From: Ciaran Cooney (ciaran.cooney at domain esat.net)
Date: Tue 01 May 2001 - 11:04:32 IST
On Tuesday 01 May 2001 10:51, Jerry Walsh wrote:
> It's half that? you're saying its 25hz and 50hz when interlaced?
> Hertz and frames aren't the same thing - Hertz is per second,
> so if you get a half a frame 25 times per second then you're ending
> up with 12.5 frames a second.
>
> PAL is 50hz, it's based on the hertz of the a/c coming into your house
> which in Ireland is 50hz.
>
> AFAIK some parts of America have PAL at 60hz.
Isnt that NTSC?
C.
>
> Jerry.
>
> At 10:42 01/05/01 +0100, you wrote:
> > > pal is 50hz, 100hz if interlaced.
> >
> >Nope, it's half that. Normal broadcast PAL is 50 half-frames per
> >second, giving a full-screen update rate of 25 frames per second.
> >
> > Colm
> >
> >--
> >Colm Buckley at domain NewWorld Commerce
> >Business: +353 1 4334334 / colm at domain nwcgroup.com / http://www.nwcgroup.com/
> >Personal: +353 87 2469146 / colm at domain tuatha.org / http://www.tuatha.org/~colm/
> >I find your lack of brain... disturbing.
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