HDMI 2.1a makes standard an even bigger mess

Stefan Mileschin · 31st December 2021, 05:43

Still you get Source-Based Tone Mapping

HDMI 2.1 standards are a confusing mess making setting up devices unnecessarily harrowing experience. Now it is going to get worse as the HDMI Forum has issued the HDMI 2.1a standard which means bigger headaches.

HDMI 2.1a adds Source-Based Tone Mapping, or SBTM. SBTM is a new HDR feature that offloads some of the HDR tone mapping to the content source (like your computer or set-top box) alongside the tone mapping that your TV or monitor is doing.

SBTM is intended to help existing HDR setups work better by letting the content source better optimise the content it passes to the display or by removing the need to have the user manually calibrate their screens for HDR by having the source device configure content for the specific display.

https://fudzilla.com/news/graphics/5...en-bigger-mess

31st December 2021, 05:43	#1
Stefan Mileschin [M] Reviewer Join Date: May 2010 Location: Romania Posts: 148,797	HDMI 2.1a makes standard an even bigger mess Still you get Source-Based Tone Mapping HDMI 2.1 standards are a confusing mess making setting up devices unnecessarily harrowing experience. Now it is going to get worse as the HDMI Forum has issued the HDMI 2.1a standard which means bigger headaches. HDMI 2.1a adds Source-Based Tone Mapping, or SBTM. SBTM is a new HDR feature that offloads some of the HDR tone mapping to the content source (like your computer or set-top box) alongside the tone mapping that your TV or monitor is doing. SBTM is intended to help existing HDR setups work better by letting the content source better optimise the content it passes to the display or by removing the need to have the user manually calibrate their screens for HDR by having the source device configure content for the specific display. https://fudzilla.com/news/graphics/5...en-bigger-mess

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