1080i/p

[strredwolf]

http://www.audioholics.com/education/display-formats-technology/1080p-and-the-acuity-of-human-vision

It's a "study" of how actually good 1080i/p would be for HD content.  In it, it claims that on average people only can distinquish two dots within 1/30th of a degree in their field of vision.  Any closer and they'll merge in your eye.

Let's do the math here.  If you're 10' away from your TV screen, to see all the lines w/o mental blurring, the distance from line to line would be, um....

10 feet * 12 inches/foot * tan(1/30 degrees) ~~ 0.0698ths of an inch (aprox).  In printing terms, that's 14 dpi and change.  Your screen would need to be roughly 6.25 feet tall -- and in the realm of most projectors (I doubt they make LCD's, plasmas, nor SED's that large for consumers).  Any shorter and it's a bit of a waste.  Further away and you need to make the screen bigger, until you basically need to go to a movie theater.

I think I'll stay at 720...

Comments

[nikkyvix.livejournal.com]

Oh sure, analog is a dead-format-walking. But the article's basis is mainly on visual acuity. HD-marketers tend to forget that you can't see the difference between HD formats if you can't see the difference between HD formats, and always push their strategy with the assumption that every potential buyer has 20/20 vision or better. My visual acuity's not perfect (probably 20/30) , and glasses in a dark movie theater for me means the difference between 'The HD effect' and 'The standard okay-but-not-crisp'. I'm holding off on getting any HDtv 'till I'm sure that the difference between 720p and 1080p isn't just numbers for me, save for the price.

Buyers need to be aware that just because they buy the biggest tv with the highest resolution and bells and whistles, there's no guarantee that they'll get to experience what they pay for.

[nikkyvix.livejournal.com]

Fortunately, the skunk-sponsored trip to Fry's down in Texas over Vixmas holiday has given me a good bit of insight into just where I want to go with HD technology. Love that skunkie. :)