Grass Valley AMX-3981 2014 - Manual (Page 81)

GUIDE TO INSTALLATION AND OPERATION
AMX-3981 | 75
Stream Number
Sets the output stream number from 0 to 6.
Bitstream Format
The output mode of the Dolby Digital bit-stream can be set to 32-bit, 16-bit Channel 1 or 16-bit channel 2. The default
setting is 32-bit.The output mode of Dolby Digital Plus is always 32-bit.
Metadata Source
Selects the Metadata Path set up in the Dolby Metadata tab (see section 5.8 beginning on page 37)
Program Select
Selects the Metadata Program used for encoding. Refer to Dolby Metadata tab to access settings.
[Program 1, Program 2, Program 3, Program 4, Program 5, Program 6, Program 7, Program 8]
Reversion Mode
This parameter specifies the module’s behavior when its selected Metadata Source is lost or corrupted.
[Use last valid Metadata, Stop Encoding]
Encoding Latency
The Dolby Digital and Dolby Digital Plus encoding latency is 187 msec. The encoding latency is automatically
compensated (to avoid lip-sync issues) when the video frame delay (Timing tab) is set to at least seven (7) frames for
59.94 Hz formats and at least six (6) frames for 50 Hz formats.
6.2.3 Status:
Text boxes report current status for Encoder, Metadata bitstream and Coding Mode
Encoder
This box indicates the operational status of the encoder.
Metadata Bitstream
This box indicates the status of the selected Metadata bitstream. The Metadata will be reported as invalid if it
contains missing and/or invalid parameters or erroneous segment checksums.
Coding Mode
This box indicates the Coding Mode parameter in the selected Metadata bitstream.