343 Mp4 [2027]

: As of 2024, the studio has rebranded to Halo Studios to mark a new era using Unreal Engine 5. 2. RS-343 Video Standard

: It is often referenced in the context of H.264/MP4 encoding hardware designed to capture and compress old analog RS-343 signals into digital formats. 3. ATSC Standard A/343

In broadcasting, is a specific ATSC Standard that defines how captions and subtitles are handled in modern digital television.

The most common association is with , the developer of the Halo series.