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CES 2008 Show Report Part 4

show-report-ces-2008-teaser.jpgCES - 2008 - Show Report Part 4

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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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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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Secrets Best of 2007 Product Awards

The Secrets Best of 2007 Product Awards, featuring the following categories: Video Processing Technologies, Subwoofers (full size), Subwoofers (compact), DVD Video Players, HD DVD Players, Blu-ray Disc Players, Wireless Music Servers, Surround Sound Processors, Video Processors, DLP Projectors (1080p), Cables (high end), Speakers (bookshelf), Earphones, Speaker Stands, HDMI Cables, Speakers (planar), Shakers, Subwoofers (in-wall), Cables (budget), Video Cameras (high definition), LCD Projectors (1080p), Speakers (floor standing), HDTVs (LCD), HDTVs (Plasma), AV Receivers, Video Servers, Preamplifiers, Subwoofers (mid-size)

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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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Interviews: CEDIA - 2007

For CEDIA - 2007, we recorded four different segments to try the HD format out. They are encoded as *.wmv files, so you will need the latest Microsoft Windows Media Player to view them in HD.

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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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Show Report: CEDIA - 2007

CEDIA show reportThese days, custom installation is the thing, probably because home theater is the thing, and putting in a good home theater is not for the faint hearted. There are so many details to worry about, so much equipment, so many cables . . .

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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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Rocky Mountain Audio Fest - 2007

Rocky Mountain show reportThis is the fourth year of the Rocky Mountain Audio Fest (RMAF), which was held at the Denver Technical Center, just outside of Denver, Colorado.

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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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