HDR Standards & Formats 4

Question 1

What is the bit depth requirement for Dolby Vision content in Profile 5 (OTT streaming)?

Accepted Answer

12-bit

Answer

8-bit

Answer

10-bit

Answer

14-bit

Question 2

Which HDR standard was co-developed by BBC and NHK and is specifically engineered for live broadcast compatibility with SDR receivers?

Accepted Answer

Hybrid Log-Gamma (HLG)

Answer

HDR10+

Answer

Dolby Vision

Answer

SMPTE ST 2084 PQ

Question 3

In HDR10 static metadata, what does MaxFALL represent?

Accepted Answer

The average light level of the brightest frame in the entire program

Answer

The peak brightness of the brightest single pixel in the entire program

Answer

The average light level across all frames weighted by runtime

Answer

The minimum luminance of the mastering display

Question 4

The Consumer Electronics Association specification CEA-861.3 addresses HDR by defining how metadata is carried in which signal path?

Accepted Answer

HDMI static HDR metadata in the InfoFrame

Answer

USB 4 video alternate mode

Answer

DisplayPort auxiliary channel

Answer

HDCP 2.3 encryption handshake

Question 5

Which codec is mandated for encoding HDR10+ content in the Amazon Prime Video streaming pipeline?

Accepted Answer

HEVC (H.265)

Answer

AV1

Answer

VP9 Profile 2

Answer

H.264 High 10 Profile

Question 6

What is the purpose of the Reference White in HLG's scene-referred system?

Accepted Answer

It acts as the anchor signal level (75% HLG) that maps to 203 nits on a reference monitor

Answer

It defines 100 nits output for all HLG-compatible displays regardless of peak brightness

Answer

It sets the absolute maximum encoded luminance at 1,000 nits

Answer

It calibrates the camera's exposure index during acquisition

Question 7

Which organization administers the HDR10+ logo licensing program and certification process?

Accepted Answer

HDR10+ Technologies, LLC (a joint venture of Samsung and Amazon)

Answer

Dolby Laboratories

Answer

ITU-R

Answer

SMPTE