Audio-Technica ATDM-0604a 6-Channel Digital SmartMixer - Manual (Page 53)

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Key functions
SmartMixer
The SmartMixer function is designed to automatically adjust the audio
input and output of the microphone channel without picking up any
unnecessary noise or allowing howling to occur in meetings where an
unspecified large number of participants speak at the same time. It is
particularly effective in meetings, such as a panel discussion, where
the participants can speak at any given time. The automation of the
otherwise cumbersome fader operation by an operator makes it possible
to have stable and efficient operation. SmartMixer can be either “gate
mode” or “gain sharing mode”.
Gate mode SmartMixer
When there is an audio input to a microphone, the corresponding
channel automatically opens. If more than one microphone receives
audio input, the audio inputs to all open channels are added. Simply
adding the audio inputs tends to lower the howling margin, thereby
reducing the audio quality. To address this issue, the gate mode
SmartMixer attenuates the added audio inputs based on the number of
open mic channels.
Gain sharing mode SmartMixer
This type of SmartMixer compares the audio input level of each mic
channel against the total sum of the audio input levels from all open
mic channels, and, based on the ratio, divides the gain among all the
channels. With this, the total gain always (remains constant), whether
the audio input is from one microphone or multiple microphones.
Setting Gate mode SmartMixer
Configure all settings using Web Remote.
1. Click “Smart Mix”.
2. From “Mode”, select “Gate”.
3. Click “Enabled” for each channel that should operate with the
SmartMixer function.
• Click to turn ON (blue).