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date: Fri, 2 May 2008 19:51:39 +0100,    group: uk.tech.broadcast        back       
Re: "PC World" magazine on TV formats etc.   
Mortimer wrote:
[]
>> Won't they be talking Pixels?
>
> Yes, don't the 720p and 1080p formats have more pixels in the
> horizontal direction as well - so 720p would be (720/576) ^2  (ie
> 1.6) times the number pixels for 768x576 or 720x576 and 1080 will be
> (1080/576) ^2 (ie 3.5).

Hmm, to me "resolution" means in any one dimension - and certainly saying 
1080 images have 5x the resolution of 576 images has an air pf smake oil to 
me.
>
> Are the progressive formats at 25 or 50 frames/sec? Is there another
> factor of 2 to include?

Even if they're 50p, I still hold that's not increased resolution for still 
(or even slowly-moving) images.

Anyway - I certainly seem to have started a thread with this one!
-- 
J. P. Gilliver                  |  Tel. +44 1634 203298

Essex home for sale, £59,950: see http://www.soft255.demon.co.uk/home/
date: Fri, 2 May 2008 19:51:39 +0100   author:   J. P. Gilliver

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