AUDIO DISTRIBUTION
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Option Description
Auto-Ducking
Applies a ducking circuit that will temporarily reduce the audio level of the
primary audio source, allowing the assigned secondary source audio to take
focus. This is a feature that is useful for when an audio source only requires
a momentary interruption, such as PA announcements or a doorbell chime.
Another useful function for this would be to connect a voice assistant device,
such as an Amazon Echo, Apple Homepod, or Google Home to a source input
and use this as the secondary audio source that can interrupt a zone’s audio
output whenever the virtual assistant is active, thus allowing for seamless voice
assistant integration into a distributed audio system.
• Enable/Disable: Enables or disables auto-ducking.
• Amount: Set the amount of volume attenuation (dB) to be applied to the
primary audio source when the auto-ducking is triggered/active. Values are
between 0 to 100.
• Attack: Set the time (ms) it takes for the volume of the primary audio source
to reach the target amount of attenuation when auto-ducking is triggered.
The primary audio source volume will be reduced linearly (faded down)
across the entire time value set. Values are between 10 to 500.
• Hold: Set the minimum amount of time (ms) that the assigned secondary
source needs to be inactive for auto-ducking to release the primary audio
source. Values are between 10 to 500.
• Release: Set the time (ms) auto-ducking will take to increase the primary
audio source to its original audio level once the assigned secondary source is
inactive. The audio gain of the primary audio source will be linear (faded up)
across the time value set. Values are between 10 to 2000.
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