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VIDEO DELAY
00 FIELDS
WHITE FLAG
WHITE FLAG OFF
WHITE FLAG ON
WHITE FLAG LINES
START
END
10
20
OPERATION
3.5.5
Compensating for Video path Delays between the telecine and
the 4025TR
Use the Telecine Setup screen to set the Video Delay.
VIDEO DELAY
4025TR input video out of sync with the biphase and Frame
pulse inputs. Delay compensations affect the VITC, LTC and
Character Generator outputs. These delays can occur through
the use of devices such as noise reducers and encoders. Press
the $ & % keys to change the value. Selecting 00 fields turns
off the video delay compensation. The 4025TR is generally
capable of ignoring small cumulative delays on the order of
several video lines.
3.5.6
Setting up the White Flag Generator
Use the Outputs tab of the Configuration screen to set up the White Flag
generator.
WHITE FLAG Is used to enable or disable the White flag generator. When
film material is transferred to video disc, the relationship of the
video frames and picture frames is very important. If the video
disc's frames do not correspond exactly to the picture content
(i.e., film frames) then some pictures will flicker when viewed in
still. With WHITE FLAG ON, a white level pulse is inserted in
the first video field of each new picture.
transferred to disc, disc recorder uses this pulse to match the
disc frames to the 2/3 pulldown. Still playback of all pictures on
the disk is jitter-free. Select WHITE FLAG OFF to disable the
white flag generator.
WHITE FLAG LINES Is used to set the lines that the White Flag will be
recorded on. Use the " & # keys to select the Start or Ending
line. Use the $ & % keys to select the line number. The
normal location of the white flag is on the 1st field of each new
film frame, on line number 11. Consult the operating manual for
your disc recorder to make sure that you are using the correct
line(s) for the white flag pulse.
Model 4025TR Film Footage Encoder Manual
Is used to adjust for whole field delays, which put the
As material is
Page 3-26
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