Allen & Heath CQ-20B Ultracompact 20-Channel Digital Mixer (Rackmount/Stagebox) - Manual (Page 67)

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67 User Guide
V1.1.0 Issue 1
AMM (Auto Mic Mixer)
CQ’s Automatic Microphone Mixer uses a gain sharing algorithm, designed for use
in multi-microphone speech applications like conferences, meetings, broadcasting
and podcasts. It can be used on every mono input channel of the CQ with two
banks shown at the top of the page.
The AMM algorithm looks at the incoming signal level, the priority setting and
(optionally) the fader level, then adds gain (level) to any channel in use, while
reducing gain on the other channels. This reduces background noise and the
chance of feedback while improving intelligibility.
In/Out – Switch the whole AMM on or off.
On/Off – Enable or disable AMM on each channel individually.
Priority Faders – Adjust priority of each channel in the calculation.
Follow Fader – When on, the calculation considers the input send level to Main LR.