Audio Group Selection Cluster - GRASS VALLEY Maestro Installation And Service Manual

Section 7 — Operation

Audio Group Selection Cluster

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Note In version 1.5 and earlier, the Clean Feed signal is identical with the program
output and contains no audio overs . As documented on
1.5.1 includes the ability to mix audio overs to the clean feed output
When the soft button is selected, the Off Air Input monitor point is
Off Air
selected. The Off Air input is a dedicated rear panel input on the Maestro
Processor and has only eight channels arranged in four AES pairs. Nor-
mally, the eight channels follow the same audio group assignments as the
first eight channels defined in the Audio Output table.
Mix 1
When the soft button is selected, the source assigned to the first
Mix 1
button located to the right of the VGA display is selected and displayed,
and monitored (counting left-to-right).
Pressing the soft button a second time will display Mix 1/(PGM). In
Mix 1
this mode the program bus is monitored, with the mix-over ratio appearing
on the left-most position along the bottom of the VGA display. The control
allows the user to adjust the mix-over ratio while monitoring the actual mix
on the Program bus. This is normally not done as it is preferred to make
level adjustments on Preset and transition the mix to Program.
Pressing the soft button a third time will display Mix 1/(PST). In this
Mix 1
mode the Preset bus is monitored, with the mix-over ratio appearing on the
left-most position along the bottom of the VGA display. The control allows
the user to adjust the mix-over ratio while monitoring the actual mix on the
Preset bus.
Mix 2 / Mix 3 / Mix 4
These buttons operate the same as the
The eight soft buttons on the right side of the VGA display are used to select
the audio group being monitored, controlled and metered.
Note Audio groups throughout this discussion refer to user-defined audio channel
groupings and not AES or embedded audio groups. User-defined groups are
sets of audio channels that are logically grouped and adjusted together.
Examples are mono channels (single audio channel, stereo pairs (two audio
channels) Dolby 5.1 surround (six audio channels), etc.
The source of the group names is the Group Name column of the Audio
Output table (see page 156).There can be anywhere from 1 to 16 different
audio groups in a Maestro system. Only one audio group at a time can be
selected. If more than six audio groups are defined, then the bottom-most
button provides page switching.
page 334, version
button described above.
Mix 1
Maestro User Manual
Mix