Archive | Commentary

Blog commentary posts on AV, Computer, and Calibration topics.

2014 CEDIA Expo Preview

The 2014 CEDIA Expo starts today, September 10th in Denver, Colorado with a press preview day. The show floor opens on Thursday morning and there is a lot of excitement about what is going to be on the floor. There are quite a few things we know are going to be out in force, along with the usual surprises.

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RGB: Full vs. Limited

When using a Blu-ray player or a video game system, you often have many color space selections to choose from. The most common choices available are YCbCr, 4:2:2, 4:4:4, RGB, RGB Full or Enhanced, and RGB Limited. For the most part they output the same content in different ways except for RGB Full. So what does this Color Space control mean, and how should you select it?

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Touring CNet’s Testing Labs

The testing setup that I am always in awe of it the one that CNet has. While most of us have to do our testing in a vacuum and rely on subjective memory or our objective test data, CNet has access to almost all the recent, popular displays. The room design enables them to do side-by-side comparison of many displays so they can compare them and not rely on their memory. Since I was in Manhattan for something, I decided to pay a visit to see how their test lab works.

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Which Gamma is Correct?

As 2014 TVs begin coming out, I’ve been rethinking how I properly attempt to calibrate them. While measuring the grayscale and color gamut are easy, picking the correct gamma is hard to decide. There are many factors that come into play, from the room and environment to the capabilities of the display itself. It makes a large difference in how we see an image as well as you see the picture above with the different sides using different gammas. To try to come to a consensus on what gamma is correct for a review, I talked to other reviewers and experts to get their feedback.
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4K Streaming: Guessing at Quality

CES 2014 provided many announcements about 4K streaming services coming to us this year. The largest player is Netflix, as they have the largest subscriber base, but Amazon, Comcast, DirecTV, and more jumped onto the 4K streaming bandwagon. While these announcements are often light on the details, Netflix came out at the Sony press conference to say that you only need 15 Megabits/second to provide 4K streaming. With that in mind, I wanted to look at what sort of performance we might expect to see.

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Audiophiles are OK

If you hear the term “audiophile” you probably visualize the worst possible example. Special cable risers to keep them off the floor, special mats to place on top of a CD while playing it, and refusing to listen to a component until it has been powered on for a week straight to break in. This stereotype of a person is one that most of us do not want to be identified as.

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