1080p or 1080i whats the diferrence?
i dont get it really one is true hd the other is full hd or something??
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There are 3 1080 formats within the ATSC standard.
1080i 60i frames per second
1080p 30p frames per second
1080p 24p frames per second
1080p 30p be developed for TVs that natively display progressive 1080, as a 1080i signal would need conversion and processing.
Next 1080p 24p be developed because someone realized that a progressive display could natively display a picture at the correct 24 frames per second rate. No 3/2 pull down,etc.. to muck up the works.
As far as which one is better explicitly really dependent on what media is on it, and a signal closer to its local display rate would give the best possible statue.
Bad thing is most manufacture have dropped rotten the frame rate information, and deep systematic study is needed to sort it out.
1080p resolution--which equates to 1,920x1,080 pixels--is the latest HD Holy Grail. That's because 1080p monitors are in theory capable of displaying every pixel of the highest-resolution HD broadcasts. On treatise, they should offer more than twice the resolution of today's 1,280x720, or 720p, HDTVs, such as Samsung's HL-P5085W. Some companies, such as LG, refer to these super-high-res of sets as ultra-HD, while others prefer to substitute true or full for ultra.
1080i, the former king of the HDTV hummock, actually boasts an one and the same 1,920x1,080 resolution but conveys the images surrounded by an interlaced format (the i in 1080i). In a tube-based box, otherwise known as a CRT, 1080i sources draw from "painted" on the screen sequentially: the odd-numbered lines of resolution appear on your blind first, followed by the even-numbered lines--all within 1/30 of a second. Progressive-scan formats such as 480p, 720p, and 1080p convey adjectives of the lines of resolution sequentially in a single slip away, which makes for a smoother, cleaner print, especially with sports and other motion-intensive content. As challenging tubes, microdisplays (DLP, LCoS, and LCD rear-projection) and other fixed-pixel TVs, including plasma and LCD flat-panel, are inherently progressive in spirit, so when the incoming source is interlaced, as 1080i is, they convert it to progressive scan for display.
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