Chris Chinnock

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Netflix More Open on 4K and HDR Plans

by Chris Chinnock

We had a chance to talk to Netflix at the SMPTE conference about a range of topics. We found them quite open to discussing details. For example, the company is now requesting that all …

Tags:Large Display Monitor| Netflix| SMPTE 2015| Vol 22 - Issue 44

SMPTE Trade Show Floor Updates

by Chris Chinnock

Our meetings in the SMPTE Exhibition area focused on display technology. At 3M, we saw numerous demonstrations of quantum dot displays integrated into products. 3M manufactures the QDEF film that contains quantum dots from …

Tags:3M (MMM)| Asus| Broadcast Monitors| Large Display Monitor| Nanosys| Quantum Dots| SMPTE 2015| Vol 22 - Issue 44

LCD Overdriving Circuits Contribute to Visual Artifacts

by Chris Chinnock

Andy Rosen from Bitlogic and Dan Brunner from Microsoft gave a compelling demonstration in the Display session at the SMPTE conference where they showed some interesting artifacts that they say are attributable to the …

Tags:Desktop Monitors| HFR - High Frame Rate| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44

The BBC Explains Scene and Display Referred Systems and Impact on HLG

by Chris Chinnock

The terms “scene referred” and “display referred” have come up a lot lately in discussions about HDR workflows and the transforms needed to capture and display this wider dynamic range content. A paper by …

Tags:HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44

The BBC Explains Hybrid Log Gamma for HDR

by Chris Chinnock

A paper by Tim Borer and Andrew Cotton from the BBC Research & Development team at the SMPTE fall conference shed more light on what Hybrid Log Gamma (HLG) is and why it may …

Tags:HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44

We Need a New Vocabulary for Image Quality

by Chris Chinnock

Josef Marc of Archimedia Technology gave a presentation that resonates well with me – and perhaps with the audience. He espoused that the way we talk about image quality and control its attributes are …

Tags:Large Display Monitor| SMPTE 2015| TV Viewing| Vol 22 - Issue 44

3M Advances 2020 Primary Tolerances Work

by Chris Chinnock

At last year’s SMPTE conference, James Hillis from 3M described some tests they had done to try to determine how far the 2020 color primaries can move and still be indistinguishable from a true …

Tags:Colour Certification| Large Display Monitor| Rec 2020| SMPTE 2015| Wide Colour Gamut (WCG)

The Problem with the “Standard Observer”

by Chris Chinnock

Much of the color standards and color calibration methods and instruments are based upon the “standard observer.” This is supposed to represent the average human’s color perception, as defined in 1931. But there is …

Tags:Colour (Color)| Colour Quality| Large Display Monitor| Rec 2020| SMPTE 2015

Metamerism Updates from David Long

by Chris Chinnock

It is possible for a variety of spectrally unique (and different) stimuli to produce identical visual responses. Spectrally variant color stimuli that are perceived identically are known as metamers. With display-­rendered imagery, the objective …

Tags:Large Display Monitor| Laser Projectors| Rec 2020| SMPTE 2015| Vol 22 - Issue 44| Wide Colour Gamut (WCG)

ST 2094 Focuses on Dynamic Metadata (part 2)

by Chris Chinnock

ST 2094 is quite flexible allowing the use of windows to do specific transforms. That means a window may be used to apply a different transform for a bright highlight or dark region of …

Tags:Colour Management & Processing| Colour Quality| HDR - High Dynamic Range| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44

ST 2094 Focuses on Dynamic Metadata (part 1)

by Chris Chinnock

One of the big areas of focus at the SMPTE conference was the need to ensure that the wide range of luminance and color carried in HDR signals will map correctly in SDR displays …

Tags:Colour Management & Processing| Large Display Monitor| SMPTE 2015| Vol 22 - Issue 44| Wide Colour Gamut (WCG)