Hi Pascal.

17-Nov-03 16:49:48, Pascal Schmidt wrote to Jasen Betts


 PS> Hi Jasen! :-)

 PS>>> Like someone posted, the vertical resolution is about half the
 PS>>> number of lines due to the way colors are handled
 JB>> as I recall that remark only applied to SECAM
 PS> Beats me, I thought I saw a "applies to PAL also" in that mail.

 JB>> I'm fairly sure I've seen up round 500 lines on a PAL TV this was
 JB>> interlaced  with a 50Hz vertical rate so horozontal sharp edges
 JB>> didn't look good, given the 25 hz refresh rate... signal source
 JB>> was an Amiga 500.

 PS> Well, I tried digitizing an old VHS PAL tape in different
 PS> resolutions, and going above the 352x264 standard size didn't give
 PS> me extra details. But well, the tape is of course an additional
 PS> element in the mix..

TV stations use beta-cam hardware (or used to) there's probably a reason
for that. otoh the digitiser, or the software, may not be able to correctly
handle interlaced signals.

 -=> Bye <=-

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