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Posted by SFTVratings on 04/10/07 13:33
moviePig wrote:
> On Apr 9, 2:01 pm, "SFTVratings" <SFTVratings_t...@yahoo.com> wrote:
> > Horizontal Resolution (per picture height)
> >
> > Standard 4:3 ratio:
> > -------------------
> > 240 standard VHS or Betamax
> > 330 cable tv
> > 400 S-VHS or laserdisc
> > 540 DVD
> >
> > 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):
405 across - DVD
720 across - HD
1080 across - HD
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