microphone mixing is set to 1, two microphones are speaking at the same time, and the speaker
who speaks louder will preempt the microphone. This parameter, at this time, is to ensure that the
newly preempted microphone does not cause the channel to close when the speech is paused.
Attenuation Amount: The Attenuation fader affects how much all channels are attenuated when
more mics are turned on. According to the NOMG (Number of Open Microphone Gain) law, when
NOM (NOM refers to the number of open microphones at the same time) is doubled, the total gain
will increase by 3dB. If multiple microphones are turned on at the same time, it is easy to cause
acoustic feedback howling or system overload. This parameter reflects the attenuation when both
mics are turned on, and the additional attenuation that will be added for each doubling of the
number of open mics. Generally set to 3db.
Number of Mic Mixes: The maximum number of Mic Mixes is set. That is, if it is set to 2, the sound
of at most two microphones will be output. Even if the sound of more than two microphones
exceeds the noise threshold and is turned on, only two of the microphones will be selected for
mixed output according to the microphone priority.
Noise Threshold: When the microphone volume exceeds this value, the channel is turned on, and if
it is less than this value, the channel is turned off.
（2）Channel parameter
Smart Mix: Automix on/off button, the channel that needs automix should turn on this button. It
can also be turned off and the channel does not need automix. Channels that do not participate in
the automix will be directly superimposed with the output of the automix and then output.
Priority: The high-priority channel takes precedence over the low-priority channel, thereby affecting
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