Home Building - Home Theater Components

Look at your home theater system as a puzzle,You'll get more use out of your system if you
which require many different pieces to fit togetherseparate the components since the DAP can be used
just right to create the total presentation. Unlike ato work with other components in your home
puzzle, each piece belongs in a different place andsystem because it has several input/output jacks.
together they project a theater-like picture andDVD Player
realistic sound. Understanding the role of eachDigital Versatile Discs (DVDs) are one of the most
component will make it easier to decide which onespopular elements of a home theatersystem, because
you need and want. Here's a breakdown of all thethey are a multimedia platform for movies, music and
primary components you will need to consider whencomputers. Some of the advantages to DVD is that
creating your home theater.the picture quality is better and many DVDs have
TelevisionDolby Digital or DTS sound, which is very close to
There are two things to pay attention to whenthe sound you experience in a movie theater. Many
buying a television: shape and size. To watch moviesDVD movies have an on-screen index, where you
in their original wide screen format, you'll need a TVcan select what part of the movie you want to view
with a rectangularly shaped 16:9 aspect ratio ratherwithout rewinding or fast-forwarding it. Many high-end
than the traditional, square shaped 4:3. When itplayers are compatible with audio CDs and come with
comes to size go for the largest screen you cantwo viewing options for letterbox format (which fits
afford (27 inches is probably the bare minimum). Forwide-screen TVs and the standard size format.
optimal viewing, the distance between the viewerVCR
and the screen should equal about three times theWhile DVDs are fast becoming the preferred player,
screen size. For example a 40-inch TV is best viewedVCRs still remain popular because of its recordability.
from a distance of 10 feet (120 inches). BeforeThe disadvantages of the VCR include tape wear
buying your TV it is best to figure out where you'reand damage and they don't have widescreen or
going to place the television and calculate the screensurround sound capability.
size accordingly.DVR (Digital Video Recorder)
Cathode-ray tubeDVR is short for personal video recorder, a generic
While traditional tube televisions have some of theterm for a device that is similar to a VCR but records
sharpest pictures and lowest price tags ($500-$2500),television data in digital format as opposed to the
the downside is they aren't available in large sizes -VCR's analog format. DVRs encode video data in
40 inches is the maximum. If you favor a tube TV,MPEG-1 or MPEG-2 formats and store the data in a
than look for a flat-screen CRT, because they don'thard drive. DVRs have all of the same functionality of
have the distortion that effects the curved edges ofVCRs (recording, playback, fast forwarding,
older models, and most can display the widescreenrewinding, pausing) plus the ability to instantly jump to
formats of DVDs.any part of the program without having to rewind or
Projection TV - Front or Rearfast forward the data stream.
In contrast to conventional TVs, projection TVsA DVR is essentially made up of two elements: the
form a small image on a device inside the projector,device that stores its hardware elements, such as
either a CRT or LCD, and then shine that image ontothe hard disk drive, power supply and buses, and the
a large screen located elsewhere. There are twosoftware in the form of a subscription service that
types of projecting TVs - rear or reflectiveprovides programming information. There are three
projection and front or transmissive projection. On apredominant DVR types on the market: TiVo,
rear projection, the screen is located within the TVReplayTV and UltimateTV, with TiVo being the
box itself. In this type, light reflects off thecurrent market leader.
projection display panel and is then projected ontoThe benefits of DVRs: The digital storage of
the screen. A front projection has a separate screentelevision signals opens up a whole new world of
(which allows for greater size) and send the picturepossibilities when it comes to playback and viewing.
across the room to a screen, much like a traditionalFor one, a DVR is tapeless. With a VCR, the device
movie projector. Both systems have four basic partsitself is only a recording tool and the blank cassette is
-a projector, screen (separate or built-in), controlthe media. In a DVR, media and tool are one and the
panel (separate or built-in) and a sound systemsame, which is a big plus if you never seem to be
(separate or built-in). Most rear projection TVs forable to find a blank tape when it comes time to
home theater systems tend to look like veryrecord a favorite show. The only drawback is that
large-screen (up to 80-inches) conventional televisions.you can't add more storage space, because the
Each one is basically a large box that contains all ofmedia is hard-wired into the unit. Getting more
the above parts, while front projection TVs arerecording with a VCR is easy - you just buy another
spread out across your room in four components.box of blank tapes, but getting more recording time
Cost for either system starts around $1500 andon a DVR involves buying a new unit.
escalate to well over $50,000 (for a front projectionPerhaps the biggest advantage of DVRs is the
TV).unprecedented control over playback. With a VCR,
Plasma/LCDyou have to wait for a program to finish recording
Both Plasma and LCD TV are both represent two ofbefore you can start watching it. Since there's no
the best new television technologies on the markettape to rewind, digital recording doesn't have this
and offer excellent picture quality. Right now, Plasmalimitation. A show that started recording 10 minutes
TVs offer the advantage of larger screen sizes,ago can be viewed at any time, even while it is still
lower costs, better viewing angles, and superiortaping.
image refresh rates, which make them a great choiceDSS RECEIVER
for home theater. While LCD TV is rapidly improving,This is not like the satellite dish of yesterday.
manufacturers still need to overcome its weaknessesBesides being a lot smaller (about the size of a large
- ghosting trails on fast moving images, small screenpizza) Digital Satellite Systems (DSS) are more
size and cost. The pros of LCD are no burn-in risk,technically advanced. They receive digital satellite
longer life span, low weight and low powersignals that carry superior image capabilities similar to
consumption.a laserdisc player with CD quality sound.
