ISF HDR Standards & Tone Mapping 2

Question 1

What key feature distinguishes Dolby Vision from HDR10?

Accepted Answer

Dynamic metadata updated per scene or frame

Answer

Higher peak luminance support

Answer

Wider color gamut coverage

Answer

Lower bandwidth requirements

Question 2

What is the primary purpose of tone mapping in HDR content delivery?

Accepted Answer

To adapt HDR content for displays with lower peak luminance capability

Answer

To convert SDR content to HDR

Answer

To increase color saturation in highlights

Answer

To correct gamma curve errors

Question 3

What color gamut container is specified for HDR10 color primaries?

Accepted Answer

BT.2020

Answer

sRGB (BT.709)

Answer

DCI-P3

Answer

AdobeRGB

Question 4

What does MaxFALL (Maximum Frame Average Light Level) measure in HDR10 metadata?

Accepted Answer

The maximum average luminance value of any single frame

Answer

The peak luminance of the mastering display

Answer

The average luminance across the entire program

Answer

The minimum frame luminance in the content

Question 5

HDR10+ was developed as a royalty-free alternative to Dolby Vision. Who created it?

Accepted Answer

Samsung and Amazon Video

Answer

Dolby Laboratories

Answer

BBC and NHK

Answer

Sony and Netflix

Question 6

How does the HLG transfer function achieve backward compatibility with SDR displays?

Accepted Answer

Its lower signal portion follows a gamma curve matching SDR, while the upper portion uses a logarithmic curve

Answer

It uses PQ encoding — compatible via firmware update

Answer

It embeds an SDR downconvert track alongside the HDR signal

Answer

It uses linear transfer — needs no conversion

Question 7

What is the nominal reference white luminance level for HLG broadcast signals?

Accepted Answer

203 nits

Answer

100 nits

Answer

400 nits

Answer

1,000 nits