.0 NextGen TV Interoperability Event from June 23-26, 2026, at its headquarters in Hunt Valley, Maryland. The in-person event will bring together receiver manufacturers, technology partners, broadcasters, and industry stakeholders to test and validate interoperability across a broad range of NextGen TV services and applications.

The event will provide participants with access to live over-the-air ATSC 3.0 broadcasts in the Baltimore market, as well as a comprehensive suite of interoperability and performance testing scenarios designed to support continued advancement of the NextGen TV ecosystem.

Areas of focus will include:

• Broadcaster Application interoperability, including Run3 TV Framework testing and Advanced Emergency Information (AEI) functionality

• Digital Rights Management (DRM) and signal signing validation across DASH and MMT environments

• Signaling enhancements, including new service categories, broadband signaling servers, dynamic service changes, and RSAT implementation

• Hybrid broadcast and broadband service delivery

• Physical layer performance, including dynamic ModCod changes, Layered Division Multiplexing (LDM), and Broadcast Positioning System (BPS) testing

• Dynamic Ad Insertion (DAI) implementation and A/344 API testing

• MIMO backward-compatible configurations

• App-based services including ROXi and GameLoop

• Testing of the Broadcast-Enabled Streaming TV (BEST) channel and live Baltimore ATSC 3.0 OTA signals

"The continued success of NextGen TV relies on interoperability across devices, networks, and services," said Mark Aitken, Senior Vice President of Advanced Technology at Sinclair Broadcast Group and President of ONE Media Technologies. "Our annual event provides an important opportunity for industry participants to collaborate, validate implementations, and accelerate innovation across the ATSC 3.0 ecosystem."

The interoperability event is part of ONE Media's ongoing commitment to advancing the deployment and evolution of ATSC 3.0 technologies, helping enable enhanced consumer experiences and new opportunities for broadcasters and technology providers.

About Sinclair

Sinclair, Inc. (Nasdaq: SBGI) is a diversified media company and a leading provider of local news and sports. The Company owns, operates and/or provides services to 177 television stations in 71 markets affiliated with all major broadcast networks; owns Tennis Channel, the premium destination for tennis enthusiasts; and multicast networks CHARGE!, Comet, ROAR and The Nest. Sinclair's AMP Media produces a growing portfolio of digital content and original podcasts. Additional information about Sinclair can be found at www.sbgi.net.

About ONE Media Technologies

ONE Media Technologies, headquartered in Hunt Valley, MD, was established as a wholly owned subsidiary of Sinclair, with a vision to build and globally deploy the NextGen Broadcast Platform, enabling broadcasters to be competitive across all platforms in delivering enhanced video and data services. For more information: www.onemedia.tech.

Media Contact:
Jessica Bellucci
[email protected]