Darth Fox Posted 24 January 2007 Posted 24 January 2007 Just recently bought a DVD Player with HDMI output in order to upscale my bog standard DVD's while I wait for HD Players to come down in price. There seems to be some debate as to whcih is best between the main 2 outputs 720p(progressive scan) and 1080i(interlaced). To my naked eye 1080i seems maginally greater HD but I am wondrring if there is a definitive answer?
Phube Posted 24 January 2007 Posted 24 January 2007 Just recently bought a DVD Player with HDMI output in order to upscale my bog standard DVD's while I wait for HD Players to come down in price. There seems to be some debate as to whcih is best between the main 2 outputs 720p(progressive scan) and 1080i(interlaced). To my naked eye 1080i seems maginally greater HD but I am wondrring if there is a definitive answer? 1080i isn't proper 1080 HD, it has to be progressive. But it's forced to look like 720p. Only Sony *shudder* make 1080p TV's (this being the main reason for the pushing the PS£'s Blu-ray!!). But go with what your eye's tell you!!!
Darth Fox Posted 24 January 2007 Author Posted 24 January 2007 1080i isn't proper 1080 HD, it has to be progressive. But it's forced to look like 720p. Only Sony *shudder* make 1080p TV's (this being the main reason for the pushing the PS£'s Blu-ray!!). But go with what your eye's tell you!!! Just done a wee bit of investigation on wikkipedia and it seems 1080i displays more pixels on screen (1.04million) and 720p only 0.92 million. 1080i may not be as smooth as 720p but better on slow moving or still images. I've tested 1080i on Cars. F&Furious, Revenge Of Sith and all the fast moving scenes look great on 1080i so might stick with that. 720p looks a tiny bit grainier than 1080i. Can't wait for proper HD DVD Playres to come down on price as even upscaling looks superb on certain bog standard DVD's. It has to be said also buying a RGB scart for a PS2 is a must with a large plasma/lcd as I purchased one for £5 and Pro Evo looks outstanding compared to bog standard lead that came with the machine.
MC Prussian Posted 24 January 2007 Posted 24 January 2007 The only difference between Interlaced and Progressive is the way the picture is scanned in order to get the necessary information. Progressive compresses the image into little frames and results in a better resolution compared to Interlaced, which is the traditional way of scanning image information in two fields (Odd and even). The image is permanently double-scanned, so to speak. Without interpolation, the picture seems to "flicker". The only disadvantage of Progressive is that for fast picture changes or cuts (seen in action-packed movies and sports coverage), it can be a bit slow to change. But that's about it. 720 vs. 1080 is only the amount of pixels displayed, which determines sharpness.
Daggers Posted 24 January 2007 Posted 24 January 2007 1080i isn't proper 1080 HD, it has to be progressive. But it's forced to look like 720p. Only Sony *shudder* make 1080p TV's (this being the main reason for the pushing the PS£'s Blu-ray!!). But go with what your eye's tell you!!! Sony rock
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