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Reference |
Input channel number (1 or 2) to use for the AEC reference signal. This is the signal from the far end (microphone). |
Input |
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Mute |
Mutes the channel. |
Phantom |
Enables the phantom power feature which supplies power to a microphone via the audio cables attached to the device. This feature is used for condenser microphones. |
Gain |
Sets the amount of amplification or attenuation to be applied to the signal. The valid range is -65dBu to +20dBu. |
Coarse Gain |
Allows gain adjustment in steps. Settings are 0dB, 25dB and 55dB. |
AEC Enable |
Switches on echo cancellation for the channel. |
AEC Level |
Can be set to None (off), Soft, Medium or Aggressive to control the speed of convergence. Tip: We recommend that you test out these options carefully when configuring your system to see which gives the best performance. |
NC Enable |
Enables noise cancellation. |
NC Level |
Noise cancellation level. Settings are 0dB, -6dB, -9dB and -12dB. |
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See also Slot x: 4 Channel Line Input (black) Slot x: 4 Channel Mic Input (green) |