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<DIV>RCA used direct color for the recording. Nothing was done to the
signal. It was recorded at full bandwidth to the tape.</DIV>
<DIV> </DIV>
<DIV>The playback was where the interesting process took place. The color
was separated from the base band. Then in a heterodyne process, the color
was stabilized back to 3.58. The jitter was removed and then the two were
put back together. The result was a viewable signal but the color was no
longer locked to the video. Thus it could not be mixed with another signal
or much of anything else. This process worked without the servo being
locked to either vertical or horizontal. That was a unique way to do
it.</DIV>
<DIV> </DIV>
<DIV>As a side point, if you ever wondered what the "Non Standard" position on
the Colortec was used for, it was used to play back a tape that was copied from
a machine that used the RCA method to stabilize the color.</DIV>
<DIV> </DIV>
<DIV>Chris Hill</DIV></FONT></BODY></HTML>