Grass Valley DAP-1781 - Manual (Page 33)

GUIDE TO INSTALLATION AND OPERATION
DAP-1781 | 33
The Dolby Digital section is available only if the input bit stream is Dolby Digital, and the Detection Mode is
Dolby Digital or Auto.
The Stream Select parameter selects the stream number to be decoded when multiple Dolby Digital bit
streams are embedded within a single AES pair.
The AES Channel Select parameter selects which AES3 channel is the source of the Dolby Digital decoder if
the Dolby Digital data is configured in Professional 16-bit format. If the selected channel does not contain a
valid Dolby Digital bit stream, the channel data will be passed to the decoder output as a PCM signal.
The Listening Mode parameter selects the main channel output listening mode, it is active only for a Dolby
Digital input signal. The Full mode is the standard one.
Monitoring in 3 Stereo mode reproduces only the left, right and center channels, the surround channels are
muted. In Phantom mode, the center channel output is muted. The Stereo mode will output only on the left
and right channels, and the Mono mode only on center channel.
• Refer to appendix A at the end of this document: Dolby Digital Main Channel Output Functions.
4.3.1.2 Dolby-E sub-tab
The Dolby-E tab indicates status information for the
selected Dolby-E bit stream.
The Dolby-E Common Status section shows two
values that are common to all programs contained
in the Dolby-E bit stream: Program Configuration
and Frame Rate.
The Decoder to Proc Channel Assignment
section gives the decoder output mapping to the
internal channels of the DAP-1781.
• The Main Output sub-section shows channel
assignments related to the Program
Configuration.
The Prg 1 to Prg 8 sub-tabs indicates Metadata
informations proper to each Dolby-E program:
Coding Mode, Bitstream Mode, Dialnorm (dialog
normalization) value, Line Mode Profile, RF Mode
Profile, Dolby Surround Mode, Surround EX
Mode and Preferred Stereo Downmix. The
number of programs depends on the Program
Configuration.