UHD Premium – ny standard for de bedste TV

Webmaster - Bo Kjærgaard5. januar 2016

Sammenslutningen UHD Alliance, der består af TV producenter, Hollywood-studier med flere, har præsenteret et ny logo og specifikation, der skal gøre der enklere at finde de fladskærme, der understøtter de nyeste standarder og teknologier.

Blandt andet så understøtter Samsungs 2016 SUHD TV alle denne nye standard.

UHD Premium

Standarden beskrives som følgende af UHD Alliance

UHD Premium omfatter

Devices (currently, television displays, with other devices under consideration)
Distribution
Content

Devices
The UHD Alliance supports various display technologies and consequently, have defined combinations of parameters to ensure a premium experience across a wide range of devices. In order to receive the UHD Alliance Premium Logo, the device must meet or exceed the following specifications:

Image Resolution: 3840×2160
Color Bit Depth: 10-bit signal
Color Palette (Wide Color Gamut)
Signal Input: BT.2020 color representation
Display Reproduction: More than 90% of P3 colors
High Dynamic Range
SMPTE ST2084 EOTF
A combination of peak brightness and black level either:
- More than 1000 nits peak brightness and less than 0.05 nits black level
  OR
- More than 540 nits peak brightness and less than 0.0005 nits black level

Distribution
Any distribution channel delivering the UHD Alliance content must support

Image Resolution: 3840×2160
Color Bit Depth: Minimum 10-bit signal
Color: BT.2020 color representation
High Dynamic Range: SMPTE ST2084 EOTF

Content Master
The UHD Alliance Content Master must meet the following requirements:

Color Bit Depth: Minimum 10-bit signal
Color: BT.2020 color representation
High Dynamic Range: SMPTE ST2084 EOTFThe UHD Alliance recommends the following mastering display specifications:
Display Reproduction: Minimum 100% of P3 colors
Peak Brightness: More than 1000 nits
Black Level: Less than 0.03 nits