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Home Tv Theater Sound Technology And Home Building
Home Building – Home Tv Theater Sound Technology
By Tammy Crosby-Editor, Dream Designs
One of the most important advances in home theater has come in sound technology, which now bring the feel of cinema sound into your living room. There are four technologies to choose from – surround sound, Dolby Prologic®, Dolby Digital®, and THX®.
Surround Sound
The first big breakthrough in home theater was the evolution of surround sound, which was first introduced in 1982 by Dolby Surround®. Dolby Surround works by decoding the surround channel so that it’s played back like it was recorded in the movie sound studio.
Dolby Pro Logic®
The next step in home tv theater sound technology came in 1987 with the advancement of surround sound with Dolby Pro Logic, which is able to decode an active center channel to its own speaker. This allowed for clearer dialogue and for the left and right front speakers to be spaced farther apart to give a richer distribution of sound.
In simple terms this technology decodes and converts two channel stereo audio from your VCR, DVD or TV into four channels of audio (by going to your surround speakers) – giving your current system the quality it needs for a true home theater experience.
Dolby Digital®
The newest surround sound technology from Dolby is Dolby Digital®, which provides six discrete channels of full range sound: front center, front left, front right, rear left, rear right, and the bass or subwoofer. Dolby Digital technology also allows for more decoding options, so that program material recorded in Dolby Digital can be played as mono, stereo, Dolby Surround or Pro Logic, or to the full 6 channel capacity.
While Dolby Digital offers a better separation of channels and the addition of individual channels for both surround speakers than its predecessor Dolby Pro Logic, you still need a Dolby Pro Logic decoder because of the amount of material that still uses the traditional two channel stereo sound (and only a Dolby Prologic can break those two channels into four for a fuller surround sound). Luckily you won’t need two separate decoders because Dolby Digital has a Pro Logic decoder built right in. If you’re planning on buying a Digital Versatile Discs (DVD) or High Definition Television (HDTV) than you’ll want to go Dolby Digital – it’s as close as you’ll get to the sound and feel of movie theater without having to leave your sofa.
THX®
While THX sounds like it is a brand name, it is actually a licensing technology for home theater equipment, which is used to ensure the highest standards for the best reproduction of theater-type sound. Dolby and THX often work together to create a high quality home tv theater experience. In short, THX has become the five star standard for acoustics and speaker placement and certifies the equipment that is most capable of playing the best sound.
Thanks to a THX patent, sound which was originally created for the movie screen is now suited for a smaller and closer environment – your home tv theater. Be sure that your home equipment is certified THX otherwise you’re not getting the real thing.
While it comes with a high price tag, the advantages of a THX audio system over standard surround systems are clearer dialogue, easy bass reproduction (great for action movies with lots of explosions), enveloping surround sound and wide frequency and ranges.
About the Author: http://www.thehousedesigners.com has picked the best selling, most popular house plans direct from architects and designers.
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Home Tv Theater Sound Technology And Home Building
This is definitively one of the best articles we have read lately. Hope you too enjoyed reading it. Every year it looks like that somebody comes out with a new take on an old problem, but we believe this is the most interesting way to look at it.Please leave your comments if you have any advice or tips on home tv theater that you would like to share with others. Your input is welcomed into the discussion.
Get The Latest home tv theater Information
Discover How To Choose The Best Home Tv Theater System For Yourself
Best Home Tv Theater – How To Choose The Best Home Tv Theater System For Yourself
By Justin Koh
At first it seems like much fun having the cash to indulge and immerse yourself in high-definition video and surround sound, and then you realise there’s more decision to be made than just placing a sleek TV panel and a bunch of speakers in the living room. Investing in a home theater system practically takes some planning in order to get the aesthetics right and make yourself comfortable with all the equipment around.
1. Most readers won’t expect this, but first of all, you do need to get your immediate family’s agreement to have a home tv theater right in their midst. Decide whether it’s OK to install the system in the living room, or have a separate room dedicated for a most complete TV watching experience while disturbances to other members are minimized.
2. There are 2 main types of flat, high-definition TV: plasma and LCD. Plasma is made for larger size and is closer to 5 figures in pricing than LCD, which can cost as cheaply as less than a thousand. Plasma is the main choice for a TV in a home theater context since LCD TVs have a size limitation.
3. How could you do without a video source? That’s the DVD player. Unless you are a discerning aficionado, you’ll be spoilt for choice as more advanced technology and decreasing cost continue to impact the market. Almost all come with Dolby® Digital Surround sound (EX 6.1). Watch out for the blu-ray DVD and their players in the coming years.
4. As major TV and radio broadcasts are expected to ‘port’ into the digital format in the future, the broadcasted material will be encoded with surround sound instructions. A receiver takes advantage by accessing and decoding these instructions to give you superb sounds. Surround sound currently comes in the multi-channel formats of Dolby® Digital EX 6.1 or THX Surround EX™ 6.1, DTS, AC-3, etc.
Receivers can connect to most types of players and handle their respective media, including VCR or HiFi and the latest ones are designed to be forward-compatible with future standards and formats. Also, some DVD players have built-in receiver capabilities, and this is great for those looking to do more with less.
5. Speakers usually come in sets of 5: 3 in the front (left, right, center) and 2 at the back (left, right). Check with your dealer that the right speaker is placed for the right position because spoken dialogue and sound effects are handled differently. Note that “surround sound” means separate speakers can play different sounds at the same time. The subwoofer is a different animal as it’s in charge of processing low frequency sounds which gives you “deep boom-boom bass”. It adds an unexpected dimension to a movie which you would not have ‘heard’ otherwise.
6. Get the right cables; that means good quality ones. Having the latest equipment is pointless if lousy cables are used for connection as they naturally degrade whatever electrical signals that come through them.
7. Check how you can make your home tv theater lightning-proof or safe against power surges. You can safeguard your equipment once you take certain precautions. Ask for professional advice.
These are just general guidelines for you to refer, but you can take it from here to build your further interest in home tv theater equipment or home electronics. If possible, ask for a test at your dealership to get yourself familiarized with the quality you desire. Ask your dealer to help define a proper checklist of things you are looking for to gain clarity. The more ticks you can make on paper, the clearer your mind gets.
About the Author: Justin Koh is a freelance writer whose articles have appear in most major ezines. You can find his latest home theater news and articles at http://www.hometheatercenter.info
Source: www.isnare.com
Permanent Link: http://www.isnare.com/?aid=9810&ca=Entertainment
Discover How To Choose The Best Home Tv Theater System For Yourself
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