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When to Use the Channel and Automix Equalizers
Apply Automix EQ to make system-wide changes, such as a treble boost to improve speech clarity. Use Channel
EQ to make adjustments to a specific channel. For example, to reduce unwanted noise picked up by only one
channel.
Equalizer Applications
Conferencing room acoustics vary based on room size, shape, and construction materials. Use the guidelines in
following table.
EQ Application Suggested Settings
Treble boost for improved speech intelligibility Add a high shelf filter to boost frequencies greater
than 1 kHz by 3-6 dB
HVAC noise reduction Add a low cut filter to attenuate frequencies below 200
Hz
Reduce flutter echoes and sibilance Identify the specific frequency range that "excites" the
room:
1. Set a narrow Q value
2. Increase the gain to between +10 and +15 dB, and
then experiment with frequencies between 1 kHz
and 6 kHz to pinpoint the range of flutter echoes or
sibilance
3. Reduce the gain at the identified frequency (start
between -3 and -6 dB) to minimize the unwanted
room sound
Reduce hollow, resonant room sound Identify the specific frequency range that "excites" the
room:
1. Set a narrow Q value
2. Increase the gain to between +10 and +15 dB, and
then experiment with frequencies between 300 Hz
and 900 Hz to pinpoint the resonant frequency
3. Reduce the gain at the identified frequency (start
between -3 and -6 dB) to minimize the unwanted
room sound
Automix Channel
This channel automatically mixes the audio from all channels to deliver a convenient, single output. The automix
channel must be routed in Dante Controller to the desired output.
Note: Automix is disabled when using the toroid polar pattern. Inversely, the toroid pattern cannot be selected
when automix is enabled.
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