Home Audio & Video Systems

Home audio and video setups are as individual as the people who own them. At its most basic, a home theater includes a TV, some speakers and an audio/video source. Find out about the newest home theater components, and how they work together to give you a superior entertainment experience.

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After all of the hype, the experience of watching a brand new HDTV can be a little anticlimactic. Find out why and what you can do to improve it.

By Tracy V. Wilson

The surface-conduction electron-emitter display (SED) combines the picture quality of a CRT with the compact design of a flat-screen plasma display. Learn exactly how the SED-TV creates a picture.

By Tracy V. Wilson

Learn how HD-DVDs differ from DVDs and what's happening in the struggle between HD-DVD and Blu-Ray.

By Tracy V. Wilson

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If you want a big screen, a flat panel or a widescreen TV, LCoS (Liquid Crystal over Silicon) may be the right option for you. Learn about the technology behind LCoS.

By Tracy V. Wilson

Most of us don't even consider the possibility of viewing our cable TV, DVR or DVD player when we're away from home, but with a Slingbox, you can do just that.

By Julia Layton

In WWII, remote controls detonated bombs for the first time. Now some of us spend an hour looking for the remote before we remember there are buttons on the TV. Find out the difference between a "universal" and a "learning" remote and check out some of the other high-tech features you can find on remotes today.

By Julia Layton

Holographic memory systems offer more storage capacity and faster transfer rates than CDs and DVDs, but they've also been too expensive and complex to mass produce. Learn how HVD has improved upon previous methods.

By Julia Layton

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If you're looking for a big screen, you've got a lot of options. Which display technology is for you? DLP (digital light processing) sets are cheaper and have a better picture than many of the other big-screen options.

By Tracy V. Wilson & Ryan Johnson

If you've heard of an HD upconverter, you're way ahead of most folks. So what's this new addition? What exactly are we trying to "upconvert"? Find out what HD upconverters do and why you might want one.

By Ed Grabianowski

Say goodbye to DVD as the top-of-the-line digital storage format -- it pales in comparison to Blu-ray. New blue-laser discs feature unbelievable storage capacity.

By Stephanie Watson

The EZ-D DVD is a disc that automatically blanks itself after a certain period of time. It's a movie rental that takes late fees and return trips to the video store out of the picture. Check out the science at work.

By Tom Harris

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Satellite TV once required a huge eyesore of a dish positioned on the lawn. These days, you can receive the digital satellite signal with a tiny bowl attached to your roof. Find out how satellite TV works.

By Karim Nice & Tom Harris

Think your living room isn't big enough to squeeze in a large-screen TV? Plasma displays fit the components for a huge screen into a unit that's less than 6 inches deep.

By Tom Harris

It may seem like an audio add-on, but without an amplifier, you'd never be able to hear the music on your CDs (your neighbors might be happier, but would you?). Find out how amps pump it up to 11.

By Tom Harris

Surround sound has become an integral part of the movie theater experience, and it's becoming a staple in home theaters, too. There's nothing like feeling a fighter jet fly by while you're sitting on the couch. Find out how surround sound puts you in the middle of the action.

By Tom Harris

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When you're watching a movie at home, surround sound can make all the difference. Learn about the components of a home theater and how to create a system that is right for you.

By Tracy V. Wilson & Tom Harris

The video screens at sporting events and concerts are almost like your TV -- except that they're GIGANTIC! Learn about the technology that makes these 30-foot displays possible.

By Marshall Brain

Most speakers use an electromagnet to transmit sound, but the tall and skinny models use a different technology. Learn what makes these speakers different, and perhaps better, from traditional models.

They sound a little bit like something out of "Star Wars," but they're actually the devices that are at the heart of most TVs and computer monitors.

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Re-writable CD's are pretty amazing things. They were the first tools in the newest generation of personal music production.

If you've ever looked closely at a CD player, you might have seen the label for a 1-bit dual D/A converter. Learn more about the digital-to-analog conversion process and how a 1-bit dual D/A converter is helpful.

Even though the storage capacity of a DVD is huge, the uncompressed video data of a full-length movie would never fit on a DVD. In order to fit a movie on a DVD, you need video compression.

EyeVision promises to revolutionize the way we think of instant replays. If you watched Super Bowl XXXV, you saw EyeVision in action. Learn how the camera view "flies" around the field to show you every angle.

By Shel Brannan

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In any sound system, ultimate quality depends on the speakers. The best recording, encoded on the most advanced storage device and played by a top-of-the-line deck and amplifier, will sound awful if the system is hooked up to poor speakers.

By Tom Harris

Digital television boasts up to 10 times the detail of regular analog TV, and DTV stations are on the air in full force. Find out all about this top-of-the-line format and the future of television.

By Marshall Brain