High definition TV is the new digital system in the USA. It uses Mpeg 2 compression to squeeze a massive amount of data down to broadcast bandwidth.
Using resolutions vastly exceeding DVD and Dolby digital sound. HDTV is clearly superior to existing technology. however,
HDTV does have one major disadvantage,as systems cost about $5000 and are only currently available in the US.
Hopefully DVD will catch up with HDTV shortly, and will be available internationaly for home cinema's (which will be a great improvement on the 740*480/720*586 systems available at the moment!!)
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