AUDIO DISTRIBUTION
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Option Description
Volume
• Max Volume: Set the max allowable volume level (relative) of a zone that can
be achieved via all interfaces and APIs. Volume levels that are attempted to
be set higher than this value will defer to the maximum level set here.
• Mix Volume (dB): Applies a volume reduction for the summed audio when
mixing the primary and secondary sources. This is needed when summing
2 sources that when combined can potentially overdrive the audio volume
output.
Delay
This option will apply an audio delay (ms) on the output stage of the matrix that
is useful to correct synchronization issues that can arise from mixing equipment
in a solution. Audio synchronization issues can occur from audio and video
sources that are processed separately or can be an issue when applying audio to
multiple zones that are intended to work synchronously but destination devices
(e.g. speakers) are located far enough away to suer a delay due to sound travel.
This option can be applied to tune systems for several dierent scenarios as
desired. Values are between 0 – 50.
Audio Test
Various test tones can be enabled per zone that are an excellent tool for uses
such as testing audio connectivity and signal path, setting/adjusting volume
levels, or properly aiming directional speakers, to name a few. The following
noise options are available:
• White Noise: Contains audio noise with an equal amount of audio intensity,
not loudness or energy, across the entire human range of hearing frequency
spectrum.
• Pink Noise: Contains noise with an unequal amount of audio energy with
lower frequencies having a higher intensity due to the reduction of amplitude
that is linearly applied as frequencies increase.
• Gray Noise: Contains noise with a perceived amount of equal loudness
across the frequency spectrum based on the human auditory range, however
this noise is presented as a general approximation and will be perceived
dierently as each person’s hearing ability varies.
• Press the test button to begin emitting the selected noise out of each zone.
Press this button again to discontinue the noise.
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