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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: Thu Dec 31, 2009 at 08:09:46 pm EST (Viewed 6 times)
Reply Subj: Re: What is refresh rate and response time on HDTVs?
Posted: Wed Dec 30, 2009 at 08:14:58 pm EST (Viewed 755 times)

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    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.

whenever i switch the source to HDMI2 (where i have my DirecTV receiver connected) i get a message saying 1920 x 1080i @ 60hz. when i switch it to HDMI1 (where i have my PS3 connected) the message says 1920 x 1080 @ 60hz. all the images through my PS3 (be it a video game or Blu-ray movie) look much crisper than DirecTV (even the HD channels), which leads me to believe my tv's native 1080p.

don't get me wrong; my HD channels look much clearer than anything i ever watched on my old standard-definition, but they still don't look as crisp as stuff through the PS3.

please, keep in mind this is all coming from someone who's far from tech-savy ;\-\)

AFAIK, no broadcast signals are in 1080p, i.e, all cable TV shows, satellite shows etc are broadcast in 1080i, 720p or lower. The only way to get a 1080p signal to your TV is thru Blu-ray/PS3.

When you see 1080i displayed, I belive that's the resolution of the signal being received by your TV, not necessarily what your TV is displaying. My 720p TV also will display 1080i on certain cable shows , while displaying 720p on others. The 720p shows always look better on my TV than the 1080i ones. Your manual would tell you the native resolution.

I'm waiting for my 25 year old 32" tube TV to go so I can move my 3 year old 37" HDTV down to that room and go help the economy by picking up a bigger replacement for where the 37" was. The tuner in the tube TV has gone, and I'm using a *gasp* VCR to receive the cable signal and route it to the TV. Soon as the new LED TV's get into my price range.....

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