Grass Valley Imagestore 750 v.3.0.1 User Manual
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Imagestore 750
User Manual
Outputs
The output blocks represent the physical outputs and metering of the Imagestore 750. Pins from
input blocks may be routed directly to pins in output blocks, but they are normally routed
through one or more mix blocks.
For the outputs listed, when the audio type is configured to be automatic, the audio type for
each pair will change if an input suddenly switched from data to audio (pass-through).
Audio Mix Blocks
The audio mix blocks define all possible methods for mixing audio sources. The Imagestore 750
supports the following blocks, all of which support mixing of streams up to 48 channels wide:
Block Type
Description
SDI PGM output
Represents the physical program SDI output (having 16 embedded audio
channels). The audio type for each pair can be set to ‘audio’, ‘non-audio’ or
‘automatic’.
SDI PVW output
Represents the physical preview SDI output (having 16 embedded audio
channels). The audio type for each pair can be set to ‘audio’, ‘non-audio’ or
‘automatic’.
SDI CLF output
Represents the physical clean-feed SDI output (having 16 embedded
audio channels). The audio type for each pair can be set to ‘audio’, ‘non-
audio’ or ‘automatic’
SDI MON output
Represents the physical monitor SDI output (having 16 embedded audio
channels). The audio type for each pair can be set to ‘audio’, ‘non-audio’ or
‘automatic’.
Meters
Represents the audio meters (48 channels)
AES output
Represents the 16 AES output pairs (on the AES connector). The audio type
for each pair can be set to ‘audio’, ‘non-audio’ or ‘automatic’.
Table 8-2: Audio Graph - Output blocks
Block Type
Description
Audio AB mixer
Provides A/B mix, A/B cut, and A/B data cut between two input sources.
Audio mix
Provides custom mixing of up to 8 input sources.
Audio description
Allows a background mono commentary track to be mixed with the stereo
background audio for people who are visually impaired. The commentary
track is controlled by an AD control tone. (See
Audio PGM voice-over
Provides a voice-over onto background program audio, ducking the back-
ground appropriately. Gain presets and shuffle presets can be used for the
voice-over input, and fade rates, duck level, and preset levels and the initial
fader position on startup can be set. See
and
Audio PST voice-over
Provides a voice-over on background preset audio, using the settings from
the program voice-over of the same index allowing previewing the armed
state of voice-overs before they are taken to air. Arming and disarming a
PGM voice-over automatically causes a change in the PST voice-over.
Table 8-3: Audio Graph - Mix blocks