| Digital TV is on it's way. Do you know
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| | early stages of development and there are
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| what you need to do? Are you prepared?
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| | still many advances needed.
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| Find your answers here.
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| | As with most things in today's modern
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| Your traditional television is known as
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| | society Digital Television comes in a
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| an analog (analogue) television. It works
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| | couple of quality levels:-
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| by encoding the picture and sound
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| | Standard Definition TV (SDTV) - This is
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| information as an analog signal. The
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| | the basic level of digital television
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| picture on an analog television is drawn
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| | transmission. It has a quality similar to
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| on the screen one entire frame at a time.
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| | today's analog TV;
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| The analog signals are transmitted
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| | Enhanced Definition TV (EDTV) - This
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| continuously even if there is no new
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| | gives a better level of quality and
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| information to send.
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| | includes Dolby digital surround sound;
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| A digital television receives information
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| | High Definition TV (HDTV) - This as the
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| as a digital signal. This is an entirely
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| | name suggests gives the best quality
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| new technology and will eventually
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| | digital picture and Dolby digital
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| replace the analog television system.
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| | surround sound.
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| The digital signals are transmitted using
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| | Currently, most TV stations in America
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| computer code, which consist entirely of
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| | are broadcasting digital and analog. This
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| ones and zeroes. This is a difficult
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| | means that you can view your favourite TV
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| concept to perceive but it works. Digital
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| | shows no matter what type of TV you have.
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| signals are much more efficient, result
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| | However, after the 17th February 2009 the
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| in less interference and therefore it
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| | full-power TV stations will no longer be
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| provides a better quality picture and
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| | able to broadcast in analog.
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| sound than analog.
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| | And if you have an analog TV you will not
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| Another significant feature of digital
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| | be able to view the shows unless you
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| television is that is uses a
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| | obtain a separate digital-to-analog
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| significantly smaller channel bandwidth.
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| | converter box or a new digital TV.
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| This means there is more 'space' for
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| | The National Telecommunications and
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| other digital channels which will allow
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| | Information Administration (NTIA) will
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| other non-television services such as
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| | sometime at the start of 2008, issue
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| pay-multimedia services, multicasting
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| | qualifying households with $40 coupons
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| (more than one program on the same
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| | towards the purchase of a converter box.
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| channel), electronic program guides and
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| | For more information on how to qualify go
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| interactivity to be used at the same
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| | to
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| time.
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| | Bear in mind though, that an analog TV
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| Whilst digital television often has
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| | connected to a digital converter box will
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| superior audio quality, image, and
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| | display the digital broadcasts but not in
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| reception than analog, it is still in the
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| | full digital quality.
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