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Location: Saint Louis, MO
Member Since: Sat May 17, 2008
Posts: 2,478
Subj: Re: What is refresh rate and response time on HDTVs?
Posted: Wed Dec 30, 2009 at 06:49:27 pm EST (Viewed 12 times)
Reply Subj: What is refresh rate and response time on HDTVs?
Posted: Wed Dec 30, 2009 at 02:25:31 pm EST (Viewed 774 times)

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this time last year, while at my girlfriend/fiancee's family, i was watching National Treasure 2 on Blu-ray on their (then) new 46" Samsung. there seemed to be this strange effect while watching it--something about the animation itself that i can't quite explain--sorta like there was no blur (maybe?), or that the animation was too quick for my eyes (again, i can't really explain it).

anyway, just over Black Friday we bought a 40" Samsung ourselves. while the picture is as crisp as the picture we saw on the 46" Samsung, we didn't have the strange effect with the animation. i researched our HDTV and noticed that it was "60hz" (i believe their 46" was 120hz). would this have anything to do with the strange, inexplainable effect i noticed on their HDTV and not ours? is this effect the result of a difference in either refresh rate or response time?

What's the native resolution of the 40" Samsung? Was it 720p or 1080p TV's can scale the signal (1080p coming from a Blu-ray) to display it on a 720p TV. I have a 720p TV and the algorithms it uses to deinterlace & downscale a 1080i signal to my TV has some problems that show up as 'blurred' images on fast motion that has nothing to do with 60/120hz refresh rates. The same motion looks great when it comes from a 720p signal. You won't have any deinterlace problems going from 1080p to 720p since they're both progressive.

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