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BT.2100

ITU-R BT.2100-0 (07/2016)

Reference Name: ITU-R BT.2100

Definition: ITU-R BT.2100-0: Image parameter values for high dynamic range television for use in production and international programme exchange

Responsible Organization: International Telecommunication Union

Contact Information:
ICC Technical Secretary
email: green@colourspace.demon.co.uk


DOCUMENTATION

Documentation source ITU Recommendation BT.2100-0 (07/2016)


ENCODING CHARACTERISTICS

Color space

Type: Colorimetric RGB color space

RGB primaries:
    x   y   z
R 0.708 0.292 0.0
G 0.17 0.797 0.033
B 0.131 0.046 0.823

White point chromaticity: x = 0.3127, y = 0.3290 (D65)

Color component transfer function: See ITU-R BT.2100-0 (07/2016) for PQ and HLG transfer functions

Reference viewing environment

Background and Surround: Neutral grey at D65

Brightness of background: 5 cd/m2

Brightness of surround: ≤ 5 cd/m2

Display peak luminance: ≥ 1000 cd/m2 (specular highlights only; diffuse white typically 100-300 cd/m2)

Black point luminance: ≤ 0.005 cd/m2

Encoding

Range: See ITU-R BT.2100-0 (07/2016) for narrow range and full range encodings

Bit depth: 10 or 12 bit integer, 16-bit float


HINTS FOR PROFILE MAKERS

See Transforming via the ICC PCS for details on the derivation and use of D50 adapted data, chromatic adaptation matrix and measurement corrections.