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  Új Válasz 2021-07-12 06:57:06 #60195

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  Samsung QN95A / QN90A 'Neo QLED' rivjú:
  The zone dimming system can produce high peak brightness of nearly 1700 nits and relatively deep blacks, but not at the same time.
  In smaller segments of the picture, where peak brightness in HDR video is usually found, QN95A typically hits 700-800 nits
  The 1700 nits peak and the 700 nits fullscreen numbers are mostly theoretical because in movie or game HDR mastering, high brightness levels are usually reserved for specular highlights, stars, lamps, and other small segments of the picture.
  The limitations of the zone dimming system will be clear to the viewer after just a few hours of HDR viewing. In many scenes you will see heavy blooming around bright objects, subtitles etc. It is actually a straight-forward calculation. The native contrast ratio of the VA LCD panel in Samsung QN95A/QN90A is around 4000:1. It means that whenever the TV goes to, let's say, 1000 nits, the surrounding black area in the same dimming zone (and often adjacent zones) will bloom to around 0.25 nits (1000 / 4000 = 0.25), which is grey, not black. 2000 nits will produce blooming at approximately 0.5 nits (2000 / 4000 = 0.5) and so on.
  Vagyis HDR módban a nagyon magas fényerőt szinte cseszheted a csillivilli lcd-n.

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