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Technical & Editorial

Professional Display Calibration: What It Is and What It Means to Your Home Theater Experience

display-calibration-teaser.jpg For the past three years or so, we have seen a tremendous surge in display technology.  During this time, the last rites for the venerable CRT have been read, 50" displays have become the new 32", and 1080p has become the de facto standard for resolution.  One thing hasn’t changed however and that is the need for precise calibration of your HDTV.  Despite tremendous advances in consumer displays, the specifications for color, grayscale, and gamma have not changed since the 1950s.  With all these new features available, it has become more confusing than ever for the typical home theater enthusiast to achieve a correct calibration and realize the best performance from your flat panel or projector HDTV.

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Vinyl vs. CD - A Running Commentary - Parts 1 - 5

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When attending CES and Rocky Mountain Audio Fest over the past couple of years, I noticed that turntables are starting to be the majority of sources for exhibit rooms. We all have heard about the vinyl renaissance, but I just did not realize how strong it is. I mean, LPs are being played everywhere at hi-fi shows.

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How a Hole-in-the-Box Works

Even though loudspeakers utilizing bass reflex techniques (i.e., ported or passive radiator designs) are quite common, or maybe even the norm if you carouse the average audio/video retailer. There are, however, many misconceptions about how a bass-reflex system works . . .

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How to Replace the Hard Drive in Your iPod

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Now that the Apple Lossless codec is available, do you wish you had a larger hard drive in your iPod? Or, is your iPod hard drive just not working anymore? Here is how to switch it out.

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Understanding Contrast Ratios in Video Display Devices

When we shop for a projector, one of the specifications that we really want to be aware of is the Contrast Ratio (CR). In general, we know that it is the relationship between the black and white levels that a projector can show ...

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Generosity - The Making of an Indie Film - Part II - Pre-production

Generosity is an Indie film in the process of being made. In August of 2007, we talked about Part I - The Writing, and in Part II, we cover Pre-production. If you want to see what a zoo it is to make a movie, get a load of this.

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Using the Auto Set-up and EQ Features in an SSP or Receiver

Many surround sound receivers and processors these days offer an "Auto" set-up routine that attempts to configure the basic set-up for the consumer, including whether a speaker should be high-passed or not, which frequency to high-pass it at if applicable . . .

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A New Way to Plot Speaker Impedance: the Smith Chart

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Impedance is the extension of the idea of electrical resistance to AC signals (like music). In high school, we all likely learned Ohm's law at some time or another. Whether we remember it or not is another story! Luckily, the refresher course is easy. Resistance is a way of relating voltage and current in a simple DC circuit.

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DVI and HDMI Connections and HDCP Explained

Recently I have had a barrage of e-mails from friends and readers asking why HDTV connectivity is so complicated. I found myself sending out the same advice and comments over and over, so I wanted to share some of this advice. DVI (Digital Video Interface) . . .

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DVD Benchmark - Part 6 - DVD-Audio

In mid-2000, after a long delay for a variety of issues, DVD-Audio (DVD-A) was given an inauspicious launch with the arrival of the first DVD-Audio players. It's been over a year since the first players have hit the market, and this marks our first foray into a background article explaining the technology behind DVD-Audio . . .

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Video Resolution . . . Simplified

Even though we've discussed video resolution in the pages of Secrets more than once, a real understanding of it still eludes a large number of people that I've encountered recently . . .

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