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Electrical Interference on Your Home Systems


Electronic Noise Is Drowning Out the Internet of Things

Our increasingly connected world needs better protection against RF noise pollution

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Should you buy a 4K TV? Pros and cons.


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Dolby Atmos Explained


Dolby Press Release:

Dolby Atmos®, the revolutionary cinema sound technology, has come to home theaters.

With Dolby Atmos, content creators can precisely place and move sounds anywhere in your
living room, including overhead, to make entertainment incredibly immersive and lifelike.
This white paper is designed to explain how Dolby Atmos will work in home theaters…

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Understanding receiver and amplifier power


02.14.2008 — It’s no secret that it takes a lot of knowledge to truly understand the world of home audio, which is littered with confusing numbers and terms.

Wattage, current, distortion, frequencies, and impedance are just a few of the specifications anyone looking for an amplifier of home theater receiver is going to come across.

With the thousands of choices in…

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THX Overview


What is THX? And how does it relate to Dolby Digital and DTS Digital Surround?

First, it is important to realize that THX is a quantitative measure of quality that works in conjunction with the different surround sound formats (e.g., Dolby Digital and DTS) to bring the quality of the sound presentation to the highest standards.

To ensure the highest possible…

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What's The Reason Behind TV Sizing?


LCDs are made, several at a time on larger sheets of glass (called a mother-glass) and “cookie cut” into smaller displays. Determining how many LCDs to cut from a mother-glass is a balance of pricing and geometry. In general, larger displays sell for more per square inch than smaller displays, so there is an incentive to make as few cuts as possible.…

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Smart TV Explained


What does smart TV mean?

Like a smartphone, a smart TV offers a number of "Internet-connected services" that normal televisions can't offer. It has the equivalent of a computer built into it, giving you a greater number of services. These televisions offer apps, media streaming, Web browsing, games and, perhaps most importantly, Internet Protocol Television (IPTV).…

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How 3D Works


If you were just wondering – “How does a 3D TV work?“, then this guide is perfect for you.

Ever since Hollywood began it’s recent push towards 3D with animated movies such as Beowulf, Pixar’s brilliant “Up” and of course, most recently with James Cameron’s spectacular “Avatar”, many of us have begun to fall in…

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4K Projector and Video Technology


4K is an emerging standard for resolution in digital film and computer graphics. The name comes from its approximately 4,000 pixels of horizontal resolution. The fact that it describes the horizontal resolution is contrary to the standard resolutions 720p and 1080p, which represent the number of vertical pixels. 4K represents the horizontal resolution because there are…

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Front Projector Technology


By Shane Buettner • August, 2007

Two (And A Half) Basic Flavors

I'd love to regale you all with stories of the CRT front projectors of yesteryear. These beasts were bigger than a VW, but cost a lot more. But that's not why I'm here. Thanks to the digital revolution, high quality front projection is now as affordable as premium rear…

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Whole House Music Systems


OVERVIEW

Of all the electronic amenities available to a new home, none are quite as enjoyable as a whole-house music system. Distributing tunes from one stereo system to speakers in far corners of a house is nothing new. Handy homeowners have been stringing wire from their stereo receivers to new speakers for years. But there is a limit to how many speakers a standard…

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Speaker Technology Primer


By Thomas J. Norton • August, 2007

Speakers are available in a bewildering variety of styles, sizes, and technologies. On the technical side, the vast majority are conventional box designs using one or more drivers—most commonly a single cone woofer for the bass and midrange, a single dome tweeter for the treble, and a crossover network to divide and route the appropriate…

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Structured Wiring FAQ


What is Structured Wiring and why should I have it in my home?

Structured Wiring is simply an advanced wiring system roughed into your new home that allows the homeowner to take advantage of new technologies and services that are available now and in the future. Examples of this are home office, high speed Internet via telephone company or cable…

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Surround Sound Formats Today


Despite the heavy emphasis on video over the past 15 years, the evolutions of home audio and video have actually taken nearly identical paths.

Looking back on the home A/V market in the mid 1990s the industry began a transition away from the VCR and its low-resolution video and Dolby Pro Logic audio technologies into the DVD optical disc format.

As everyone knows the…

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Room Accoustics


Rooms resonate just like organ pipes. The room is an unwanted extra instrument playing along with the musicians. The design goal for a good music room is to minimize this coloration, which is strongest at bass frequencies between 20 and 200 Hz. At higher frequencies the room still has an influence, but resonances are much less of a problem since it is much easier to obtain high absorption at…

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