Leveraging The Avixa Image System Contrast Ratio (ISCR) Standard

by Bob Raikes

What They Say AV trade association and event and training supplier, Avixa, has released a new standard for Image System Contrast Ratio (ISCR), aimed at helping those specifying and installing AV systems to define …

Tags:Avixa (was Infocomm)| Contrast| Pro AV

Can a Display Be Too Bright?

by Pete Putman

The HPA (Hollywood Professionals’ Association) Tech Retreat is an event that I have always wanted to attend, but Pete always did and it was hard to justify the cost of a trip. However, the …

Tags:Cinema| Contrast| Home Theatre| Projectors

Why it’s Important to Question the Dynamic Contrast Ratio

by Artem Alekseenko

There are a plethora of factors to consider when choosing a projector, whether it be for an office conference room, lecture theatre or home cinema. Opinions vary when it comes to certain features, as …

Tags:Contrast| Projectors

Black Level Visibility Study

by Chris Chinnock

Dolby Labs and contributors at EPFL reported at the HPA Retreat on a new study they recently undertook. The goal was to understand how the perception of black level was affected by the eye’s …

Tags:Contrast| Dolby| HDR - High Dynamic Range| HPA Tech Retreat| Large Display Monitor| Vol 25 - Issue 08

Dolby contrast

Dolby Describes Theater Contrast Model and Measurement Data

by Chris Chinnock

Marty Richards of Dolby Laboratories presented a model for evaluating the actual contrast in a theater and then validated this model by showing data from several Dolby Vision theaters. The effort is similar to …

Tags:Cinema Projection| Contrast| Dolby Vision| Large Display Monitor| SMPTE 2017| Vol 24 - Issue 41

Is it Time to Consider Measuring Displays in their Use Case Environment?

by Chris Chinnock

Display performance is always measured in a very dark room, which is important if you want to know the limits of their performance. But display-based products are rarely viewed in real applications in a …

Tags:Contrast| Display Metrology| OLED Fabs| QLED| Vol 24 - Issue 25

Eizo CG3145

How Black is Black?

by Bob Raikes

I was recently at the ProLight & Sound Show in Frankfurt and saw that a significant topic was the use of ‘black’ LEDs and it made me think about black in displays. Those outside …

Tags:Broadcast Monitors| Contrast| Eizo| Projectors| Vol 24 - Issue 16

Don’t Bet Against LCD Improvements

by Bob Raikes

There were no particular events to report this week, although Chris was away at I/ITSEC in Florida – a bit warmer than the weather here! I was interested to see the story about the …

Tags:Contrast| Dolby| Editorial| Large Display Monitor| Mobile Display Monitor| sharp| Vol 23 - Issue 47

Barco Performs Shadow and Highlight Measurements in a Theater

by Chris Chinnock

Last year, Barco presented a contrast model for the cinema that predicted real contrast values taking into account the projector, screen, and environment. They concluded that one starts to see diminishing returns in creating …

Tags:Cinema| Contrast| HDR - High Dynamic Range| Large Display Monitor| SMPTE 2016| Vol 23 - Issue 43

ICDM Updates Contrast Metrology Text

by Chris Chinnock

SID’s International Committee on Display Metrology (ICDM) held an evening meeting at DisplayWeek. The main business was to vote on some new language that was added to one measurement technique and a second section …

Tags:Contrast| ICDM| Large Display Monitor| Mobile Display Monitor| Resolution| SID Display Week 2016| Vol 23 - Issue 21

Measuring Cinema Contrast – an Update

by Chris Chinnock

Miller Schuck from RealD also gave a presentation on work they have done to understand the real contrast in a theater and how that might impact the design of a HDR projector. Schuck gave …

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