TV VIEWING DISTANCE QUESTION


I am in the market for a new TV and I wish to take advantage of the new 1080P technology. My short list includes the Samsung 5678 (56 inch picture 16/9 measured diagonally). I plan to sit about 11 feet 6 inches from the
TV.
Last night I watched a movie at a friend's house on her new 42 inch Sony Plasma TV and I was sitting about 11 feet
from the TV. Today I had a major headache, sort of the way I feel when I am sitting too close in a movie theatre.
In a movie theater I am comfortable near the back.
My research tells me that to really enjoy high def its best to sit 8-11 feet away and most manufacturers say there is no problem sitting 11 feet away from a 56 inch tv.
Anybody have any experience with this and any suggestions
would be welcome. I currently have a 34inch Sony XBR 16/9 CRT which is great, but I wanted a bigger picture. I would hate to spend $4000 on a 56 inch TV and find that its too much tv for the room. Or could it be that I have a particular personal sensitivity to sitting that close?
kjl
All theory is just theory and is just a guideline but the headache is yours to suffer. You should not force yourself to accept what other people are saying.

Don't feel ashame if you need a couple more feet to feel comfortable and DON'T ask the front row seaters for their advise.

You should make your own judgement by trying at your friends place. The only cost may be just pop corn, pop or wine depanding on the time of visit.

Good luck.
Or you will get used to it. I had 12' distance from a 42" Panny Plasma. At first, I went "Wow" with my head tilted back to increase further distance. Over time, I get used to it. Now I think that it is too small and wish that I had a 50" instead.
I have a 50" Plasma at just over 10 ft. and at first it seemed huge but now we are all used to it and it seems just right. I think 56 would be great at 11'6".
The headaches may not be due to the screen being big. Generally, the headaches are a result of getting used to another stimulus, whether it be the "sudden" change in screen size (going to a much bigger screen or a smaller screen than what you are used to), a brightly lit screen in a dark room (which you might not be used to), or some type of display artifact (plasma, LCD, and DLP each have their own types of artifacts). Sometimes you get acclimated to the change after time, and sometimes you don't (could you ever get used to listening to a "bright" system?).

The "accepted" values ave already been posted. 3:1 for TV viewing, and 2:1 for movie viewing. You could even go a step further and use 1.5:1 for high definition movie viewing (720p, 1080i, 1080p). But 2:1 or 1.85:1 is a nice distance to shoot for with movies.

But I can help but comment on something here. I do see a number of audiophiles seem to take pride in bucking the trend with videophiles and shooting for longer viewing distances and smaller screens, and being proud of that fact. That strikes me as odd. It's almost like a reverse snob thing. But then again one also sees similar parallels with non-audiophiles. One complaint from that side is that audiophiles listen to music "too loud." That's not meant to be overtly conclusive, but rather just a passing observation.

My point of reference.
-In the theater I sit 1.5 times the screen width back from the screen (about row 5 or 6).
-At home, I sit 1.85 times the screen width from a 800x600 front projector
-watching TV at home, I sit about 4:1 viewing distance (bedroom). it was about 3:1 when we had a bigger TV, which was sold for financial reasons.
-I listen to classical music between 60-72dB. And rock 68-76dB.

It really seems odd that a 42 inch at 11 feet, which is over 3.5:1 viewing distance, caused you that much problems. Your 34 inch at 11 feet is about 4.5:1. If anything, I'd think it was due to some other stimulus (alcohol, food, unfamilar setting, poor source material, display or display technology artifacts, too bright, too dark, etc). Or just the fact it was a sudden screen change in side (if that's it, you will get used to it after a while). Or maybe just laugh all the way to bank with a smaller screen. I dunno.

Aaron
About 1.5 screen widths is required to achieve an acceptable sense of immersion. This is no bigger than the subtended field of vision in the farthest seat from the screen within a decent THX certified commercial theater.

I run a 9" CRT projector (no visible projection artifacts) on an 87x49" screen (100" 16:9 diagonal) with seating at 11'. This is small for nice DVD scope transfers, a little large for lower aspect ratios, and the best compromise for a standard screen shape. I'm leaning towards a change to 101x43" constant height.

Also note that it is impossible to visually resolve 1080 line HD sitting beyond 3.3 screen heights (about 1.8 widths).