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3D TV, High Definition Television, HDTV 4K and AV
Home AV
Is my telly HD?
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<blockquote data-quote="spiney" data-source="post: 146340" data-attributes="member: 192438"><p>There's two things:</p><p></p><p>1) The actual pixel resolution of your screen. Most plasma/lcd sets are currenly only 720p vertical, only more expensive ones are 1000p vertical.</p><p></p><p>2) The received signal, which in upcomming HDTV broadcasts may be transmitted in several possible "standard" digital video formats, including 720p and 1080p (others exist, in tv production, but not normally for broadcasting use).</p><p></p><p>3) The full HDTV info is conveyed across the DVI link from receiver to display device. The display device then "shows what it can", ie, a 1000p vertical picture will display only 720p vertical picture on a screen with that resolution (actual picture formatting of the DVI signal being done inside the display device, by interpolation, as they're all a bit different!). Conversely, a 720p vertical picture will display on a 1000p screen at maximum (but lower than possible) resolution.</p><p></p><p>4) Current "analogue standard" display resolution is approx "580p" v, anything better is "high resolution", and this should be noticable on your Hitachi.</p></blockquote><p></p>
[QUOTE="spiney, post: 146340, member: 192438"] There's two things: 1) The actual pixel resolution of your screen. Most plasma/lcd sets are currenly only 720p vertical, only more expensive ones are 1000p vertical. 2) The received signal, which in upcomming HDTV broadcasts may be transmitted in several possible "standard" digital video formats, including 720p and 1080p (others exist, in tv production, but not normally for broadcasting use). 3) The full HDTV info is conveyed across the DVI link from receiver to display device. The display device then "shows what it can", ie, a 1000p vertical picture will display only 720p vertical picture on a screen with that resolution (actual picture formatting of the DVI signal being done inside the display device, by interpolation, as they're all a bit different!). Conversely, a 720p vertical picture will display on a 1000p screen at maximum (but lower than possible) resolution. 4) Current "analogue standard" display resolution is approx "580p" v, anything better is "high resolution", and this should be noticable on your Hitachi. [/QUOTE]
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3D TV, High Definition Television, HDTV 4K and AV
Home AV
Is my telly HD?
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