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Look Ma No Wires The Latest in Wireless HDTV Technology
In June of 2005, two companies created a home entertainment system that will
broadcast high definition video and audio streams wirelessly to an HDTV. This
new technology should be available in the United States by 2006. The companies
say this will provide the wireless experience that customers will demand. The
main idea behind going wireless is that you can place your TV anywhere in the
room within a certain radius. It doesn't have to be hooked physically to a set
top box, cable or satellite server, or DVR receiver. This is called Ultra
Wideband Technology.
How does this work? A wireless technology sends an extremely low power signal
over a broad radio spectrum. Conventional radio systems have a narrow bandwidth.
The new Ultra-Wideband sends a wide range of frequency spectrum by relaying a
series of low-power, and narrow pulses. This combination causes less
interference than conventional narrowband radio stations and is designed to
deliver the same performance of a wired set. The Ultra-Wideband Technology will
be ideal for the consumers who demand increasingly multimedia-rich applications.
Just as cell phone transmission and reception have improved so will the wireless
transmission of HD. Going wireless with your home phone was a wonderful
invention and we all loved it. Who knew that it would lead to cell phone
technology that would allow you to take and send pictures, link with the
Internet and now are able to get into television signals. Just as this
technology happened to the phone industry, it will also happen to the video and
audio industry. Wireless is the next big development for HDTV. Wireless links
for computers are already common. My wireless network connects my laptop to my
PC sitting in another room. I can even take my laptop next door and still be
connected to the Internet. Imagine what will happen when high definition signals
can be picked up anywhere with wireless linking. The demand for these
conveniences will increase, and as the technology gets better, and demand gets
higher, these parts will come down in price.
What is the future of wireless transmission of HDTV and how will it affect us as
consumers? Let's just look at one example of how wireless has changed something
we are all familiar with, newsgathering. It has revolutionized the news
gathering industry. We can now see and monitor anywhere in the world and see
news as it happens. Look at the role the 'imbedded' reporter has in the war
zone. We see events as they are happening, the signals don't have to be stored
and then edited and converted into an image that we can see on our television
set. Broadcasting signals to a station has become faster and easier with
digital. The Internet can send long-distance signal movement. The uses of these
high-speed lines are becoming increasingly popular because as more are becoming
available, the lower the pricing.
Another new wireless technology to send transmissions a shorter distance is
called Compressed Orthogonal Frequency Division Multiplex. COFDM is capable of
sending and receiving packets of data. COFDM is obstruction-friendly and is
without multipart distortion, fading or other distortions that broadcasters are
used to in regular analog transmission. News vehicles equipped with COFDM can
send signals using a smaller directional or omni directional assembly as opposed
to the directional antenna-topped mast. They have been successfully used while
driving under canopies, through tunnels, in high traffic and around tall
buildings with little or no distortion. To the average consumer, it means that
our news is able to get to us faster than ever before.
COFDM transmission also needs less power but still relays a quality signal. With
being wireless, it's possible for transmission to occur while moving and such
distortions such as reflections are removed. In simple terms, a news crew can
transfer the news they have just collected from one spot while on the move to
the next 'hot' spot. Our news is being brought to us by satellite connections
and videophone technology. It puts you where the action is and allows you to
feel a part of the scene. You have seen this technology work just in the last
few months. Look at the instant sights and sounds we saw immediately after
Hurricane Katrina.
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