NVISA introduces new approach to broadcasting alerts

Alliance unveils Visually Integrated Display Symbology (VIDS)

The NextGen Video Information Systems Alliance (NVISA) introduced its first recommended practice document: Visually Integrated Display Symbology (VIDS). The VIDS recommended practice represents an industry breakthrough — a powerful and impactful new way of displaying emergency alerts based on easily discernable graphical elements.

Source: NextGen Video Information Systems Alliance (NVISA)

The VIDS recommended practice is intended to enhance the impact, usability, and accessibility of emergency information by incorporating graphical elements. NVISA's objective is to contribute to a more inclusive reach of emergency information that works for all audiences, regardless of visual media, language, ability, or culture.

NVISA is a worldwide coalition of developers and manufacturers working to help accelerate the industry's evolution toward next-generation broadcast and OTT television systems. Alliance members are pooling their cross-industry expertise to collaborate, implement standards, and create best practices to help broadcasters accelerate their transformation toward advanced ATSC 3.0 systems.

VIDS is the first-ever recommendation for integrating universally understood graphical elements, including symbols and dynamic elements, into emergency alerting information for broadcast. Until now, visual displays of public warnings have been typically text-only, and usually limited to a single language. VIDS creates a commonly defined relationship between the type of alert, the message text, and any graphical elements.

The VIDS recommended practice lays out a compelling new approach, providing a standard look and feel for advanced multimedia alerts that is fully compatible with national emergency alert requirements. The VIDS recommended practice explicitly accommodates the requirements of emergency alert systems in the United States and Canada, while providing the flexibility to be applied anywhere else in the world.

VIDS can be adopted across all manner of display technologies including broadcast media, cable and IPTV systems, and digital signage. The VIDS visual presentation is based on a set of display directives for integrating alert information in which specific icons or symbols graphically represent an emergency event. Each symbol is presented with the alert text in a highly accessible manner.

For broadcasters and cable operators, systems using the VIDS recommended practice will deliver an integrated look and feel for advanced emergency alerts, with enhanced accessibility and appeal for viewing audiences. For manufacturers and developers, the recommended practice offers a standardized method to integrate, package, and display alert text and graphics.







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