1080p

ljf -- Wed, 01/02/2008 - 16:46

I dont get it. The reviewer rated a Panasonic plasma recently and said its resolution was 1080p. But he also said the set won't accept a 1080p signal. Please explain.

AVnomad -- Thu, 01/03/2008 - 10:17

I suppose the quick answer to ljf's question is that modern fixed-pixel displays are always progressive scan --- regardless of the TV's native resolution or the nature of the incoming video signal. So this Panasonic 1920 x 1080 display deinterlaces any interlaced signal (be it 480i or 1080i) resulting in a progressively scanned 1080 picture. This makes it a "1080p" display.

With ljf's kind indulgence, I would like to expand on his quesion:

1. If a so-called "1080p" display processes everything to 1080p, what is the problem with that display accepting a 1080p signal?

2. If all TVs end up deinterlacing/scaling to their native resolution anyway, how can these "upconverting" DVD players make any difference? Granted, there's always a possibility that the video processing in a given player is superior to the internal processor in a particular TV, but surely that cannot be the case with any sub $100 player?

HarrisonS -- Thu, 01/03/2008 - 10:18

Perhaps you are referring to the review of the Panasonic TH-58PZ750U which appeared in TPV issue 82. There is a correction appearing in Issue 83, page 12 (page 11 in the online version). Here it is explained that this display will accept the usual 1080p/60 but not the 1080p/24 (24 frames per second) which some of the newer players can provide on film-based material.

Harrison S.

ljf -- Sat, 01/05/2008 - 13:28

Thanks for the response. The error in that issue confused me.

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