Posted by SFTVratings_troy on 02/01/07 03:08

David wrote:
> "Andrew Rossmann" <andysnewsreply@no_junk.comcast.net> wrote in message
> news:MPG.202aceb5f9bbf0eb989892@newsgroups.comcast.net...
> > In article <D_6wh.832427$5R2.679581@pd7urf3no>, stuart_miller@shaw.ca
> > says...
> >>
> >> <SFTVratings_troy@yahoo.com> wrote in message
> >> news:1170274597.382084.36170@k78g2000cwa.googlegroups.com...
> >> > For comparison other standards are:
> >> > 240 - VHS (ditto Betamax)
> >> > 330 - NTSC broadcast
> >> > 425 - laserdisc (ditto S-VHS)
> >> > 540 - DVD
>
> Please note that the horizontal resolutions for all of these are not
> expressed in pixels, but expressed in "lines of resolution per picture
> height". ...

"pixels per picture height" would also be a valid expression.

> This is the standard method for defining analog resolutions in the
> 4:3 format. To get to pixels (approximately), these numbers have
> to be multiplied by 1.333.



>From edge-to-edge of screen:
321 - VHS (ditto Betamax)
440 - NTSC broadcast
565 - laserdisc (ditto S-VHS)
720 - DVD

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