Sencore DMG 3200 - Page 203

DMG 3200/3100/3000 – User Manual
Page 203 (306)
Figure 8.19– Audio configuration for transcoder
There are up to 12 MPEG-1 encoders or 4 AAC-LC encoders that can be distributed among the
channels on a module. A mixture of MPEG-1 and AAC encoders are allowed per board. See
table below.
AAC-LC
codec
MPEG-1
codec
Total encoders per card.
0
12
12
1
9
10
2
6
8
3
3
6
4
0
4
Supported transcoding:
• MPEG-1 to MPEG-1
• MPEG-1 to AAC-LC
• AAC(LC/HEv1/HEv2) to MPEG-1
• AAC(LC/HEv1/HEv2) to AAC-LC
The audio transcoder can receive MPEG-1/AAC compressed audio from the transport stream.
The audio source can be any of the available supported audio PID. The various parameters that
are configurable for the codecs are as follows:
Encoder
MPEG-1 layer II
Bitrate
64-384kbps
Channel Mode
• Stereo
• Mono,