Cobalt Digital COMPASS 9223 Dual-Channel 3G_HD_SD MPEG-4 Encoder User Manual
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9223-OM (V2.0)
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Group, Channels: SDI embedded audio is typically divided into four groups (denoted by
Group 1 to Group 4); each group has four mono channels (2 stereo pairs), denoted by
Channels 1-2 and 3-4. These controls allow the selection of the desired group and
channel pair. In the large majority of the cases, the first stereo pair is in Group 1,
Channels 1-2, the second stereo pair is in Group 1, Channels 3-4, and so on. The Group
selection has one additional choice, labeled Custom DID. This allows the encoder to use
a non-standard embedded audio DID (this quite uncommon). If Custom DID is selected,
a new configuration option becomes available, where the DID can be entered:
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