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Sony DCX-930 - Page 53

Sony DCX-930
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Appendices
Glossary
(Rg
ST
a
a
EN
eM
|
Horizontal
resolution
The
capability
of
a
camera
to
resolve
detail
in
a
horizontal!
direction.
It
is
usually
expressed
as
the
number
of
vertical
lines
which
can
be
distinguished
on
the
monitor
screen
when
shooting
a
test
chart.
Iris
A
diaphragm
which
controls
the
amount
of
light
passing
through
the
lens.
Pedestal
level
Reference
video
level.
Since
signals
close
to
the
reference
black
level
of
the
video
signal
contain
noise,
the
pedestal
level
is
set
at
about
10%
above
the
blanking
level.
Shutter
speed
The
length
of
time
a
shutter
remains
open.
The
faster
the
shutter
speed,
the
less
the
shot
image
blurs
but
the
darker
it
looks.
A-6(E)
|
Appendices
Glossary
Subcarrier
The
color
information
signal
contained
in
a
video
signal.
Its
phase
is
for
hue
and
its
amplitude,
color
saturation.
VBS
Abbreviation
of
Video,
Burst
and
Sync.
A
composite
signal
consisting
of
video
signal,
burst
signal
and
sync
signal.
Video
gain
Amount
of
amplification
for
video
signals,
expressed
in
decibels
(dB).
White
balancing
In
the
light
of
a
particular
color
temperature,
to
adjust
the
white
levels
of
the
R,
G
and
B
signals
of
a
video
camera
so
that
any
white
subject
shot
in
that
light
is
reproduced
as
a
truly
white
image.
See
“Color
temperature.’

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