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DEVICE PARAMETERS
© Polycom, Inc. 13 Conference Composer User Guide
A
UTOMIXER
Each Vortex has two automixers that can be controlled: Automixer 1 and Automixer
2. The controls for the two automixers are shown in Figure 10. For most applica-
tions, the user will choose a single automixer. However if the Vortex is split to oper-
ate in two independent rooms, the second automixer should be used. The H
OLD
T
IME
,
D
ECAY
T
IME
, and C
AMERA
T
HRESHOLD
T
IME
is specified globally for each of the
automixers.
The C
AMERA
T
HRESHOLD
T
IME
is the amount of time a microphone must be gated on
before a Camera Gating Indicator is sent to a control system, possibly for camera
positioning. Please note that the automixers do not sum the gated inputs together, the
summing is performed in the matrix - the automixer makes gating and level decisions
and sends that information to the matrix.
The L
OCAL
M
AX
NOM can be set to limit the maximum number of open micro-
phones that can be open at a given time on the local Vortex. In single Vortex applica-
tions, this is the only control required to limit the number of open microphones.
When multiple Vortexes are linked together, the G
LOBAL
M
AX
NOM can be used to
limit the maximim number of open microphones that can be opened across all linked
Vortexes. Unless you want to specifically limit the number of microphones in a par-
ticular Vortex when using G
LOBAL
M
AX
NOM then you should leave the L
OCAL
Figure 10. Automixer controls on the Automixer Page.