Craig wrote: > > There is another difference between PAL and NTSC that makes a > noticeable difference in picture quality. With PAL the color > difference signals have equal bandwidth (about 1.5 MHz). With NTSC > the I color difference signal is 1.5 MHz but the Q (primarily blue) > is only 0.5 MHz. The result is that there is less color detail in > blue and typically significant noise. > > If you want to reduce this noise while watching an NTSC display, put > on a pair of "blue blocker" sunglasses. You'll be amazed at how much > better the picture looks. This is because many NTSC TV sets demodulate R-Y and B-Y, rather than I and Q as originally intended. The fault is not in the system, but rather in the cheapening up of receivers. Al ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.