Parameter Values Description
Metadata Controls
Coding Mode
Off, On
Override default coding mode with coding mode indicated
in decoder program configuration or live metadata (if
present).
Metadata source type
Embedded/Decoded Auto, Serial Port (Program
1 to 8)
Selects where live metadata comes from.
Metadata override
type
None, All, Compression Profile, Dialogue
Normalization, Comp Profile and Dial Norm
Defines which metadata parameters to override.
Metadata Reversion
Mode
Last Used, Preset
Determines which metadata is used upon loss of live
metadata.
Metadata preset type 1 to 8
Defines which metadata preset to use if Preset is selected
for Metadata Reversion Mode.
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.
User Language 1
A custom three-character language code when User
Language 1 is set in the Language field.
User Language 2
A custom three-character language code when User
Language 2 is set in the Language field.
Table 5.57 AAC-LC Parameters
Parameter Values Description
Bit Rate
32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224,
256, 320, 384, 448, 512
Bit Rate of the audio stream. The available options depend
on the selected coding mode.
Coding Mode 2/0, 3/2L (5.1 Surround) 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
Encapsulation MPEG2 ADTS, MPEG4 LATM/LOAS
Specifies the encapsulation used for transmitting AAC
content. It can be either MPEG-2 Audio Data Transport
Stream or MPEG-4 Low Overhead Audio Stream based on
MPEG-4 Low Overhead Audio Transport Multiplex.
TNS (Temporal Noise
Shaping)
Off, On Turns noise shaping on or off.
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.
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