| Introduction
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| | viewing quality on very large screens.
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| HDTV technology was first introduced in
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| | Digital NTSC- and PAL/SECAM-like signals
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| the US during the 1990s by a group of
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| | (480i60 and 576i50 respectively) are
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| electronics companies called the Digital
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| | transmitted at a horizontal resolution of
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| HDTV Grand Alliance. HDTV is capable of
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| | 720 or 704 "pixels". In
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| "theater-quality" audio because
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| | Australia, the 576p50 format is also
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| it uses the Dolby Digital (AC-3) format
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| | considered a HDTV format, as it has
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| to support "5. HDTV offers a degree
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| | doubled temporal resolution though the
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| of clarity that is much closer to this.
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| | use of progressive scanning. For
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| HDTV can be recorded to D-VHS (Data-VHS),
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| | example, you can get a 72"
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| W-VHS (analog only), to a HDTV-capable
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| | projection HDTV that has 1920×1080
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| digital video recorder (for example
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| | resolution from $2500 to $5000 depending
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| DirecTV's high-definition Digital video
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| | on the brand and model.
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| recorder, Sky HD's set-top box, or TiVo's
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| | Satellite
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| Series 3 or HD recorders), or an
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| | Satellite services and a Cable TV
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| HDTV-ready HTPC. HDTV is just one part
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| | providers are providing an increasing
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| of the DTV transition. HDTV is best
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| | number of HDTV feeds. Satellite-based TV
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| viewed on a new high-definition
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| | companies, such as Optimum, DirecTV, Sky
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| television. HDTV requires an HDTV tuner
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| | Digital (In the UK and Ireland) and
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| to view and the most detailed HDTV format
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| | DishNetwork, offer HDTV to customers as
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| is 1080i.
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| | an upgrade. To receive an HDTV broadcast
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| Definition
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| | you need either a TV with a built-in HDTV
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| The term "high-definition" can
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| | tuner, like this Panasonic plasma HDTV,
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| refer to the resolution specifications
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| | an HDTV receiver which can pick-up off
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| themselves, or more loosely to media
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| | the air HDTV channels, cable HDTV, or
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| capable of similar sharpness, such as
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| | satellite HDTV receiver like Dish Network
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| photographic film and digital video.
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| | HDTV and this DirecTV H10 receiver.
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| High-definition television (HDTV)
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| | Technology
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| potentially offers a much better picture
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| | While high definition has become a
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| quality than standard television. NTSC
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| | reality for many consumers, the technical
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| system, established in 1941, were high
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| | jargon associated with this exiting new
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| definition only in comparison with
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| | technology is causing much confusion.
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| previous mechanical and electronic
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| | Through the evolution of display
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| television systems, and NTSC, along with
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| | technology, a new television has emerged;
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| the later European 625-line PAL and
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| | so totally different, a new TV 'paragon'
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| SECAMs, is described as standard
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| | has been created. it doesn’t
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| definition today.
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| | require a degree in TV Technology.
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| Television
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| | In addition, lack of enthusiastic
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| While some early analog HDTV formats were
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| | co-operation between broadcasters, cable
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| broadcast in Europe and Japan, HDTV is
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| | satellite providers, and manufacturers
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| usually broadcast digitally, because
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| | has injected further confusion for
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| digital television (DTV) broadcasting
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| | retailers on how to sell HDTV and
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| requires much less bandwidth if it uses
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| | consumers as what products to buy, how to
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| enough video compression. To get a
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| | use them, and to what programs are
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| better picture HDTV televisions require a
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| | actually available in HDTV. On the other
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| High Definition (HD) signal. As of 2007,
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| | hand, a very high resolution source may
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| broadcasters may demand, or
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| | require more bandwidth than is available
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| cable-television operators may elect, to
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| | in order to be transmitted without loss
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| place HD signals in a premium band that
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| | of fidelity.
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| requires higher cable fees. HDTV has at
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| | To watch high definition television or
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| least twice the linear resolution of
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| | HDTV you will need three things: A
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| standard-definition television (SDTV),
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| | Satellite or Cable program subscription
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| thus allowing much more detail to be
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| | to HD Programming; An HDTV Satellite
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| shown compared with analog television or
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| | Receiver or Digital Set Top Box; A high
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| regular DVD.
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| | definition television set (HDTV). But
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| Resolution
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| | beyond all argument, HDTV offers the
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| It should be noted that while HDTV is
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| | ultimate in TV Picture Quality. We
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| more like a theater in quality than
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| | believe you're interested in what you
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| conventional television, 35 mm and 70 mm
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| | need to know, to buy and enjoy a
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| film projectors used in theaters still
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| | Digital-HDTV – NOT, how to build
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| have the highest resolution and best
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| | one.
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