4.2.7. Configuring
L oudness
M eters
ITU-‐‑ B S.1770-‐‑ 3
l oudness
m eters
f or
e ach
o utput
a re
p rovided.
M easurements
c an
b e
made
i n
I TU
m ode,
f or
A TSC
A /85
b ased
m easurements,
o r
o ptionally
a s
E BU
R 128
type
m easurements.
T he
E BU
o ption
m ay
b e
r equested
w hen
o rdered
o r
i nstalled
i n
the
f ield
w ith
a
s oftware
k ey.
I TU
o r
E BU
m ode
i s
a
g lobal
s etting
f or
a ll
l oudness
meters
i n
a n
A ERO.10
When
t he
E BU
R -‐‑ 1 28
b ased
m etering
o ption
i s
i nstalled,
t he
m etering
r eference
level
i s
f ixed
a t
-‐‑ 2 3
L UFS
a nd
t he
l oudness
b ar
g raph
m eters
a re
f ixed
a t
R 128
recommended
i ntegration
t imes.
T he
d igital
l oudness
m eter
i s
a n
i ntegrated
m eter
with
r eset
c ontrol.
When
u sing
t he
s tandard
I TU
L oudness
m etering,
t he
i ntegration
t ime
o f
t he
b ar
graph
l oudness
m eters,
t he
d igital
r eadout
m eter
a nd
t he
L KFS
m eter
r eference
level
a re
a ll
s electable.
The
l oudness
m eter
c onfiguration
c ontrols
a re
l ocated
i n:
>
Instance
1
O utput
Figure
2 9:
R TA
M eter
C onfiguration
P anel
>
L oudness
M
eter
46