HDR Standards & Formats 3

Question 1

What is the maximum signal level (in nits) that the HLG system is designed to represent at 100% signal value?

Accepted Answer

HLG is scene-referred and has no absolute nit ceiling

Answer

400 nits

Answer

1,000 nits

Answer

10,000 nits

Question 2

SMPTE ST 2086 defines metadata that describes which aspect of HDR mastering?

Accepted Answer

Mastering display color volume including primaries, white point, and min/max luminance

Answer

Dynamic tone mapping curves for each scene

Answer

Audio loudness normalization for HDR content

Answer

Frame-rate conversion parameters for HDR streams

Question 3

Which HDR format allows content creators to embed 'trim passes' that optimize appearance on displays with different peak luminance levels?

Accepted Answer

Dolby Vision

Answer

HDR10

Answer

HLG

Answer

HDR10+

Question 4

What does the acronym MaxCLL stand for in HDR metadata standards?

Accepted Answer

Maximum Content Light Level

Answer

Maximum Chrominance Luminance Level

Answer

Maximum Color Luma Limit

Answer

Maximum Calibrated Luminance Level

Question 5

In the context of HDR standards, what does 'electro-optical transfer function' (EOTF) describe?

Accepted Answer

How the display converts a digital code value to emitted light

Answer

How the camera sensor converts photons to an electrical signal

Answer

How the colorist adjusts saturation in post-production

Answer

How audio is synchronized with HDR video

Question 6

Which wide color gamut standard, often paired with HDR, covers roughly 75.8% of the CIE 1931 color space?

Accepted Answer

Rec. 2020 (BT.2020)

Answer

sRGB

Answer

DCI-P3

Answer

AdobeRGB

Question 7

Technicolor Advanced HDR (SL-HDR2) is notable for which capability compared to other HDR systems?

Accepted Answer

It is backward-compatible with SDR displays without a separate SDR version

Answer

It requires no metadata of any kind

Answer

It uses 16-bit encoding for all content

Answer

It embeds HDR data in the audio track