Thursday, October 7, 2021

Re: [Avid-L2] Europe here calling: p50 -> p25 - i25

[Edited Message Follows]

Here we go.  From an old Tektronix hand out.  NTSC starts field one on a full line so it is even lower field first:



Pal starts on a half line field one so its odd upper field first:



Since DV lops off 3 lines top and bottom is is odd upper field first.  Thanks for inspiring me to review.  I still don't understand why the starting on a full line is called "even" and starting on a half line is called "odd"  I'm assuming the "lower" means the trace line is lower on the crt/screen for the full line and then the half line start is "upper" because it is over the the field one full traced line at that point.  All I need is sync generator with a V1 pulse and SCH meter that will understand it to get the whole world in sync.  ;-)
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