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Chapter 9 Essence Marks
9-2 Chapter 9 Essence Marks
9-2-1 Essence Mark Recording
Essence marks contained in SDI input signals and
essence marks generated by this unit can be recorded
to tape together with video signals.
All essence mark data generated by this unit is 7-bit
ASCII codes. The generation period is 1 frame.
Selecting the SDI VANC line into which to
insert essence marks
You can select the SDI signal VANC line into which
essence marks should be inserted. Make this selection
using setup menu item 660 ESSENCE MARK SD
VANC LINE.
See page 12-19 for more information about setup menu item
660.
Note
Essence mark data in the input signal may not be
readable if the line where Essence mark data is
inserted into SDI input signals is the same as the line
where this unit inserts VITC (setup menu item 601
(page 12-16) and setup menu item 602 (page 12-16)),
or if that line is subject to blanking (setup menu item
723 (page 12-24)). In cases like these, change the
setup menu settings.
To avoid the above situation, the following settings are
recommended.
• For setup menu item 660, chose a line that is different
from the lines chosen for setup menu items 601 and
602.
•Do not use setup menu item 723 (page 12-24) to
blank the line chosen for setup menu item 652.
Selecting whether to record essence
marks contained in input video signals
You can select whether or not to record essence mark
data contained in input video signals. Make this
selection using setup menu item 661 ESSENCE
MARK INPUT RECORD.
See page 12-20 for more information about setup menu item
661.
Selecting whether to record generated
essence marks
You can select whether or not to record generated
essence mark data when you record video signals with
this unit. Make this selection using setup menu item
662 ESSENCE MARK SELF RECORD.
See page 12-20 for more information about setup menu item
662.
9-2-2 Essence Mark Output
Essence marks can be output to SDI signals when
playing back a tape. Information such as shot marks
recorded on the tape can also be converted into essence
marks and output.
Selecting whether to output essence
marks
You can select whether or not to output essence marks
when you play back a tape. Make this selection using
setup menu item 657 ESSENCE MARK TAPE
OUTPUT.
See page 12-19 for more information about setup menu item
657.
Outputting shot marks converted into
essence marks
You can select whether or not to convert shot marks
recorded on a tape into essence marks for output when
you play back the tape. Make this selection using setup
menu item 658 SHOT MARK ESSENCE MARK
CONVERT.
See page 12-19 for more information about setup menu item
658.
9-2 Essence Mark Recording and Output