1080p TV
1080p High Definition TV Means Consumers Get More Choice With Viewing
Executive Summary about 1080p Hdtv by Mun Yin
Sony’s incredible BRAVIA range has been available for about a year now, and with it carries advancement in high definition technology. With first generation HDTVs displaying their high definition content in 1080i resolution, the Sony BRAVIA range looked to turn the arena on its head by introducing 1080p resolution – but has it? Both high definition resolutions produce the same sized image, 1920 pixels by 1080 lines. With 1080i, the image is interlaced, with odd numbered lines appearing a split second before the even numbered lines. This means that to display high definition content, the TV requires something else that plays in high definition. Currently, high definition sources include digital TV channels, HD-DVD players, Blu-Ray DVD players and a couple of games consoles. At the moment, HD channels from digital TV broadcasts and satellite channels are done using 1080i signals. Unfortunately, a lot of HDTVs are not physically able to display an interlaced signal as an image. In situations like this, the HDTV will de-interlace the signal and convert it into a progressive scan signal. So theoretically speaking, this means that all TVs display a 1080i image in 1080p format.
Currently, HD-DVD players and Blu-Ray DVD players, as well as the PS3, are the only current sources that can output in 1080p signals. HD-DVD is able to output in both progressive and interlaced signals, where as Blu-Ray outputs in 1080p only.
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