Getting Started
When configured in MPEG-1 Layer II 6 or 8 Channel Aligned Encoding, each pairing
is identified by the use of ISO_639_language descriptors. The languages are
encoded using two language codes per component as follows:
• First instance on Audio Module 1:
- aaa, aab for first dual mono
- aac, aad for second dual mono
- aae, aaf for third dual mono
- aag, aah for fourth dual mono
• Second instance on Audio Module 2:
- bba, bbb for first dual mono
- bbc, bbd for second dual mono
- bbe, bbf for third dual mono
- bbg, bbh for fourth dual mono
When adding PAA to an output Transport Stream service each audio component
that makes up the PAA must be manually added to the service before configuring
the components for PAA.
Configuration
To set up PAA or dual PAA audio streams for a service on the Service
Configuration page, proceed as follows:
Note: This procedure assumes that a service has already been created. If not, one
must be created before continuing. See section 3.25.3.
1. In the Inputs widget, select Audio 1- Audio 3 (for 6 channel aligned) or Audio 1
- Audio 4 (for 8 channel aligned) by first selecting Audio 1, holding down the
Shift key, then clicking on Audio 3 (for 6 channel aligned) or Audio 4 (for 8
channel aligned).
2. Drag the selected components to a service in the Outputs widget.
3. If you are setting up dual PAA encoding, repeat steps 1-2 for Audio 9 - Audio
11 (for 6 channel aligned) or Audio 9 - Audio 12 (for 8 channel aligned).
4. In the Outputs widget, click on the audio component corresponding to Audio 1.
Note: If you click on Audio Stream 1 in the Inputs widget, the corresponding
audio stream will be highlighted in grey in the Outputs widget.
5. In the Properties widget, click on the Input tab.
6. Set the Input Format to Uncompressed LPCM.
7. Set the Input Source to Embedded 1 (SDI 1).
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