On 8/04/2010 12:21 AM, William Sommerwerck wrote:
Yes -- a lack of consistency. That was not the fault
of NTSC, but of the broadcasters.

I have to wonder what the broadcasters were doing to achieve
that. Contriving to get the colour burst phase consistent amongst
cameras in a studio (so that the tint stayed the same for a show),
but inconsistent with the actual colour subcarrier, would take
some doing.

There is no subcarrier or burst signal in the cameras. They aren't needed at
that point, and are added during the encoding process.

Ok, so the separate colour signals (and luminance?) are sent from the
cameras. Still, at some point the colour signals have to be encoded
using the colour subcarrier, and a bit of the latter has to be included
as the burst. Failing to keep them in phase would require a considerable
amount of indifference.

Which I think you've also said



Setting them up is another matter. The early episodes of "Barney Miller"
provide a good example of poor setup, with inconsistent color, and poor
convergence.


Poor convergence? The mind boggles.

Sylvia.