KONA Capture, Display, Convert v15.2 65 www.aja.com
HDMI HDR Screen in 4K Mode
Figure 42. HDMI HDR Screen with 4K Primary Format
The HDMI-HDR screen, available in KONA 5 the 4K mode of KONA 4, provides
a mechanism to inform an HDMI display device (such as a TV or monitor) that
the video content is HDR. This includes generation of the Dynamic Range and
Mastering Infoframe and the static metadata descriptors as defined in CTA-861.3
and HDMI v2.0a. Included are pre-defined primaries values for BT.2020 and DCI P3
color gamuts.
HDR Mode
• Off - HDR Mode disabled (default).
• DCI-P3 D65 - Only Display Mastering Luminance available for Digital
Primaries.
• BT.2020 - Typically used with HDR.
• Custom - Allows custom values for the Digital Primaries.
EOTF
The Electrical Optical Transfer Function metadata bit tells the HDMI display which
EOTF to use. Most TV’s will require this to be set to ST 2084 for their HDR modes.
• Trad Gamma SD
• Trad Gamma HD
• ST 2084 (HDR-10)
• HLG (Hybrid Log Gamma) - No meta-data for Digital Primaries.