APPEAR AS Confidential 251/352
The output page for a PIP service is different to a normal input as transcoding is not allowed and descrambling is
not necessary.
9.3.6 VIDEO EXTENDED, MPEG-2 AND H.264 PARAMETERS
Please see the Encoder and Transcoder Configuration Guide for more details on these parameters.
9.3.7 AUDIO CONFIGURATION
Audio transcoding capabilities and capacity are restricted by hardware and licensing. Depending upon hardware
the transcoder support one or more of the following audio encoding formats
• MPEG-1 layer 2 encoding
• AAC-LC, HE-AACv1 and HE-AACv2 encoding
• Dolby Digital (AC-3) and Dolby Digital Plus (E-AC-3) decoding and pass-through
Please refer to the transcoder datasheet and license information for specifics on what is supported. The following
sections outline the parameters supported for each audio format and how/where these are configured.
9.3.7.1 Audio Support (TC-100)
The audio transcoder can receive MPEG-1/AAC –LC/AAC-HE compressed audio from the transport stream.
Dolby Digital or Dolby Digital Plus components can only be set to pass-through.
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.