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Chart showing a conventional SDR gamma curve and the hybrid log–gamma curve. HLG uses a logarithmic curve for the upper half of the signal values, which allows for a larger dynamic range. HLG is an HDR format that uses the HLG transfer function, BT.2020 color primaries and a bitdepth of 10-bit. [8] HLG was designed to be backward compatible ...
HDR10 Media Profile, more commonly known as HDR10, is an open high-dynamic-range video (HDR) standard announced on August 27, 2015, by the Consumer Electronics Association. [1] It is the most widespread HDR format. [2] HDR10 is not backward compatible with SDR. It includes HDR static metadata but not dynamic metadata.
The dynamic metadata are used to adjust and optimize each frame of the HDR video to the consumer display's capabilities in a way based on the content creator's intentions. HDR10+ is an alternative to Dolby Vision, which also uses dynamic metadata. [3] HDR10+ is the default variant of dynamic metadata as part of the HDMI 2.1 standard. [4]
Some HDR formats (such as Dolby Vision and HDR10+) allow the content creator to choose how the adjustment will be done. [6] Other HDR formats, such as HDR10 and hybrid log–gamma (HLG), do not offer this possibility, so the content creator's intents are not ensured to be preserved on less capable displays. [10]
Different HDR versions include the standard and most common HDR, as well as more specialized HDR-10, HDR-10+, Dolby Vision, and HLG (Hybrid Log Gamma), designed to deliver HDR benefits to lower ...
Hybrid log–gamma: HLG is a transfer function developed by NHK and BBC for HDR and offering some backward compatibility on SDR displays. HLG is a hybrid transfer function in which the lower half of the signal values use a gamma curve and the upper half of the signal values use a logarithmic curve. [12] [13] It is standardized in Rec. 2100. [10]
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However, the No. 3 spot in the senate will have new representation. ‘It’s A Setback': Democrats Criticize Biden Over Hunter Pardon. Senate Majority Leader Chuck Schumer, D-N.Y., arrives for ...