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Posted by SFTVratings on 04/12/07 13:29
moviePig wrote:
> On Apr 10, 9:33 am, "SFTVratings"
> > >
> > > > Horizontal Resolution (per picture height)
> >
> > > > Widescreen 16:9
> > > > ---------------
> > > > 405 DVD
> > > > 720 HD 720p
> > > > 1080 HD 1080i
> >
> > > Afaics, those are actually *vertical* resolutions...
> >
> > No. If you project the various technologies on a 16:9 screen, and
> > draw a square on the display, those numbers represent how many pixels
> > would fit inside the square (horizontally):
>
> Well, I'm no expert, and I don't doubt that you're getting at
> *something* here, but, e.g.,...
>
> "1080p is the shorthand name for a category of video modes. The
> number 1080 represents 1,080 lines of vertical resolution..."
Correct. VERTICAL resolution. I am not measuring vertical. I am
measuring "horizontal resolution (per picture height)" which is from
left-to-right.
240 for VHS
400 for S-VHS / laserdisc
540 for DVD (4:3)
And so on.
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