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The Technology Behind Comcast's 30 Mbps Upscaled 4K Super Bowl Stream

In conjunction with Super Bowl LX, Comcast’s Xfinity announced the launch of what they call “RealTime4K”, a new ultra-low-latency technology with a 30 Mbps bitrate supporting Dolby Vision HDR and Dolby Atmos. Comcast is positioning RealTime4K as a 4K delivery architecture designed specifically for premium live sports and optimized for both speed and visual fidelity. This technical presentation will detail how Comcast’s technology reduces latency while maintaining high-bitrate video and will highlight source feeds, protocols, encoding pipelines, packaging and end-user hardware support.

Speaker: Derik Yarnell, Principal Architect, Comcast

Location: Streaming Summit

April 21, 2026