* * * This message was from Josh Hill to rec.arts.sf.tv.babylon5.m * * *
         * * * and has been forwarded to you by Lord Time * * *         
            -----------------------------------------------             

{at}MSGID: 
{at}REPLY:
Josh Hill wrote:
>
>> -- the current effects are 3 x 4 525 line, which  doesn't allow for either.
>
>Actually 4:3 and 480 (interlaced) lines.   Aspect ratios are always
>expressed *as* ratios (":" not "x") and the width
is always given
>first.  A 3:4 screen would have a very different shape than a 4:3 one.
>This becomes important when comparing different aspect ratios,
>especially between TV, where the terms 4:3 and 16:9 tend to be used a
>lot, and film, where the second value in all ratios is "1".  (As in
>2.60:1, 2.35:1, 1.85:1, 1.66:1 - it is easy in all cases to understand
>how wide each is in relation to the others.  4:3 and 16:9 are,
>respectively, about 1.33:1 and 1.78:1
>
>And while an NTSC broadcast signal is made up of 525 horizontal lines,
>the number actually devoted to the image is 480.  Other data including
>closed captioning information is carried in the remaining lines.

Heh, yes, I know. 483 lines, actually, for a 21-line VBI. I expressed
the numbers as I did because I thought it would be clearer for a
non-technical reader.

-- 
Josh

[Truly] I say to you, [...] angel [...] power will be able to see that [...]
these to whom [...] holy generations [...]. After Jesus said this, he departed.

- The Gospel of Judas
                                                                           
             
--- SBBSecho 2.11-Win32