Linked by Thom Holwerda on Mon 26th Feb 2007 17:29 UTC
Geeks.com was so kind to send me the Dell w1700, a 17" widescreen multi-purpose monitor (by lack of a better term). It can serve as a television and a computer monitor at the same time, and the amount of connection possibilities is just scary. Read on for a review.
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IIRC PAL is actually clocked at 50Hz interlaced (so is as if it was 25Hz - not all scanlines are drawn each cycle) and NTSC is something like 60Hz interlaced.
PAL has a higher resolution, but suffers from noticable flicker when compared to a US TV.
PAL is actually clocked at 60Hz (interlaced) in Brasil.
PAL I is used in the UK, PAL M moist of Europe. They are not compatible. The sound carrier is not the same and a PAL M broadcast will produce no sound on a PAL I TV.
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What are the main differences between PAL and NTSC?
PAL has a better resolution than NTSC (PAL has more lines). NTSC also has a problem in that it uses 29.97 frames per second, where most (if not all) films are shot in 24 frames (this can be solved with a process called 3:2 pulldown, but it creates problems [1]). PAL uses 25fps, meaning films actually run 4.2% faster on PAL; no additional techniques are needed here.
[1] http://en.wikipedia.org/wiki/Telecine#Telecine_judder