Understanding the bus icons and processing status
Bus icons represent the processing status of a bus as determined by Wwise. The following
table outlines the criteria used to determine the processing status of a bus. In
general, busses are handled as non-mixing unless the processing they would perform
cannot be deferred. This is because non-mixing busses provide a more efficient use
of CPU and memory by propagating their properties to their inputs without performing
any processing.
The effect of processing status on the Profiler views
Non-mixing busses do not appear in the following locations:
The Busses tab of the Advanced Profiler
The Voices Graph tab of the Advanced Profiler
The Audio Object Profiler
Busses that are Mixing, Processing Audio Objects, or Processing
do appear in these locations. This is demonstrated by the following figure.
Notice the Environmental and Environments busses do not appear in the Advanced
Profiler's Busses tab while their child Auxiliary busses env_corridor and
env_small_room do. This is because the Environmental and Environments busses are
non-mixing busses, while their child busses are Processing.
The effect of processing status on the meter
For a non-mixing bus, the meter is not available in the Property Editor's General Settings
tab. You will see a message to this effect (as shown in the following figure).
In the case of a bus that is Mixing, Processing Audio Objects, or Processing,
the meter is displayed.
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