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Does an LCD TV's refresh rate come into play when watching an over-the-air High Definition Digital Television broadcast?.

I have been told that the refresh rate is not significant in this case because the signal is just coming in to the tuner/receiver and going out onto the screen. I have also been told that it does matter.
Which is true?
I suppose it matters if the "guts" of the TV are manipulating the signal before displaying it. What advertised features would tell me whether the guts are manipulating the signal or not?
1 Solution
The standard refresh rate of LCD screens is 60Hz.  What is probably more important are the response times (anywhere from 1ms to 12ms typically), brightness and contrast ratio. In some advanced sets, an image processing engine can interpret the signal broadcast from the tv station and generates additional frames to give the appearance of a smoother picture.

To find out more information on Brightness, Contrast, and Response times of LCD screens (TVs included), wikipedia is a great source.

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