Category Archives: Testing

The (black) magic of HDMI

Posted on November 7, 2013 by Stephen Dawson

Weird evening. I want to measure the frequency responses of some sound bars with a focus on the bass end. First problem, my M-Audio Fast Track Pro microphone pre-amp/DAC won’t work. My recording software tells me that there’s an incompatible … Continue reading →

Posted in HDMI, Testing | Leave a comment

Efficiency

Posted on May 10, 2013 by Stephen Dawson

I’ve just installed Samsung’s new top of the line 64 inch plasma. Looks like it’s a pretty good TV Kup LevitrÄ™ bez recepty kamagra pills , but the reason I’m writing this is simple: I did it all by myself, … Continue reading →

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Do you have a recent full HD Samsung TV?

Posted on July 26, 2012 by Stephen Dawson

If so, can you do me a favour? A number of Samsung TVs I’ve reviewed lately are unable to apply the ‘Screen Fit’ aspect ratio to HDTV. But that might be due to all the 1080i stations in Canberra broadcasting … Continue reading →

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Beware the expert

Posted on July 24, 2012 by Stephen Dawson

There are advantages to old-fashioned analog music, according to some audiophiles. “There is a fuller sound to it, and more depth to the sound,” said Ryan Holiday, the New Orleans-based marketing director for American Apparel. He’s a new devotee of … Continue reading →

Posted in Analogue, Testing, Vinyl | 1 Comment

It all depends on the model: further on LG passive 3D

Posted on June 20, 2012 by Stephen Dawson

Well, there I was, once again incorrectly, thinking that the whole matter of passive 3D was settled. A couple of weeks ago I established, I think, that the current top of the line LG TV, the 55LM9600, uses two different … Continue reading →

Posted in 3D, Testing | 1 Comment

Do manufacturers listen to their home theatre receivers?

Posted on June 11, 2012 by Stephen Dawson

I’ve just drafted yet another review of yet another home theatre receiver which, goddam it, buggers up the sound! The reason? Supposedly clever sound processors from third party suppliers. With this one it was Dolby Volume. With another couple I’ve … Continue reading →

Posted in Audio, Testing | 19 Comments

It’s all about the context

Posted on May 7, 2012 by Stephen Dawson

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

Posted on May 6, 2012 by Stephen Dawson

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

Posted on May 3, 2012 by Stephen Dawson

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

Passive 3D test patterns – working out how things work

Posted on May 2, 2012 by Stephen Dawson

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