Author Archives: Stephen Dawson

High Frame Rate cinema

A while back Simon Reidy, commenting on another post, wondered about my views on 48fps cinema. This has arisen because Peter Jackson previewed some of his forthcoming movie, The Hobbit, which is shot at 48fps, to a group of industry … Continue reading

Posted in Video | 2 Comments

3D display brightness

Reader Ryan has pointed me at a slightly old (in 3D talk, August 2011 is old) discussion of Active vs Passive 3D technology in Audioholics. Many of the points it makes are well founded, but it also demonstrates a misunderstanding … Continue reading

Posted in 3D, How Things Work, Video | 2 Comments

Free Blu-ray disc

Would you like a free Blu-ray disc? First you’ll have to work out what it is from the code to the right. Pre-production disc Koupit Cialis , with no label, box etc, but content is the same as the bought … Continue reading

Posted in Blu-ray, Giveaway | 2 Comments

It’s all about the context

In a post a couple of days ago I showed how easily the perception of colour can be shifted. The same applies the sense of lightness or darkness. Here is one manipulated position of the ‘Koffka Ring’. What’s interesting here … Continue reading

Posted in Imperfect perception, Testing | Leave a comment

Details, 3D details

In comments Gregory suggested that a proper test for resolution of 3D systems might involve such things as the perceptibility of really small text. I agree entirely. And apparently such tests have been done. These are recounted to some extent … Continue reading

Posted in 3D, Testing | 3 Comments

Deceived by your eyes

In the previous post I developed some test patterns which I claimed consisted of pixel-wide red lines and green blue lines. To make things clearer, I tripled their size on the screen so that you could see the alternate lines. … Continue reading

Posted in 3D, Imperfect perception, Testing | Leave a comment

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Time to retune your digital TV and PVRs. It seems that a new station has appeared out here in the sticks. It’s called ‘WIN Gold’, and is honestly labelled on its EPG as offering nothing but ‘Infotainment’, although when I … Continue reading

Posted in DTV | 1 Comment

Passive 3D test patterns – working out how things work

So, in a rush on Friday I claimed that the new LG TV I was reviewing delivered its 3D signal in a particular way. I should specify my method. First: an assumption. Necessarily my tests were conducted by providing the … Continue reading

Posted in 3D, Testing | 4 Comments

What is half resolution?

In previous posts on 3D I have discussed how passive 3D TVs are only half resolution because half the original data is thrown away. That no longer seems to be the case with LG TVs with a recent firmware upgrade, … Continue reading

Posted in 3D, Testing, Video | 1 Comment

Live blog: LG Passive 3D resolution

This morning a shiny 55 inch LG 55LM9600 (the company’s current top of the line model) turned up. I’ve installed it quickly. After doing the physical stuff I made it do a factory default system reset so the TV was … Continue reading

Posted in 3D, Testing | 1 Comment