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High Definition DVDEveyone is so excited about dvds but do you know that the picture resolution of dvd is only better than normal TV programmes? There are now more and more High Definition programmes provided by services provided by satellite TV operators as well as digital terrestrial TV broadcasters. In turn, HD large screen display devices from LCD TV, Plasmas as well as traditional CRT will grow rapidly. Unfortunately, DVD media cannot take advantage of the high resolution digital format. You will be glad to know manufacturers are now coming up with the next generation of dvds. They have the capacity to carry up to 50 GB of data. They utilise a shorter blue laser which has a shorter wavelenght of 405 namometer which able them to focus on tighter spots on the media and thus increase the density of data on the dvd. Current technology use red laser which has a wavelength of 650 nm. The new technology is compatible with current dvds as well as cds.
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