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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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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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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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THX-Certification

THX is almost a quarter century old, and its Consumer Branch has been around since 1990, yet people still do not have a proper understanding of THX.  Maybe that's THX's fault, maybe it's ours (the press) . . .

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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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The Secrets SSP (Surround Sound Processor) Benchmark Specifications

The Secrets DVD Benchmark has been remarkably popular, but in an of itself not all that remarkable or unexpected.  What took us off guard is that it has been equally popular with our readers and manufacturers of the equipment.

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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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The Misunderstood 0.1 LFE Channel in 5.1 Digital Surround Sound

In 5.1 digital surround sound, the 0.1 channel is called the LFE or Low Frequency Effects channel. While in the commercial system it is referred to as the subwoofer channel, this is not necessarily true for home theater setups.

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