7800/7700 MultiFrame Manual
7812UDXD Series 3G/HD Up/Down/Cross Converter with Simultaneous Dual Format Outputs and AES I/O
Page - 118
Revision 1.1.1
There are also two automatic bit-rate configurations. These will automatically adjust the bit-rate
accordingly with the audio configuration of the encoder. The following table shows the bit-rates used for a
specific audio configuration:
3/2
2/2
3/1
2/1
3/0
2/0
1/0
Auto-384
384
320
320
256
256
224
96
Auto-448
448
320
320
256
256
256
96
Table 6-2: Automatic Encoder Bit-rate Selection
6.33.1. Dolby AC3 Encoder
6.33.1.1. Auto Mode Pgm Configuration
This selects the automatic program configuration and audio configuration default. This is only used if
“auto” mode is selected for the metadata source.
A standard default metadata message will be used to encode the selected audio configuration mode.
Program
Config
Channels
ch 1
ch 2
ch 3
ch 4
ch 5
ch 6
3/2L
5.1
L
R
C
LFE
Ls
Rs
3/2
5.0
L
R
C
Ls
Rs
3/1
4.0
L
R
C
S
2/1
3.0
L
R
S
3/0
3.0
L
R
C
2/0
2.0
L
R
1/0
1.0
C
Table 6-3: Channel Mappings and Program Configurations
Channel naming convention L=left R=right C=center S=surround, LFE=low
frequency effects (subwoofer) Ls=left surround, Rs=right surround. Shaded box
indicates channel is not used.