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Integrate External Audio Sources or Systems

Integrate 4-wire systems

Integrate program audio

Since we most like will have more than one recipient for the program audio, it makes sense to have an extra group for the program audio. If a group doesn't exists yet, we can easily create it.

MCX & MCXD user station

Inject Program Audio Via Line-In

1. Create a group

We must use the Green-GO Control software to create a group for the program audio:

  1. Switch to the groups overview by clicking the Groups header in the tree.
  2. Click the ADD button on the top right.
  3. Configure the group name, ID and color.

The group is available on the device right after we close the dialog with CREATE.

2. Configure the line input

The line input of a MCX rack or MCXD desktop user station only supports the Line In/Out mode. To configure the Line-Input for the program audio channel you must ...

Green-GO Control: Device Line In/Out

  1. Select your MCX rack or MCXD desktop user station in the Devices tree on the left.
  2. Select the Device tab in the navigation bar on the top and look for the Line In/Out card.
  3. Configure the line-input's Destination to the group created above.
  4. Adjust input Gain, Compressor, Gate Threshold, and Gate Hold according to your situational needs.

The same configuration is also possible directly on the devices themselves.

Setup Menu Guide
Setup Menu
└──> Device Settings
    └──> Line In/out
        └──> Input
            ├──> Destination # (1)!
            ├──> Gain # (2)!
            ├──> Compressor # (3)!
            ├──> Gate threshold # (4)!
            └──> Gate hold # (5)!
  1. Defines the destination for the audio signal to be sent.
  2. Controls the gain of the input signal.
  3. A compressor can be enabled to better handle audio signals with a high dynamic range.
  4. The gate threshold defines the threshold that needs to be reached to open the noise-gate.
  5. The gate hold is the attack/release timing of the noise-gate.

3. Assign the program audio group

To receive the line-in audio signal as program audio, each user has to configure the source of his special channel for program audio to the previously configured group.

With the Green-GO Control software we can edit the configuration of multiple users at once:

  1. Switch to the users overview by clicking the Users header in the tree.
  2. Select all users that need to receive the program audio.
  3. Click the details button on the top right to bring up the user view. This allows editing multiple users at once.
  4. Switch to the Settings tab and search for the Spechial Channels card. Here you can select the group created above and configure the volume and a potential ducking of the received program audio.

As with the previous step, this configuration can be done in the setup menu of each device.

Setup Menu Guide
Setup Menu
└──> User
    └──> Special Channels
        └──> Program Audio
            ├──> Group # (1)!
            ├──> Level # (2)!
            ├──> Dim # (3)!
            └──> Pan # (4)!

Analog audio interface (4-wire)

Connect external speakers

Normally the line-output on a MCX rack or MCXD desktop station will only carry the signal of a single configured group. Enabling the option LineOut level in a device's audio profile will route the received audio/channel mix of the device's user to the line-output.

MCX External Speaker To prevent a feedback loop when using an open microphone, the function Speaker Dim can be configured to attenuate the internal and external speaker for the duration.

Warning: If this option is enabled, it will be mixed together with the signal of a configured group of the line-output. It's advised to select the option None under Source while the option LineOut level is used.

Setup Menu Guide
Setup Menu
└──> Device Settings
    └──> Line In/out
        └──> Output
            ├──> Source # (1)!
            ├──> Level # (2)!
            ├──> Loopback # (3)!
            └──> Limiter # (4)!
  1. Defines the Green-GO group that is used as the signal source for the line output.
  2. Controls the level of the output signal.
  3. Defines if the signal of the XLR3 line input should be played back on the line output.
  4. The limiter can be activated to limit the output signal to avoid signal clipping.
Setup Menu
└──> Audio
    └──> Audio Profile 1/2
         ├──> ...
         ├──> Headset Level # (1)!
         ├──> Speaker Level # (2)!
         ├──> Speaker Dim # (3)!
         ├──> LineOut Level # (4)!
         └──> Main Level # (5)!
  1. Controls the volume of the headset output.
  2. Controls the volume of the built-in speaker.
  3. Controls if and how much the speaker should be attenuated when the microphone is active.
  4. Controls the volume of the user-mix on the XLR3 line output.
  5. Controls the volume of the device as a whole.

Written by: Timo Toups
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