I've lost a lot of my papers concerning digital TV in Hurricane Charley. Some years ago IBM did RGB using different numbers of bits resolution for the three additive primaries. This might have been based on the greater contribution of G to Y. Al Limberg ---------------------------------------------------------------------- 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.