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Loudness Configuration Tab
The Loudness Configuration tab allows you to make settings which will determine
how Loudness is to be calculated on the Loudness Meter. This tab is shown in
Figure 4-9.
iAM-SUM
The following settings can be made on this tab:
1. Loudness Standard: This is the loudness standard by which the loudness
calculation is made.
2. Reference Level: This is the set point in the loudness measurement about
which the determination is made as to whether an alarm should be displayed.
3. LRA Window: This is a moving window of time over which the loudness
measurement is made.
4. Default Cluster: When a Metering Screen is entered, this is the number of
the cluster that will initially be monitored for Loudness.
5. Alarm:
a. Over: The Alarm indication will only appear when Loudness has
exceeded the Reference Level by the Tolerance amount.
b. Under: The Alarm indication will only appear when Loudness is below
the Reference Level by the Tolerance amount.
c. Both: The Alarm indication will only appear when Loudness has
exceeded or is below the Reference Level by the Tolerance amount.
d. Off: The Alarm indication will not appear.
6. Alarm Tolerance: This is the range over which a normal loudness indication
is given. Above or below this range will result in color changes in the graph.
7. Loudness Window: This may be set to Momentary, Short, or one of 22
values, ranging from one second to two hours.
8. Monitoring Mode:
iAM-SUM
Figure 4–9: Loudness Configuration Tab
System Audio Clock Reference
Loudness Configuration
Front Panel Configuration
Page 61
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