Скачать или смотреть What is Source Based Tone Mapping?

Source-Based Tone Mapping (SBTM) is a new technology developed by the HDMI Forum to solve a specific problem. The problem is an inconsistent viewing experience when the source device (set-top box, gaming console, PC, etc.) has some combination of HDR, SDR, dynamic HDR and graphics overlays on the same screen simultaneously. The result can be an image that doesn’t look right with overly bright or dark areas and distorted colors.

HDMI mentions an example which is a menu of video thumbnails from a streaming service provider. Some of the thumbnails might be HDR, and others might be SDR, and the menu is rendered using graphics. Another example is a game with a mixture of HDR game action, SDR video, and graphics overlays.

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