Audio Encoding
The following parameters are available on the Encode tab of the Properties widget on the
Service Configuration page when an audio component is selected in the Outputs widget.
The same parameters can be accessed through the Advanced/CE-x Analogue/Audio
Module/Audio <n>/Encode menu on the front panel.
Table 5.76 Audio Encoding Standards
Parameter Options Description
Coding Standard
MPEG Layer 2
MPEG Layer 2 Encode(More than two channel pairs
require the /SWO/M1L2 license)
Dolby Digital
Dolby Digital encode, requires CE/SWO/DOLBYAC3
license.
AAC-LC AAC-LC encoding, requires CE/SWO/AAC license.
HE-AAC
HE-AAC or HE-AAC v2encoding requires CE/SWO/AAC
license.
Pass-thru Pass-thru of the input
Audio Description Service
MPEG-1 Layer II encode of a mono audio track that
describes action in the video plus a control track.
Table 5.77 MPEG Layer 2 Parameters
Parameter Values Description
Bit rate
32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224,
256, 320, 384
Bit Rate of the audio stream
Coding Mode
1/0 (Left - input), 1/0 (Right - input), 1/0 (L+R)/2,
1+1 (L/Ch1, R/Ch2), 2/0, 2/0 (Joint), Phase
Aligned Audio (6 Cannels), Phase Aligned Audio
(8 Cannels)
Specifies what channel configuration to use for encoding..
Embedded PCR On, Off
Controls whether PCR is to be embedded in the audio
PES.
Au Information Cont Off, AU Info
Controls the insertion of private data in the adaptation unit
of the audio access units (AU). AU Info is defined in ETSI
TR 101 154. Only AU_PTS is present for audio
Advanced
Lip Sync Offset -500 to 500 ms
Configures a delay to the audio to improve A/V
synchronization.
Gain -6 to 6dB Sets the gain in dB for the audio stream.
Language
The language of the stream when not in dual mono (1+1)
mode.
Language (Left)
The language of the left channel when in dual mono (1+1)
mode.
Language (Right)
The language of the right channel when in dual mono
(1+1) mode.
User Language 1
A custom three-character language code when User
Language 1 is set in any of the language fields.
User Language 2
A custom three-character language code when User
Language 2 is set in any of the language fields.
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