The duck volume effect, which may also be referred to as side chain compression, is an effect which controls the volume of one group using the volume of another. This is a powerful effect and has many applications in several areas where we want to highlight a specific group without it getting washed out from other competing audio. As this is a specialized effect, we will take a look at the following custom configuration to set this effect up:

1. Open up Unity to the village project and direct your attention to the Audio Mixer window. Select the Music group and click on the Add Effect button. Select the Duck Volume effect from the context menu.
2. Select the Direct group and click on the Add Effect button to open the effect context menu. Then, select the Send effect. Drag the new Send effect above the existing Send and then set the Receive to 'Music\Duck...