HDTV (High Definition Television)They're easy to setup and tune in and can handle
High-definition television is a type of digital signal thathigh definition television and six-channel surround
carries a more detailed image and is encoded withsound. Monthly service plans cost about the same as
surround sound information. All of the abovestandard cable service.
televisions are available in HDTV, but some modelsSpeakers
may require a separate HDTV decoding tuner.Since sound attributes to half of the home theater
Because they have a high screen resolution you canexperience, it's a good idea to get the best speakers
view these TVs from a much closer distance than ayou can afford. Like amplifiers, speakers should be
TV that doesn't have high-definition. This is definitelyable to reproduce a large frequency range clearly
the wave of the future, since the FCC recentlywithout distortion.
decided that all television programming must beNo two speakers sound alike so selecting them is
broadcast in digital format by 2006.often a matter of personal listening preference. A
Screenhome theater should have an array of six speakers
It's not something you may think about, but youror more to properly create sound. These will include
television screen is your view into your home theater.left, right, and center speakers across the front; a
Manufacturers use different screen materials, butcouple of surrounds and a subwoofer or bass unit to
most use a matte-finished screen or acetate sheetscreate the low, loud, feel-it-in-your-stomach sounds.
with complex technologies for improving brightnessCables and Interconnects
and clarity. Finding out what kind of screen theThey may seem relatively unimportant compared to
television you're thinking of buying has will clear up athe rest of the equipment, but cables and
lot issues before you bring it home.interconnects can make a difference between a
Receiversgood sounding system and a great sounding system.
In most cases the receiver is the brain in mostThis is true on any size system from the low end to
home theater systems. It is the central core wherethe highest quality. The signals between components
all the audio comes together. Basically, the receiverand speakers need to flow unrestricted or the
decodes signals from the inputs (DVD player, satelliteoutput will suffer. Cables should be a heavy gauge
dish, cable television) and routes them to the properand the connectors should be gold plated. Price can
outputs (television and speakers). A good receiverrange from $15 cents a foot to over a $1000.
has inputs and outputs, a built-in timer, surroundIf aesthetics are a big concern for you, they you'll
sound capabilities, built-in amplifiers and equalizers.want to consider flat speaker wire, which is as thin
Prices range from $1000 to $5000. It's important thatas a credit card, flexible enough to turn corners, and
your receiver has at least 100 continuous watts perready to be mounted on walls and ceiling. You can
channel and has enough outputs to connect to alleven hide them completely by wallpapering or
your speakers.painting over them.
AmplifiersRemote Control
While most receivers come with a pre-amp toMost electronic equipment has a remote control, so
equalize the audio signal and a power amp to boostto avoid clutter and confusion it is best to purchase a
it, these components can also be purchaseduniversal remote control to run your home theater.
separately. Stand-alone power amps give you theUniversal remotes come pre-programmed to control
ability to more easily fine-tune and upgrade individualhundreds of devices from a variety of manufacturers
speakers and will enable you to generate superiorso setup is a snap. No matter which remote you
sound, especially at high volumes, but the extra costchoose, you should look for one that has an
can add up ($1,000 to $10,000 per unit).illuminated keypad or backlit screen so you can
Controlleroperate it with ease in low-light situations. If you're
If you're going for a state-of-the-art home theaterplanning on putting your components in a closed
system, then a controller will replace the receiver.cabinet or set in a wall unit you'll want a remote
The biggest difference between a controller andthat's radio frequency-capable, because its radio
receiver is that the controller controls both the audiowaves can travel through walls, doors and floors
and video. If you're using a controller you'll need awithout having to point it at the components.
separate tuner for radio stations.All-in-one systems
CD PlayerIf you don't want to be bothered with the hassle of
If you plan on listening to your favorite music thenpicking out separate components you can pick up a
you'll need a good quality CD player. You can choosehome-theater-in-a-box, which can cost between $300
from a one piece or two piece player where the unitto $3000. You'll get almost everything you need for a
that houses and spins the discs is separate from thebasic setup - an integrated receiver/DVD player, a
DAP (Digital Audio Processor) where the all thecomplete set of speakers including a subwoofer and
information from your disc is electronically processed.even the wires to connect everything.