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.
How to Repair Scratches on a CD
How Apple AirPlay Works
How Netflix's Password Crackdown Will Stop Moochers
How to Cancel Netflix
What's the Most-disliked Video on YouTube?
Can You Fix the Dirty Screen Effect?
How Amazon Fire TV Works
How Facebook TV Will Work
How to Adjust Your TV for the Best Picture
What’s the difference between 780i and 1080i HDTV?
What’s the difference between 780p and 1080p HDTV?
How Weatherproof Speakers Work
What's a voice coil on a speaker?
What's the difference between active and passive speaker crossovers?
How FlatWire Works
How Switched Digital Video Works
How Satellite HD Works
Learn More / Page 5
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.
If you recently got a DVD player you might be wondering what all those connectors on the back are for. Don't worry, you don't have to use them all -- a lot of the connectors are actually redundant.
It wasn't too long ago that VHS tapes dominated the home video market, but now, DVDs have all but wiped them out. Learn how a DVD player reads a disc, see what to look for when buying a player, and read up on a little DVD history.
By Gayle A. Alleman
CDs are certainly more widespread these days, but you've probably heard at least one audiophile insist that records have a better sound quality when it comes to their favorite music. How can this be?
Closed captioning is useful for deaf individuals, noisy places and even as a language learning tool. How do the characters' spoken words appear at the bottom of the screen?
Liquid crystal displays are found in everything from digital watches to laptop computers. In a relatively short period of time, they've crept from a fascinating novelty item to a technology standard. Learn about the science (a liquid crystal?) and technology behind LCDs.
By Jeff Tyson
As of 1999, all new television sets sold in the United States have to contain a V-chip. How does the V-chip screen for undesirable content?
Is it true that you have to be very careful handling CDs and never allow your hands to touch anything but the edges?
How do VHS tapes prevent you from bootlegging a copy of a movie? Find out here!
If you've ever tried to record the picture on a TV with a video camera, you know the results can be messy. Learn what causes flickering when you try to record a television set with a video camera, and how you can avoid it.
Like soap bubbles and grease slicks, CDs reflect rainbow colors. What makes this happen?
There are several formats for distributing music. The mp3 digital audio file and the plastic compact disc are the most common, but what about the Minidisc, and how does it differ from a CD?
Most people know that digital technology has some big advantages over its predecessor, analog. But how does a digital recording differ from an analog recording, and what keeps the quality of digital from degrading over time?
What is the difference between DVD-audio and CDs? It all has to do with their sampling rate.