Cisco D9054 Installation And Operation Manual page 145

Setting Up the Dolby Digital Processing,
11. Select to enable or disable the Surround Channel Attenuation. Select On to
apply a -3dB attenuation to the Surround Channel. This is useful when
converting a film soundtrack for home theatre playback.
12. Select the Reversion Mode used if the Metadata is missing. Select Revert to
Internal to override the parameter settings contained in the Metadata stream
with the user defined parameters above. Local settings are copied to the
Metadata structures if the event metadata is enabled but not present. Select
Hold Last State to disable the reversion.
13. Select the Metadata's Source Type (Internal, Digital, or Dolby-E Decoder).
Note: This is only applicable for Ch 1 and Ch 4.
Note: Selecting Digital or Dolby-E Decoder will make internal encoding
unavailable on Ch 2 and 3 or Ch 4 and 5.
14. If Digital was selected as the source type above, select the Digital Input (AES1
to AES4).
15. Select a Metadata Program Number to use (1 to 8).
16. Select Copyright if you want to signal that the encoded bit stream is protected
by copyright. The default is selected.
17. Select Original if you want to signal that the encoded bit stream is an original.
The default is selected.
18. Click Apply.
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