HDR

Color & resolution

High Dynamic Range — brighter highlights and deeper shadows than SDR.

HDR requires at least 10 bits per channel, a wide-gamut color space (Rec. 2020) and an OETF such as PQ (HDR10) or HLG. Among image formats AVIF and JPEG XL support HDR; WebP and classic JPG do not.

Sources:ITU-R BT.2100

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