Ericsson AVP 1000 1RU, Reference Manual, Page: 238 / 508

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EN/LZT 790 0023/1 R16A
Table 5.27 Audio Component Parameters
Parameter Values Description
PID 32 to 8190 Sets the packet identifier associated with the component.
Bit Rate Weighting Fixed
Specifies the weight associated to the component in the
Bit Rate Tracking algorithm. For audio stream, this is Fixed
and read only.
Exclude from PMT False
If set to True, this component will not be referenced in the
PMT, and its bit rate is excluded from bit rate calculations.
Source PID Monitoring None; Monitor; Monitor & Redundancy
Priority 1 ETR290 monitoring on this PID from an IP input
can be enabled, and can be set to cause a redundancy
switch to a spare device if in a system controlled by
Ericsson control software. Not supported in this release.
Dolby Metadata Presets
Four custom Dolby Metadata Presets can be configured in the Advanced Setup tab of the
Device Configuration page. To set the preset options, in the Advanced Video Processor
Settings drill down to Encoder > Slots > Slot <n> - CE-a >CE-a > Audio Module > Dolby
Metadata Presets, and select the preset you want to modify. Alternatively, the settings can
be reached through the front panel under Advanced/CE-a/Audio Module/Dolby Metadata
Presets. Any of these presets can then be applied to any audio channel encoding audio in
the Dolby Digital format. The table below lists the parameters for each preset.
Table 5.28 Dolby Metadata Preset Parameters
Parameter Values Description
Preset name Name of the preset (for user information)
Dialogue
normalization level
-31 to -1 dB
Used by a decoder to determine the level of adjustment
required to achieve this set level.
Bitstream mode
Main audio service: complete main, music and
effects, Associated service: visually impaired,
Associated service: hearing impaired,
Associated service: dialogue, Associated
service: commentary, Associated service:
emergency, Associated service: visually
impaired, Associated service: karaoke/voiceover
Flags the type of service in the bitstream.
Line mode
compression profile None, Film Standard, Film Light, Music
Standard, Music Light, Speech Alters the dynamic range for line output.
RF mode compression
profile None, Film Standard, Film Light, Music
Standard, Music Light, Speech This alters the dynamic range for RF output. The overall
level is raised by 11 dB.
Center mix level 0.707 (-3.0 dB), 0.595 (-4.5 dB), 0.500 (-6.0 dB) Indicates the downmix level when there is no centre
speaker. This is applied to left and right channels only.
Surround mix level 0.707 (-3.0 dB), 0.500 (-6.0 dB), 0 (-inf dB) Surround downmix level for the front left and right
channels when consumer has no surround speakers.
Dolby Surround mode Not Indicated, Not Encoded, Encoded Flags if a two channel encoded stream contains
information for a Dolby Pro-logic decode (Lt/Rt)
Audio production
information exists Off, On This indicates whether the Mixing Level and Room Type
parameters exist within the bit-stream.
Mixing level 80 to 111 dB Indicates the acoustic sound pressure level of the dialogue
level during the final audio mixing session.