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Subject: Re: [AE] Photoshop CS6 Issues
From: Chris Meyer <chris@crishdesign.com>
In-Reply-To: <list-4781403@media-motion.tv>
Date: Fri, 20 Jul 2012 16:54:07 -0600
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References: <list-4781403@media-motion.tv>
To: "After Effects Mail List" <AE-List@media-motion.tv>

On Jul 20, 2012, at 1:47 PM, Jim Curtis wrote:

> Why are we arguing about this?  I thought we settled this question ten =
years ago.

It was. But I'm concerned you (or others under the impression "72 dpi" =
has anything to do with video) didn't get the right memo.

> Have you researched consumer HDTVs lately?  There are two other =
another scaling factors: Dot Pitch and Pixel Pitch.

Viewing is a different discussion.

When you are prepping images for use in AE, FCP, et al (regardless of =
how the image will ultimately be viewed), the only "resolution" number =
they're looking at is the number of pixels. Therefore, I think it most =
efficient to be focusing on that number, rather than indirect ways of =
deriving it such as altering the DPI with resampling turned on. That's =
the only point I was trying to reach. If you still disagree, you may do =
so - or you can run some tests where you have one batch of images with =
the same number of pixels and different DPI, and another batch with the =
same DPI but different numbers of pixels, and see how they are handled =
by your video apps.

BTW, there was a slight misstatement in my earlier post; the magical 72 =
DPI number is both related to early displays, as well as the 72 points =
per inch traditionally used by typesetters. Which is another fine reason =
to use it for video (smile).

signing off from this thread -
Chris