1080p max size for screen - High-Def Digest Forums
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Old 11-15-2007, 06:30 PM
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Default 1080p max size for screen

does anyone know what the largest size screen you can have with 1080p before you can start seeing the difference.

I ask because someone told me that a screen size of 32 inches does not need 1080p because you can't tell the difference from 1080i, so I was wondering how big a screen would you start losing definition at 1080p.

if a movie theater projected a 1080p source on a movie screen how would it look? if this has been talked about before excuse the post.

I guess I am curious because if I ever get a chance to own and build a house I would do so with having a hd projection room with a very large wall. thanks in advance
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Old 11-15-2007, 06:49 PM
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Well, the 40+ inch screens at Best Buy, Circuit City, etc. are definitely big enough to notice issues. Granted, the 1080i pumping through them is usually not consistent. One second it'll look great, the next it's pixelated. It's not as good as a HD movie source, which is usually way more consistent. I have a 23 inch monitor at the moment and 1080i looks great.
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Old 11-15-2007, 07:14 PM
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I havent noticed too many problems with my 61".
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Old 11-15-2007, 07:32 PM
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I've read your set needs to be 60 inches or more to tell a difference.
I'm sure it varies some, but this is the standard figure I have seen many times.
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Old 11-15-2007, 07:55 PM
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kind of rehashing some of the above... the quality of the source material is definitely a factor.... e.g. on Comcast cable, sometimes it seems like there is less pixelation on On Demand HD shows in 1080i when compared to the same show when it was broadcast, possibly because of a higher bitrate, but I don't really know without being able to measure that...

Another important factor is how well the television deinterlaces a 1080i signal... all LCDs and plasmas display progressively, so no matter if the input is 1080i or 1080p, what you see is displayed in 1080p...

personally I cannot tell a difference on my 46" LCD...
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Old 11-15-2007, 08:11 PM
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sorry if I'm mistaken...
but the original question is asking...how big does a screen have to be for 1080p to lose it's effect?
like how 1080i looks fine for 50" and under (so I read)...but 50" and up you can see the 1080p difference...
hence...if a screen was 7 feet...would 1080p look like 720p does on a 50" and under hdtv?

if so, I am tripping out because that's what I was asking myself when I went to the movie theatre...
personally..I find my 720p 52" looks crisper than most movie theatre movies...but again...is there such thing as HD movie theatres...you know on 50 feet screens?
is the resolution for those LARGE FEET screens like 100800p? for them to be true hd?
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Old 11-15-2007, 10:04 PM
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I could try to explain it, but this link does everything much better..

http://www.carltonbale.com/2006/11/1080p-does-matter/
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Old 11-15-2007, 11:30 PM
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With my Z5, 100" Screen with a viewing distance of 12 feet, 720p does look down right amazing and sharp. However, once you get about 7 feet away from the screen you can notice the 'screen door'. A 1080p projector will make that obselete, and I will probably upsize within the next 3 years or so.
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Old 11-16-2007, 01:35 AM
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now I'm curious...
does anyone know what resolution AMC/ Cineplex 50 Feet movie screens are on?
are those 720p? 480p? 1080p!~?
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Old 11-16-2007, 01:48 AM
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My 42in 1080i plasma looks awesome. I wouldnt mind a 1080p but the clarity would probably not be noticable.
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