#Addendum: Luma/Chroma
21-May-95 18:37:35
Sb: #Addendum: Luma/Chroma
Fm: Nicholas A. Patrin 74107,1763
To: RAD Moose @ NewTek, Inc. 76004,3350
Chuck, after posting my prior note regarding luma level, chroma level and phase
problems, I did the following:
In Flyer: loaded the ColorBars file into the Proj window and played it: the
amplitudes are a bit better than in the clip I had recorded, but the phase
shift is still about 8 degrees CCW from spec.
Quit Flyer, went into Old Toaster: Original Toaster color bars are a LOT closer
to target phase.
Net: the Flyer outputs colors that are shifted about 8 degrees from spec, for
both the ColorBars file and the clip I recorded. There is about an 8-9 IRE loss
in recorded luma amplitudes (grey, white).
Is AutoCalibrate supposed to deal with such shortfalls? Why is it hanging up?
(4.03, Original Toaster, A2000, 25MHz accelerator).
Regards………..Nick