DTP CrossPoint 4K Series Matrix Switchers • Matrix Software 145
Configure an Automix Group:
A channel must first have an active automix block before it can be included in an automix
group.
1. Insert an AM processing block in the desired channel.
2. Double-click the inserted AM block to open it.
3. Select the group number from a range of 1 through 8.
4. Set the parameters for the channel.
5. Repeat steps 1 through 3 for all channels in the automix group.
6. Open any AM block and click Select AM Group Details to open the automix group
configuration dialog box (see figure 79 on the previous page).
7. Set NOM (the maximum number of gated mics) for the selected group.
8. Test the system and make adjustments as needed.
Make adjustments to individual automix channels in each row of the dialog box by
opening each individually, or globally to all channels using the AM group details page.
Observe the Gate Status indicators to verify that channels gate on properly.
Configuring an Automix Channel
Before configuring automix, Extron recommends that you set proper gain staging for the
input mics. This ensures that adequate signal is provided for automix to work properly.
An automix block is inserted for each microphone, and the mic assigned to a group (see
figure 79 on the previous page). Setting a reasonable NOM, (the maximum number of
gated mics) for the microphone group increases intelligibility by limiting the number of open
mics that are allowed to gate on at once. A NOM of three is recommended.
When a small number of talkers may need priority over other talkers (such as a presenter at
a lectern), chairman mode can be enabled on the priority input channel.
Last mic mode can minimize the frequency of gate changes. This prevents rapid switching
of input mics by, ensuring that a talker is not gated off when their speech is paused.
After the automixer is configured, ensure that you set the appropriate mix-points to include
automixing.
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