Noise Floor Optimization
Dolby
®
CP750 Digital Cinema Processor Manual
53
6.10
Noise Floor Optimization
Noise
Floor
Optimization
calculates
and
utilizes
any
available
leftover
capacity
in
each
channel
to
improve
the
overall
noise
floor
of
the
CP750.
It
operates
by
measuring
the
extent
to
which
the
unit
uses
the
available
headroom
in
the
B
‐
chain,
then
boosts
the
overall
gain
to
use
all
available
headroom.
The
analog
output
level
trims
are
then
reduced
by
the
amount
of
that
boost,
resulting
in
an
optimally
reduced
noise
floor.
This
adjustment
also
factors
in
the
headroom
available
to
the
fader.
Changes
to
the
output
trim
values
are
transparent
to
the
user,
and
no
changes
will
be
seen
in
the
fader
values
in
the
setup
software.
Clipping
may
occur
on
high
level
signals
if
the
fader
is
set
above
7.0.
Summary of Contents for CP750
Page 1: ...Dolby CP750 Digital Cinema Processor Manual Issue 5 Part Number 9110270...
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