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These links might be helpful if you are comparing viewing distance and
screen size<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.carltonbale.com/2006/11/1080p-does-matter/">http://www.carltonbale.com/2006/11/1080p-does-matter/</a><br>
<a class="moz-txt-link-freetext" href="http://www.carltonbale.com/home-theater/home-theater-calculator/">http://www.carltonbale.com/home-theater/home-theater-calculator/</a><br>
<br>
The second link has an xls file which is good for playing with viewing
distances.<br>
<br>
<br>
<br>
Dean<br>
<br>
Steve Hodge wrote:
<blockquote
cite="mid:24b589d90807271640k1679734nfe6b706fba027ade@mail.gmail.com"
type="cite">
<div dir="ltr">On Mon, Jul 28, 2008 at 11:05 AM, Steven Ellis <<a
moz-do-not-send="true" href="mailto:steven@openmedia.co.nz">steven@openmedia.co.nz</a>>
wrote:<br>
<div class="gmail_quote">
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">Rick Hudson wrote:<br>
> On 27/07/2008 5:46 p.m., Phill Coxon wrote:<br>
>> There's a 42" LG with 1080P,<br>
><br>
> 1080p on a 1.1m screen? I keep reading that from, say, 3m away you
can't see<br>
> the difference between 720p and 1080p on a screen that size.</div>
</blockquote>
<div><br>
By my calculations 1080p would be about
110 pixels per degree at 3m/10ft, or 0.54 arc minutes per pixel. 720p
would be about 74 pixels per degree = 0.8 arc minutes per pixel. From
what I've read good human vision can resolve about 0.3 arc minutes per
pixel so the difference between 1080p and 720p is definitely noticeable
at that distance.<br>
</div>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d"> Does anyone have<br>
> experience to the contrary? In my experience 1080p does not
noticably differ<br>
> from 720p at 3m away until the screen is over 2m.<br>
><br>
> I would suggest increasing your minimum size to 50" before
discarding 720p as<br>
> an option.<br>
><br>
</div>
At 3m I can tell the difference on a 24" screen, so it all depends how<br>
much you notice this, and how good the source material is.<br>
<br>
</blockquote>
<div>I assume you meant 42" screen? If you can tell the difference on
a 24" screen at 3m I'm very impressed!<br>
<br>
</div>
</div>
Cheers,<br>
Steve<br>
</div>
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