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Get Wise and Digitize HDTV Style
High definition television, or HDTV for short, is the new way to view broadcasts
and movies in the home. It is popular because not only are more networks
offering programming in HDTV, but also because high definition offers views a
clearer, true picture with outstanding picture resolution. Most consumers are
catching on to HDTV and are spreading the word to get wise and digitize-HDTV
style.
There are many advantages to switching to HDTV over keeping traditional analog
sets. HDTV offers a brighter, clearer picture, and as it becomes more popular
there are more choices available to purchase. In the past, high definition sets
were generally large and were more suitable for large home movie theaters with
lots of space. Now, the screens are getting smaller, making HDTV a good choice
for smaller areas with less space.
Screen resolution from a high definition TV broadcasts is almost five times as
sharp as conventional broadcasts. High definition has double the lines of
resolution compared to a traditional analog TV set. While a traditional analog
set can only display 525 lines of resolution, HDTV technology takes this one
step farther. HDTV broadcasts can display 1080 horizontal lines of resolution.
This makes a huge difference in the picture clarity and quality. Often with big
screen analog broadcasts, the picture is severely degraded because of the
resolution lines.
There are three ways to receive high definition signals: over-the-air (OTA)
broadcast that is usually provided by local networks and PBS affiliate stations,
digital satellite TV providers such as DIRECTV, dish networks and by HDTV via
cable. When switching over to HDTV broadcasts, it is important to first
determine what signals are available in the area and what kind of equipment is
needed to get those broadcasts.
Not all networks offer all shows in HDTV. The FCC gave all broadcasters an extra
channel to broadcast in HDTV. Some networks offer certain shows and specials.
Sporting events in HDTV are also popular choices for HDVT broadcasts. The four
major networks usually offer professional football, championship baseball,
basketball and NASCAR in high definition. In addition, they offer television
specials and awards shows in HDTV.
To receive over-the-air broadcasts, an antenna is needed to receive the signal
as well as a high definition set with a built-in HDTV tuner. Otherwise, a high
definition-ready television with a separate tuner is necessary. Many of the
televisions on the market today fall into this category. The OTA broadcasts are
digital broadcast. Over 1500 channels around the United States are currently
OTA. To receive OTA broadcasts, contact the local cable or satellite provider to
see what is offered in a particular region.
Digital satellite television is another popular and choice in the United States.
Most cable subscribers can have access to digital satellite. DIRECTV and DISH
Network are both popular HDTV satellite providers that offer limited channels in
HDTV. There is a new service called VOOM that offers over thirty channels.
Before subscribing to a digital satellite service check to see if local channels
are offered. Many times subscribers are unable to access local network stations
using satellite. If this is the case, it will be necessary to have a combination
of either satellite and an antenna, or a satellite and a cable to receive all
the channels you wish. In order to have access to digital satellite services, it
is necessary to have a high definition-ready television, an HDTV compatible
satellite tuner or receiver and a dish antenna.
High definition cable is another very popular choice. The cable television
providers are beginning to offer a wider range of HDTV programming to keep up
with the consumer demands. Most of the HDTV programming offered by cable TV
providers are available nationwide, but are most commonly found in bigger city
markets.
Digital cable and HDTV from cable is not the same thing. Digital cable generally
means that there are more available channels and that the picture quality is
better than traditional analog television, but not as good as high definition.
However, most digital cable providers will begin to provide HDTV in the very
near future. When upgrading to digital cable, it is probably necessary to get an
upgraded cable box from your cable provider. In order to access this service,
you will need the HDTV cable box and a compatible TV. Some new HDTVs are called
digital cable ready and have a built in card slot for a Cable CARD. The card
allows the TV to get HDTV and other digital cable without a separate converter
box.
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