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Flicker isn't an issue with LCDs as each pixel holds the previous brightness between refreshes. There is no decay as in a CRT. The downside of this is potentially greater movement blur.
European CRT sets mostly refreshed at 50Hz. A few high end sets at 100Hz. With current sets I'm not sure. Some claim high refresh rates, up to 200Hz, presumably with some kind of temporal interpolator. Some low end sets may still be refreshing at 60Hz with inferior interpolation. The result of this is horrible. The deinterlacing is pretty poor on these sets too.
As for HD transmission standards I think that 720/50p, 1080/50i and 1080/25p are all used in Europe. The 25Hz would be converted to at least 50Hz before display. This is very easy for progressive scan, the equivalent of a multiblade shutter in projected film.
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10-12-2012, 02:05 AM
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